{"id":27167,"date":"2022-08-04T22:59:12","date_gmt":"2022-08-05T06:59:12","guid":{"rendered":"https:\/\/apacsafety.com\/?p=27167"},"modified":"2025-06-17T11:00:36","modified_gmt":"2025-06-17T03:00:36","slug":"difference-between-q235-and-q345","status":"publish","type":"post","link":"https:\/\/apacsafety.com\/es\/difference-between-q235-and-q345\/","title":{"rendered":"\u00bfCu\u00e1l es la diferencia entre el acero Q235 y Q345 y cu\u00e1l deber\u00eda usar para mis proyectos?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"27167\" class=\"elementor elementor-27167\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-01ad8be e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-parent\" data-id=\"01ad8be\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t<div class=\"elementor-element elementor-element-6532e28 e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"6532e28\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac0f4a elementor-widget-mobile__width-initial elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"1ac0f4a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introducci\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a2857cd elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"a2857cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>El acero es un material com\u00fan en la construcci\u00f3n y existen diferentes grados de acero disponibles seg\u00fan el uso previsto. Dos grados comunes de acero son Q235 y Q345. \u00bfCu\u00e1l es la diferencia entre estos dos grados? \u00bfY cu\u00e1l deber\u00eda elegir para su proyecto?<\/p><p>Contin\u00fae leyendo para descubrirlo.<\/p><p><span style=\"color: #000000;\"><strong>Nota de actualizaci\u00f3n:<\/strong> <\/span><\/p><p>De acuerdo con la norma nacional de China \u201cAcero estructural de alta resistencia y baja aleaci\u00f3n\u201d GB\/T1591-2018, a partir del 1 de febrero de 2019, el grado de acero Q345 ha sido reemplazado por Q355, que corresponde al grado de acero S355 de la norma de la UE.<\/p><p>El siguiente texto utiliza Q355 en lugar de Q345.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-16c6596 elementor-widget-mobile__width-initial elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"16c6596\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00bfQu\u00e9 son los aceros Q235 y Q355?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c19023e e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"c19023e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6014723 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"6014723\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En primer lugar, el acero es un tipo de aleaci\u00f3n de metal que se compone principalmente de hierro y carbono. Tiene muchos usos en el mundo, desde autom\u00f3viles hasta edificios. El acero se define por su resistencia y dureza, que pueden variar seg\u00fan la composici\u00f3n de otros elementos que contenga.<\/p><p>Los tipos de acero m\u00e1s comunes se clasifican seg\u00fan su contenido de carbono:<\/p><p>Acero al carbono (0,03% \u2013 1,7% carbono)<\/p><p>\u2013 Acero con bajo contenido de carbono (menos de 0,3% de carbono)<\/p><p>\u2013 Acero de medio carbono (carbono 0,3% \u2013 0,6%)<\/p><p>\u2013 Acero con alto contenido de carbono (m\u00e1s de 0,6% a 1%)<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-85d27e2 external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"85d27e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"799\" height=\"598\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/Steel-345.png\" class=\"attachment-large size-large wp-image-28581\" alt=\"Steel 345\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/Steel-345.png 799w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/Steel-345-300x225.png 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/Steel-345-768x575.png 768w\" sizes=\"(max-width: 799px) 100vw, 799px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-67fb69d e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"67fb69d\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2010817 elementor-widget__width-initial elementor-widget-tablet__width-initial external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"2010817\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"625\" height=\"416\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-raw-material.png\" class=\"attachment-large size-large wp-image-27171\" alt=\"steel raw material\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-raw-material.png 625w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-raw-material-300x200.png 300w\" sizes=\"(max-width: 625px) 100vw, 625px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98c4d05 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"98c4d05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Pregunta 235<\/li><\/ul><p>El Q235 es una aleaci\u00f3n de acero china que contiene carbono, silicio, manganeso y trazas de otros elementos. Tiene una resistencia a la tracci\u00f3n relativamente baja y se utiliza en aplicaciones de construcci\u00f3n donde no se requiere que su resistencia sea particularmente alta.<\/p><ul><li>Q355<\/li><\/ul><p>El acero Q355 es un tipo de acero de baja aleaci\u00f3n que se utiliza en la fabricaci\u00f3n de puentes, edificios y otras estructuras. Tiene una resistencia a la fluencia de 355 MPa y una resistencia a la tracci\u00f3n de 470-660 MPa.