{"id":1437,"date":"2026-07-29T12:23:46","date_gmt":"2026-07-29T12:23:46","guid":{"rendered":"https:\/\/delmas-tubes.com\/es\/?p=1437"},"modified":"2026-09-18T12:17:14","modified_gmt":"2026-09-18T12:17:14","slug":"tubes-en-acier-sans-soudure","status":"publish","type":"post","link":"https:\/\/delmas-tubes.com\/fr\/tubos-de-acero-sin-soldadura\/","title":{"rendered":"Tube en acier soud\u00e9 ou sans soudure : guide de s\u00e9lection"},"content":{"rendered":"<h2>Tubo con costura y tubo sin soldadura: dos procesos, dos aplicaciones<\/h2>\n<p>El tubo de acero se fabrica principalmente por dos v\u00edas. El <strong>tubo sin soldadura<\/strong> (seamless) se obtiene perforando una barra maciza en caliente, sin costura longitudinal. El <strong>tubo soldado de precisi\u00f3n<\/strong> parte de fleje de acero conformado y soldado por inducci\u00f3n, para despu\u00e9s calibrarse y, en la mayor\u00eda de casos, estirarse en fr\u00edo hasta la medida final. Ambos dan lugar a tubos de acero de alta calidad, pero su rendimiento y su coste divergen seg\u00fan el di\u00e1metro, la tolerancia y las condiciones de servicio.<\/p>\n<h2>Cu\u00e1ndo elegir tubo sin soldadura<\/h2>\n<p>El tubo sin soldadura es la opci\u00f3n natural en <strong>grandes di\u00e1metros, paredes gruesas y presiones extremas<\/strong>: l\u00edneas de perforaci\u00f3n, conducciones de petr\u00f3leo y gas, calderer\u00eda o aplicaciones donde la pared debe soportar esfuerzos muy elevados de forma homog\u00e9nea en toda la circunferencia. En estos escenarios, la ausencia de cord\u00f3n de soldadura es una ventaja real.<\/p>\n<h2>Cu\u00e1ndo el tubo soldado de precisi\u00f3n es superior<\/h2>\n<p>En <strong>peque\u00f1os di\u00e1metros (de 3 a 25 mm) y tolerancias ajustadas<\/strong>, el tubo soldado de precisi\u00f3n iguala o supera al sin soldadura, y lo hace a un coste sensiblemente menor. La soldadura moderna por inducci\u00f3n, unida al calibrado y al estirado en fr\u00edo, elimina las limitaciones hist\u00f3ricas: se consigue un cord\u00f3n interior reducido (\u2264 0,15 mm o eliminado por completo), un di\u00e1metro exacto a la d\u00e9cima de mil\u00edmetro y una superficie lista para cromado o zincado directo sin pulido previo. Para ejes, rodillos, mecanismos, l\u00edneas de fluido de peque\u00f1o di\u00e1metro y estructuras, es la soluci\u00f3n m\u00e1s eficiente.<\/p>\n<h2>Criterios de selecci\u00f3n<\/h2>\n<p>La decisi\u00f3n no es \u00abuno mejor que otro\u00bb, sino cu\u00e1l encaja con tu aplicaci\u00f3n:<\/p>\n<ul>\n<li><strong>Di\u00e1metro:<\/strong> por debajo de 25 mm, el soldado de precisi\u00f3n es m\u00e1s competitivo.<\/li>\n<li><strong>Tolerancia:<\/strong> si necesitas exactitud a la d\u00e9cima de mil\u00edmetro en interior y exterior, el calibrado del tubo soldado la garantiza.<\/li>\n<li><strong>Acabado:<\/strong> las superficies brillantes y sin poro, listas para tratamiento galv\u00e1nico, son propias del tubo soldado calibrado.<\/li>\n<li><strong>Presi\u00f3n y pared:<\/strong> para presiones extremas y paredes muy gruesas, valora el sin soldadura.<\/li>\n<li><strong>Coste y plazo:<\/strong> el soldado de precisi\u00f3n ofrece mejor relaci\u00f3n prestaciones-precio y m\u00e1s flexibilidad de suministro.<\/li>\n<\/ul>\n<h2>La precisi\u00f3n soldada de Delm\u00e0s<\/h2>\n<p>En Delm\u00e0s fabricamos <strong>tubo de acero soldado y calibrado de precisi\u00f3n<\/strong> desde 1956, especializados en peque\u00f1os di\u00e1metros de 3 a 25 mm y tolerancias a la d\u00e9cima de mil\u00edmetro. Puedes consultar nuestras <a href=\"https:\/\/delmas-tubes.com\/es\/gamas\/\">gamas PREMIUM, OPTIM y PRECISE<\/a> o <a href=\"https:\/\/delmas-tubes.com\/es\/contacto\/\">hablar con nuestro equipo t\u00e9cnico<\/a> para valorar la mejor soluci\u00f3n para tu aplicaci\u00f3n.<\/p>\n<h2>Preguntas frecuentes<\/h2>\n<h3>\u00bfEs m\u00e1s d\u00e9bil un tubo soldado que uno sin soldadura?<\/h3>\n<p>En peque\u00f1os di\u00e1metros y con procesos de soldadura por inducci\u00f3n y calibrado modernos, no. El tubo soldado de precisi\u00f3n ofrece una resistencia y una homogeneidad plenamente aptas para aplicaciones industriales exigentes, con la ventaja de tolerancias m\u00e1s ajustadas y mejor acabado.<\/p>\n<h3>\u00bfQu\u00e9 tolerancias alcanza el tubo soldado de precisi\u00f3n?<\/h3>\n<p>Trabajamos di\u00e1metros exactos a la d\u00e9cima de mil\u00edmetro, con control del cord\u00f3n interior (\u2264 0,15 mm) o su eliminaci\u00f3n completa seg\u00fan la gama.<\/p>\n<h3>\u00bfCu\u00e1ndo deber\u00eda optar por el tubo sin soldadura?