{"id":5872,"date":"2026-07-21T00:55:17","date_gmt":"2026-07-21T00:55:17","guid":{"rendered":"https:\/\/forgesail.com\/?p=5872"},"modified":"2026-07-21T00:55:22","modified_gmt":"2026-07-21T00:55:22","slug":"thermite-welding-safety","status":"publish","type":"post","link":"https:\/\/forgesail.com\/es\/thermite-welding-safety\/","title":{"rendered":"Seguridad en la soldadura aluminot\u00e9rmica: Gu\u00eda esencial de EPI y procedimiento seguro en 7 pasos"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-1\"><strong>Understanding Thermite Welding Safety Hazards<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Thermite welding for rail applications involves a chemical reaction reaching approximately 2,500 \u00b0C, producing molten steel at temperatures far above typical arc welding. The thermite reaction is self-sustaining once ignited \u2014 the operator cannot stop it midway. This makes thermite welding safety fundamentally different from other welding processes: the hazard is concentrated into a short, high-energy event that requires rigorous pre-planning and strict adherence to PPE and procedures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The primary hazard categories are:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Hazard<\/strong><\/td><td><strong>Risk<\/strong><\/td><td><strong>Control Measure<\/strong><\/td><\/tr><tr><td>Thermal (2,500\u00b0C reaction)<\/td><td>Severe burns, clothing ignition<\/td><td>FR clothing, heat shield, minimum 3 m exclusion zone<\/td><\/tr><tr><td>Molten metal splash<\/td><td>Eye injury, skin burns<\/td><td>Welding helmet Shade 10+, leather gauntlets, full coverage<\/td><\/tr><tr><td>Fume inhalation (Al\u2082O\u2083, metal oxides)<\/td><td>Respiratory irritation, metal fume fever<\/td><td>P2\/P3 respirator, outdoor work preferred, forced ventilation if indoors<\/td><\/tr><tr><td>Crucible failure<\/td><td>Uncontrolled molten metal release<\/td><td>Pre-use crucible inspection; never reuse crucibles<\/td><\/tr><tr><td>Fire<\/td><td>Ignition of surrounding combustibles<\/td><td>Class D fire extinguisher, remove combustibles within 10 m radius<\/td><\/tr><tr><td>Oxygen displacement (confined space)<\/td><td>Asphyxiation risk<\/td><td>Fume accumulation (Al\u2082O\u2083) + oxygen depletion. Never perform thermite welding in confined spaces without forced ventilation and air monitoring<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">This guide covers the essential thermite welding safety procedures for rail welding operations, based on industry best practices and regulatory standards. For the complete welding process, see our <a href=\"https:\/\/forgesail.com\/thermite-welding-crane-rail-guide\/\"><u>aluminothermic welding guide<\/u><\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3.png\" alt=\"thermite welding safety full PPE operator rail welding\" class=\"wp-image-2762\" srcset=\"https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3.png 1000w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3-300x300.png 300w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3-150x150.png 150w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3-768x768.png 768w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3-12x12.png 12w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3-600x600.png 600w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects3-100x100.png 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-2\"><strong>Thermite Welding Safety: Required PPE for Operators<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">All personnel within the exclusion zone during thermite welding must wear the following minimum PPE. The welding operator requires additional specialized protection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Minimum PPE for all personnel within 10 m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Safety glasses with side shields (under helmet)<\/li>\n\n\n\n<li>Welding helmet with shade 12 minimum (shade 13 recommended) filter lens (operator only)<\/li>\n\n\n\n<li>Fire-resistant (FR) clothing \u2014 100% cotton or FR-rated materials. Polyester, nylon, and other synthetic fabrics must not be worn: they melt onto skin at high temperatures<\/li>\n\n\n\n<li>Leather welding gauntlets extending beyond the wrist (operator)<\/li>\n\n\n\n<li>Heat-resistant gloves (assistants handling pre-heated equipment)<\/li>\n\n\n\n<li>Steel-toe safety boots<\/li>\n\n\n\n<li>P2 or P3 particulate respirator (N95 minimum; P3 recommended for outdoor, P3 mandatory for indoor)<\/li>\n\n\n\n<li>Hard hat with chin strap<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">FR clothing must cover all exposed skin. Shirt collars must be buttoned, sleeves down, and pants worn over boot tops to prevent molten metal from entering footwear.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ForgeSail supplies <a href=\"https:\/\/forgesail.com\/products\/aluminothermic-welding-kits\/\"><u>aluminothermic welding kits including all consumables<\/u><\/a>, but PPE must be sourced to local regulatory standards.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>[ \u63d2\u5165\u56fe\u7247: Labeled diagram showing the required PPE setup for thermite welding: helmet, FR suit, gauntlets, respirator, boots. ]<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>&nbsp;&nbsp;&nbsp;Alt \u5c5e\u6027: &#8220;thermite welding safety PPE diagram required equipment labeled&#8221;<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-3\"><strong>Thermite Welding Safety Checklist: Pre-Weld Inspection<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The following checks must be completed before any thermite welding operation begins. A signed safety checklist should be maintained for each weld.