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f30308b elementor-widget-mobile__width-initial elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"f30308b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Caracter\u00edsticas del acero Q235 y Q355<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-11d35c8 e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"11d35c8\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-30d9575 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"30d9575\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Caracter\u00edsticas del acero Q235:<\/li><\/ul><ol><li style=\"list-style-type: none;\"><ol><li>Tiene buena plasticidad y tenacidad;<\/li><li>Buena soldabilidad y trabajabilidad en fr\u00edo;<\/li><li>Resistencia moderada a la corrosi\u00f3n;<\/li><li>Tiene cierta resistencia al desgaste;<\/li><li>Baja templabilidad en fr\u00edo, f\u00e1cil de soldar y agrietar. El acero Q355 es un acero estructural de alta resistencia y baja aleaci\u00f3n que tiene buenas propiedades mec\u00e1nicas, resistencia a bajas temperaturas, buena soldabilidad, propiedades moderadas de flexi\u00f3n en fr\u00edo y tenacidad moderada.<\/li><\/ol><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e1e01d elementor-widget__width-initial elementor-widget-tablet__width-initial external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"8e1e01d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"798\" height=\"598\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-welding.png\" class=\"attachment-large size-large wp-image-28585\" alt=\"steel welding\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-welding.png 798w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-welding-300x225.png 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-welding-768x576.png 768w\" sizes=\"(max-width: 798px) 100vw, 798px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-90630f7 e-con-full e-flex elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"90630f7\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-25d2d68 elementor-widget__width-initial elementor-widget-tablet__width-initial external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"25d2d68\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/toughness-steel.png\" class=\"attachment-large size-large wp-image-28586\" alt=\"toughness steel\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/toughness-steel.png 900w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/toughness-steel-300x200.png 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/toughness-steel-768x512.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-601365a elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"601365a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Caracter\u00edsticas del acero Q355:<ol><li>Alta resistencia, buena plasticidad y tenacidad;<\/li><li>El rendimiento de la soldadura es bueno, la soldadura tiene buenas propiedades de soldadura.<\/li><li>La trabajabilidad en fr\u00edo es buena, la deformaci\u00f3n pl\u00e1stica en fr\u00edo es peque\u00f1a.<\/li><li>La maquinabilidad es aceptable, pero es inferior a la del acero al carbono n.\u00b0 20.<\/li><li>La resistencia a la corrosi\u00f3n no es tan buena como la del acero inoxidable.<\/li><\/ol><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5560075 elementor-widget-mobile__width-initial elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"5560075\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">La diferencia entre el acero Q235 y Q355<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a029aa9 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"a029aa9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Contenido de carbono<\/strong><\/li><\/ul><p style=\"padding-left: 40px;\">La diferencia entre el acero Q235 y el Q355 est\u00e1 en el contenido de carbono. El acero Q235 tiene una peque\u00f1a cantidad de contenido de carbono (0,3% a 0,4%), mientras que el acero Q355 tiene un porcentaje m\u00e1s alto (0,6% a 1%).<\/p><p style=\"padding-left: 40px;\">Acero Q235: Este tipo de acero tambi\u00e9n se conoce como acero de grado \u201cbajo en carbono\u201d o \u201cde calidad\u201d y se utiliza com\u00fanmente para fines estructurales, como vigas en I o secciones de canal, donde se requiere resistencia y ductilidad pero no es necesaria la soldabilidad.<\/p><ul><li><strong>Fuerza de fluencia<\/strong><\/li><\/ul><p style=\"padding-left: 40px;\">La principal diferencia entre estos dos tipos de acero es su l\u00edmite el\u00e1stico. El l\u00edmite el\u00e1stico es una medida de cu\u00e1nta tensi\u00f3n puede soportar un material antes de que comience a deformarse pl\u00e1sticamente (es decir, de forma permanente). Cuanto mayor sea el l\u00edmite el\u00e1stico, m\u00e1s resistente ser\u00e1 el metal a la deformaci\u00f3n permanente bajo carga.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a61377 external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"7a61377\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"452\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-yield-strength.jpg\" class=\"attachment-large size-large wp-image-28591\" alt=\"\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-yield-strength.jpg 982w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-yield-strength-300x170.jpg 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/steel-yield-strength-768x434.