<\/h3>\n<p>Cuando la aplicaci\u00f3n exige grandes di\u00e1metros, paredes muy gruesas o presiones extremas fuera del rango de 3 a 25 mm. Para el resto de casos de precisi\u00f3n, el soldado calibrado suele ser la mejor elecci\u00f3n.<\/p>\n<style id=\"dlm-ilf-css\"> .dlm-ilf{background:#f5f7f9;padding:72px 0;border-top:1px solid rgba(0,0,0,.07);} .dlm-ilf *{box-sizing:border-box;} .dlm-ilf .dlm-ilf-wrap{max-width:1180px;margin:0 auto;padding:0 24px; display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start;} .dlm-ilf .dlm-ilf-eye{display:inline-block;font-size:11px;letter-spacing:.14em;text-transform:uppercase; font-weight:700;color:var(--brand-accent,#1c9fdb);margin-bottom:14px;} .dlm-ilf h2{font-size:clamp(25px,2.6vw,34px);line-height:1.18;margin:0 0 18px;color:#143852;font-weight:700;letter-spacing:-.01em;} .dlm-ilf .dlm-ilf-sub{font-size:15px;line-height:1.6;color:#3f5a6e;margin:0 0 26px;} .dlm-ilf ul{list-style:none;margin:0 0 26px;padding:0;} .dlm-ilf ul li{position:relative;padding-left:30px;margin-bottom:13px;font-size:14.5px;line-height:1.5;color:#143852;} .dlm-ilf ul li:before{content:\"\";position:absolute;left:0;top:4px;width:18px;height:18px;border-radius:50%; background:var(--brand-accent,#1c9fdb); -webkit-mask:url(\"data:image\/svg+xml;charset=utf8,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'\/%3E%3C\/svg%3E\") center\/13px no-repeat,linear-gradient(#000,#000); mask:url(\"data:image\/svg+xml;charset=utf8,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9 16.2 4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4z'\/%3E%3C\/svg%3E\") center\/13px no-repeat;} .dlm-ilf .dlm-ilf-alt{font-size:14px;color:#3f5a6e;margin:0;} .dlm-ilf .dlm-ilf-alt a{color:#143852;font-weight:700;text-decoration:none;border-bottom:2px solid var(--brand-accent,#1c9fdb);} .dlm-ilf .dlm-ilf-card{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:14px; padding:34px 32px;box-shadow:0 18px 44px -28px rgba(13,27,38,.45);} .dlm-ilf .elementor-field-group>label{font-size:12px!important;font-weight:600!important;color:#143852!important; margin-bottom:6px!important;letter-spacing:.01em;} .dlm-ilf .elementor-field-textual{border:1px solid #d5dde3!important;border-radius:8px!important; padding:11px 13px!important;font-size:14.5px!important;background:#fff!important;color:#143852!important; min-height:44px;width:100%;} .dlm-ilf .elementor-field-textual:focus{border-color:var(--brand-accent,#1c9fdb)!important; box-shadow:0 0 0 3px rgba(28,159,219,.16)!important;outline:none;} .dlm-ilf textarea.elementor-field-textual{min-height:104px;} .dlm-ilf .elementor-field-type-acceptance label{font-size:12.5px!important;color:#4a6478!important;font-weight:400!important;} .dlm-ilf .elementor-field-type-acceptance a{color:#143852;text-decoration:underline;} .dlm-ilf .elementor-button{background:var(--brand-accent,#1c9fdb)!important;color:#fff!important; border-radius:8px!important;padding:14px 26px!important;font-size:14.5px!important;font-weight:700!important; letter-spacing:.01em;width:100%;justify-content:center;transition:filter .18s ease,transform .18s ease;} .dlm-ilf .elementor-button:hover{filter:brightness(.93);transform:translateY(-1px);} @media(max-width:900px){ .dlm-ilf{padding:52px 0;} .dlm-ilf .dlm-ilf-wrap{grid-template-columns:1fr;gap:30px;} .dlm-ilf .dlm-ilf-card{padding:26px 20px;} } .dlm-ilf.narrow{margin:56px 0 0;border-radius:14px;padding:44px 0;}.dlm-ilf.narrow .dlm-ilf-wrap{grid-template-columns:1fr;gap:28px;max-width:720px;}.dlm-ilf.narrow h2{font-size:clamp(23px,2.2vw,29px);}<\/style>\n<section class=\"dlm-ilf narrow\" id=\"dlm-form\">\n<div class=\"dlm-ilf-wrap\">\n<div class=\"dlm-ilf-intro\">\n<div class=\"dlm-ilf-eye\">Consulta t\u00e9cnica<\/div>\n<h2>Cu\u00e9ntanos tu aplicaci\u00f3n y te respondemos en 24 h<\/h2>\n<p class=\"dlm-ilf-sub\">Somos fabricantes desde 1956. Dinos qu\u00e9 necesitas y nuestro equipo t\u00e9cnico revisa tu caso, sin compromiso y sin pedido m\u00ednimo.