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Site preparation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clear all combustible materials within a 10 m radius of the weld site<\/li>\n\n\n\n<li>Position a Class D fire extinguisher (metal fires) within arm&#8217;s reach of the welding operator. Class ABC extinguishers are not effective on thermite reactions<\/li>\n\n\n\n<li>Verify adequate ventilation \u2014 outdoor operations preferred. For indoor work, ensure forced ventilation is operational and positioned to draw fumes away from personnel<\/li>\n\n\n\n<li>Post warning signs and barricade the exclusion zone. Only essential personnel should remain within the 10 m radius<\/li>\n\n\n\n<li>Check weather conditions: do not weld during rain. In high-humidity conditions or when rail surfaces show condensation, the rail ends must be thoroughly dried by extended preheating before welding, high wind (\u22656 on Beaufort scale, ~39 km\/h or 10.8 m\/s). If wind exceeds 5 Beaufort (~30 km\/h), erect a wind shield before welding, or extreme heat (>40 \u00b0C), or rail temperature below 5 \u00b0C (cold cracking risk)<\/li>\n\n\n\n<li>Confirm a first aid kit and emergency eyewash are available on site. Verify that the crane or rolling stock on the affected track is locked out (LOTO) per OSHA 29 CFR 1910.147 to prevent movement during welding<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Equipment inspection:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Visually inspect the crucible for cracks, spalling, or previous damage. Never reuse a crucible \u2014 each crucible is designed for single use only<\/li>\n\n\n\n<li>Verify the thermite powder charge is within its expiry date and the packaging is intact<\/li>\n\n\n\n<li>Check that the mold is dry (moisture in contact with molten metal causes steam explosion)<\/li>\n\n\n\n<li>Inspect the ignition source (magnesium strip or electronic igniter) is functional and that the operator has a backup ignition method<\/li>\n\n\n\n<li>Ensure all cooling equipment (mold clamps, post-heat covers) is ready before ignition<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Refer to <a href=\"https:\/\/www.osha.gov\/laws-regs\/regulations\/standardnumber\/1910\/1910.251\" target=\"_blank\" rel=\"noopener\"><u>OSHA 29 CFR 1910 Subpart Q<\/u><\/a>&nbsp;for regulatory requirements on welding, cutting, and brazing.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5.png\" alt=\"thermite welding safety pre-weld inspection crucible mold check\" class=\"wp-image-2764\" srcset=\"https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5.png 1000w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5-300x300.png 300w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5-150x150.png 150w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5-768x768.png 768w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5-12x12.png 12w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5-600x600.png 600w, https:\/\/forgesail.com\/wp-content\/uploads\/2026\/01\/Reference-Projects5-100x100.png 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-4\"><strong>7-Step Safe Thermite Welding Procedure<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The following procedure must be followed in sequence. Each step has specific safety requirements that must not be bypassed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-5\"><strong>Step 1: Mold Installation<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Position the mold around the rail joint. Ensure the mold halves are aligned and clamped securely. Check that the mold gap matches the specified joint gap (typically 25-28 mm for rail profiles). Verify the mold is dry \u2014 any moisture will vaporize on contact with molten steel and can cause an explosive ejection of the weld pool.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-6\"><strong>Step 2: Preheating<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Preheat the rail ends and mold using the specified gas torch for the required duration (typically 5-10 minutes depending on rail profile). Preheating removes residual moisture and ensures proper weld fusion. The preheating operator must wear heat-resistant gloves and maintain a safe distance from the gas torch flame.<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-7 wp-block-paragraph\"><em>Gas cylinder safety: Propane or oxy-fuel cylinders used for preheating must be positioned upright at least 3 m from the weld area, secured against tipping, and fitted with flashback arrestors. Cylinders must not be exposed to direct heat from the thermite reaction. Shut off cylinder valves when preheating is complete.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-8\"><strong>Step 3: Crucible Placement<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Place the crucible over the mold. Verify the crucible is seated correctly and the gap between crucible outlet and mold inlet is sealed with sand. The operator must not reach under the crucible during placement.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-9\"><strong>Step 4: Ignition<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ignite the thermite charge using the magnesium strip or electronic igniter. The operator&#8217;s welding helmet must be lowered before ignition. The operator must not lean over or look directly down into the crucible opening. All non-essential personnel should step back to the exclusion zone boundary. Once ignited, the reaction is self-sustaining and cannot be stopped \u2014 maintain position and do not approach the crucible.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-10\"><strong>Step 5: Reaction and Pouring<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The thermite reaction completes in approximately 20-30 seconds. During this time, the operator must remain at a safe distance (minimum 3 m from the crucible). DO NOT approach the crucible during the reaction. Wait until the reaction has visibly stopped before proceeding.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-11\"><strong>Step 6: Cooling<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After the pour is complete, allow the weld to cool for the specified time (typically 3-5 minutes for removal of the pouring basin, 10-15 minutes for full mold removal). The weld area remains at extreme temperature \u2014 do not touch any metal surfaces without heat-resistant gloves.