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c6fffa6 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"c6fffa6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"padding-left: 40px;\">El Q235 tiene un l\u00edmite el\u00e1stico de 235 MPa (38 ksi), mientras que el Q355 tiene un l\u00edmite el\u00e1stico de 355 MPa (50 ksi).<\/p><p style=\"padding-left: 40px;\">El Q235 es el tipo de acero m\u00e1s d\u00e9bil y el m\u00e1s com\u00fan que se utiliza en la industria de la construcci\u00f3n. Se utiliza normalmente para vigas o columnas que no est\u00e1n expuestas a grandes tensiones o cargas pesadas.<\/p><p style=\"padding-left: 40px;\">El acero Q355 es m\u00e1s resistente que el Q235 y se puede utilizar en situaciones en las que hay tensiones m\u00e1s extremas o cargas pesadas. Se suele encontrar en piezas que requieren un mayor nivel de seguridad, como vigas, columnas o conexiones en la base de un edificio. El acero de alta resistencia tiene el mayor nivel de resistencia y suele reservarse para \u00e1reas cr\u00edticas, como conexiones entre elementos estructurales y juntas que se conectan a otros componentes, como paredes.<\/p><p style=\"padding-left: 40px;\">El acero Q355 es mucho m\u00e1s resistente que el acero de grado Q235, pero su producci\u00f3n es m\u00e1s costosa porque requiere m\u00e1s tiempo para crear la aleaci\u00f3n de metal. Este tipo de acero puede resistir grandes cantidades de tensi\u00f3n o presi\u00f3n antes de romperse o doblarse, lo que lo hace ideal para fines estructurales.<\/p><p style=\"padding-left: 40px;\">Por lo tanto, el acero Q355 es m\u00e1s fuerte que el acero Q235.<\/p><p style=\"padding-left: 40px;\">\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-05b9486 e-flex e-con-boxed elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"05b9486\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e2804cd elementor-widget__width-initial elementor-widget-tablet__width-initial external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"e2804cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"327\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/alloy-steel.jpg\" class=\"attachment-large size-large wp-image-28590\" alt=\"alloy-steel\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/alloy-steel.jpg 590w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/08\/alloy-steel-300x166.jpg 300w\" sizes=\"(max-width: 590px) 100vw, 590px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bff8a2 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"1bff8a2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Composici\u00f3n qu\u00edmica<\/strong><\/li><\/ul><p style=\"padding-left: 40px;\">Q235 y Q355 son los dos aceros m\u00e1s populares en China. Ambos son aceros de baja aleaci\u00f3n y se utilizan ampliamente en la construcci\u00f3n, los ferrocarriles, la construcci\u00f3n naval y otras industrias. La composici\u00f3n qu\u00edmica de Q235 es la siguiente: C\u22640,28%, Si\u22641%, Mn\u22641,65%, P\u22640,045% y S\u22640,045%. La composici\u00f3n qu\u00edmica de Q355 es la siguiente: C\u22640,30%, Si\u22641%, Mn\u22641,65% y P\u22640,045%. La principal diferencia entre estos dos tipos de acero es que el primero contiene menos contenido de silicio, manganeso y f\u00f3sforo que el segundo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b48901a elementor-widget-mobile__width-initial elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"b48901a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u00bfCu\u00e1l deber\u00eda usar para mis proyectos?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2007562 elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"2007562\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Los dos aceros son similares en espesor y resistencia, pero el acero Q355 es un poco m\u00e1s caro.<\/p><p>El Q235 es un acero estructural com\u00fan que se puede utilizar para la construcci\u00f3n residencial o comercial. Tiene una resistencia m\u00e1xima a la tracci\u00f3n de 235 000 PSI y un l\u00edmite el\u00e1stico de 100 000 PSI. El acero Q355 tiene la misma resistencia m\u00e1xima a la tracci\u00f3n que el Q235, pero tiene un l\u00edmite el\u00e1stico ligeramente superior a 110 000 PSI.<\/p><p>Desde una perspectiva de costos, vale la pena se\u00f1alar que la diferencia de precio entre estos dos grados de acero es nominal, generalmente menos de $100 por tonelada. Encontrar\u00e1 este material en muchos lugares alrededor de los sitios de construcci\u00f3n, incluidas las estructuras de acero, los andamios, las barreras de protecci\u00f3n de bordes y las cercas de construcci\u00f3n, etc.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-902f745 e-flex e-con-boxed elementor-repeater-item-default_padding elementor-repeater-item-none elementor-repeater-item-none_hover e-con e-child\" data-id=\"902f745\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;ang_container_spacing_size&quot;:&quot;default_padding&quot;,&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6cd0e2d external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"6cd0e2d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/apacsafety.com\/es\/ringlock-scaffolding-systems\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/07\/scaffolding-project-1.jpg\" class=\"attachment-large size-large wp-image-26584\" alt=\"scaffolding\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/07\/scaffolding-project-1.jpg 800w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/07\/scaffolding-project-1-300x225.jpg 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/07\/scaffolding-project-1-768x576.