<\/p>\n<ul>\n<li>Respuesta t\u00e9cnica en 24 h<\/li>\n<li>Muestra f\u00edsica en tu especificaci\u00f3n exacta<\/li>\n<li>Comparativa de coste vs. tu proveedor actual<\/li>\n<\/ul>\n<p class=\"dlm-ilf-alt\">\u00bfPrefieres hablarlo por tel\u00e9fono? <a href=\"tel:+34938424707\">+34 938 424 707<\/a><\/p>\n<\/div>\n<div class=\"dlm-ilf-card\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"1329\" class=\"elementor elementor-1329\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div class=\"elementor-element elementor-element-e54bc3c e-con-full e-flex e-con e-parent\" data-id=\"e54bc3c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a22c547 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"a22c547\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;step_next_label&quot;:&quot;Siguiente&quot;,&quot;step_previous_label&quot;:&quot;Anterior&quot;,&quot;button_width&quot;:&quot;100&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" id=\"form_elementor\" name=\"Contacto Delm\u00e0s\" aria-label=\"Contacto Delm\u00e0s\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"1329\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"a22c547\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-above\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tNombre\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_de0143c elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_de0143c\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmpresa\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_de0143c]\" id=\"form-field-field_de0143c\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-50 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tEmail\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" required=\"required\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-tel elementor-field-group elementor-column elementor-field-group-field_c8e470a elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_c8e470a\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tTel\u00e9fono (opcional)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input size=\"1\" type=\"tel\" name=\"form_fields[field_c8e470a]\" id=\"form-field-field_c8e470a\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" pattern=\"[0-9()#&amp;+*-=.]+\" title=\"Only numbers and phone characters (#, -, *, etc) are accepted.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-sector elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-sector\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tSector\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[sector]\" id=\"form-field-sector\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"Sin especificar\">Sin especificar<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Mobility\">Mobility<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Automoci\u00f3n\">Automoci\u00f3n<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Hogar\">Hogar<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Ingenier\u00eda\">Ingenier\u00eda<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Otro\">Otro<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-select elementor-field-group elementor-column elementor-field-group-diametro elementor-col-50\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-diametro\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tDi\u00e1metro exterior\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field elementor-select-wrapper remove-before \">\n\t\t\t<div class=\"select-caret-down-wrapper\">\n\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-eicon-caret-down\" viewBox=\"0 0 571.4 571.4\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M571 393Q571 407 561 418L311 668Q300 679 286 679T261 668L11 418Q0 407 0 393T11 368 36 357H536Q550 357 561 368T571 393Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t\t<select name=\"form_fields[diametro]\" id=\"form-field-diametro\" class=\"elementor-field-textual elementor-size-sm\">\n\t\t\t\t\t\t\t\t\t<option value=\"Sin especificar\">Sin especificar<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"3\u201310 mm\">3\u201310 mm<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"10\u201313 mm\">10\u201313 mm<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"13\u201325 mm\">13\u201325 mm<\/option>\n\t\t\t\t\t\t\t\t\t<option value=\"Otro di\u00e1metro\">Otro di\u00e1metro<\/option>\n\t\t\t\t\t\t\t<\/select>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label\">\n\t\t\t\t\t\t\t\tCu\u00e9ntanos tu aplicaci\u00f3n (material, acabado, cantidad)\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-hidden elementor-field-group elementor-column elementor-field-group-origen elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"hidden\" name=\"form_fields[origen]\" id=\"form-field-origen\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" value=\"Tubo de acero soldado vs sin soldadura: gu\u00eda de selecci\u00f3n\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-acceptance elementor-field-group elementor-column elementor-field-group-acceptance elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t<div 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