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-18867ca external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"18867ca\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/apacsafety.com\/es\/edge-protection-barrier\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/06\/edge-protection-projects-england.jpg\" class=\"attachment-large size-large wp-image-25661\" alt=\"edge protection projects england\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/06\/edge-protection-projects-england.jpg 800w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/06\/edge-protection-projects-england-300x225.jpg 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/06\/edge-protection-projects-england-768x576.jpg 768w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/06\/edge-protection-projects-england-595xh.jpg 595w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d0a400f external_elementor-repeater-item-none_external elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-image\" data-id=\"d0a400f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/apacsafety.com\/es\/temporary-fence\/\">\n\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"798\" height=\"599\" src=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/03\/black-base-for-heras-fence.jpg\" class=\"attachment-large size-large wp-image-20859\" alt=\"black base for heras fence\" srcset=\"https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/03\/black-base-for-heras-fence.jpg 798w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/03\/black-base-for-heras-fence-300x225.jpg 300w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/03\/black-base-for-heras-fence-768x576.jpg 768w, https:\/\/apacsafety.com\/wp-content\/uploads\/2022\/03\/black-base-for-heras-fence-595xh.jpg 595w\" sizes=\"(max-width: 798px) 100vw, 798px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaab73e elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"aaab73e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>El Q355 es una aleaci\u00f3n de acero con un mayor contenido de carbono que el Q235. Esto da como resultado una mayor resistencia a la tracci\u00f3n, lo que lo hace ideal para aplicaciones donde se requiere resistencia. Tambi\u00e9n tiene un punto de fusi\u00f3n m\u00e1s bajo que otros aceros, lo que lo hace adecuado para aplicaciones de soldadura y conformado en caliente. Sin embargo, sus propiedades tambi\u00e9n lo hacen m\u00e1s susceptible a la corrosi\u00f3n. Como resultado, generalmente solo se utiliza en aplicaciones donde la resistencia a la corrosi\u00f3n no es una preocupaci\u00f3n cr\u00edtica.<\/p><p>Entonces, cuando elige los materiales, debe considerar el presupuesto y el escenario de aplicaci\u00f3n; por supuesto, adem\u00e1s de elegir uno u otro, tambi\u00e9n puede elegir una mezcla de dos materiales para obtener el producto m\u00e1s rentable.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a692ea8 elementor-widget-mobile__width-initial elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-heading\" data-id=\"a692ea8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclusi\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d06a5a elementor-repeater-item-none elementor-repeater-item-none_hover elementor-widget elementor-widget-text-editor\" data-id=\"8d06a5a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>En conclusi\u00f3n, el Q235 y el Q355 tienen sus propias ventajas y desventajas, y cada uno tiene sus propios campos de aplicaci\u00f3n. Por lo tanto, es necesario seleccionar cuidadosamente el tipo de acero adecuado seg\u00fan la situaci\u00f3n real.\u00a0<\/p><p>Puedes directamente <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/apacsafety.com\/es\/contact-us\/\">contacto<\/a><\/span> \u00a1Nuestros expertos le brindar\u00e1n las sugerencias m\u00e1s profesionales!<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction Steel is a common material used in construction, and there are different grades of steel available depending on the intended use. Two common grades of steel are Q235 and Q345. So what is the difference between these two grades? And which one should you choose for your project? Read on to find out. Update [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":27170,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86,20,1],"tags":[],"class_list":["post-27167","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-construction-fence","category-edge-protection","category-scaffolding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What Is the Difference Between Q235 and Q345 Steel?<\/title>\n<meta name=\"description\" content=\"What Is the Difference Between Q235 and Q345 Steel? Hope this blog will tell you the answer. Click and read more!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/apacsafety.com\/es\/difference-between-q235-and-q345\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is the Difference Between Q235 and Q345 Steel?\" \/>\n<meta property=\"og:description\" content=\"What Is the Difference Between Q235 and Q345 Steel? Hope this blog will tell you the answer. 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