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-medium-font-size wp-elements-12\"><strong>Step 7: Mold Removal and Post-Heating<\/strong><strong><\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Remove the mold and pouring basin using tools \u2014 never by hand. Inspect the weld visually. Apply post-heat cover if specified. The rail should not be loaded until the weld has cooled to ambient temperature, which may take 30-60 minutes depending on rail profile and ambient conditions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-13\"><strong>Thermite Welding Safety: Post-Weld and Emergency Procedures<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Post-weld safety is as important as the welding operation itself. The weld area remains hazardous for up to 60 minutes after the pour.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Post-weld exclusion zone:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maintain the exclusion zone until the weld has cooled to &lt;100 \u00b0C (no steam when water is applied)<\/li>\n\n\n\n<li>Post warning signs: HOT WELD \u2014 DO NOT TOUCH<\/li>\n\n\n\n<li>Deposit used crucibles and slag in a designated metal container with a lid. Do not dispose of in general waste until fully cooled (minimum 4 hours). Place the container away from combustible materials and in a clearly marked location<\/li>\n\n\n\n<li>Inspect the area for any molten metal splatter or ignition of nearby materials before leaving the site<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Emergency response:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thermite reaction cannot be extinguished \u2014 wait for the reaction to stop and the molten steel to pour. Only after pouring is complete may dry sand be applied to cool the slag and residues. DO NOT pour sand onto the crucible during the active reaction \u2014 this can cause molten metal ejection. DO NOT use water \u2014 water on molten thermite causes a steam explosion that can eject molten metal<\/li>\n\n\n\n<li>Class D fire extinguisher only (dry powder type designed for metal fires)<\/li>\n\n\n\n<li>Personnel burns: cool the affected area with running water for at least 10 minutes. DO NOT attempt to remove clothing that has adhered to the burn \u2014 cut around it. Cover with sterile dressing (non-fluffy), seek medical attention immediately. For deep burns, do not apply prolonged cold water \u2014 risk of hypothermia<\/li>\n\n\n\n<li>Fume inhalation: move affected personnel to fresh air. If symptoms persist, seek medical attention<\/li>\n\n\n\n<li>All accidents and near-misses must be reported and investigated<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Compare thermite welding with flash butt welding safety requirements in our <a href=\"https:\/\/forgesail.com\/flash-butt-vs-thermite-welding\/\"><u>flash butt vs thermite welding guide<\/u><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-14\"><strong>Thermite Material Storage and Handling<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Safe storage of thermite welding materials is a critical part of overall thermite welding safety management:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Store thermite powder in a cool, dry environment (5-35 \u00b0C, &lt;60% humidity). Moisture contamination can cause the powder to degrade or react unpredictably<\/li>\n\n\n\n<li>Keep thermite powder and ignition materials (magnesium strips) in separate, labeled containers<\/li>\n\n\n\n<li>Thermite powder has a typical shelf life of 12-24 months. Expired material must be disposed of according to the manufacturer&#8217;s instructions \u2014 never incinerate or mix with other waste<\/li>\n\n\n\n<li>Transport thermite materials in approved containers with hazard labeling<\/li>\n\n\n\n<li>Maintain a material inventory log including batch numbers and expiry dates<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-15\"><strong>Frequently Asked Questions<\/strong><strong><\/strong><\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list \">\n<div id=\"faq-question-1783912293431\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>What is the biggest safety risk in thermite welding?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The uncontrolled release of molten metal \u2014 either through a crucible failure, wet mold (steam explosion), or the operator approaching the crucible during the reaction. The thermite reaction cannot be stopped once ignited, so prevention through rigorous pre-weld inspection is the primary safety strategy.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1783912305456\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Can thermite welding be performed in wet weather?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>No. Moisture in contact with molten thermite produces an instantaneous steam explosion that can eject molten steel over a 10 m+ radius. Thermite welding must not be performed during rain, snow, or on wet rails. The mold and rail ends must be confirmed dry before ignition.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1783912306398\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>How long should the weld area be cordoned off?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>The exclusion zone should be maintained until the weld area has cooled below 100 \u00b0C. For standard rail profiles, this typically requires 30-60 minutes after the pour. Post warning signs and restrict access during this period.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1783912308188\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>What type of fire extinguisher is needed for thermite fires?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Only Class D fire extinguishers (dry powder, designed for combustible metal fires) are effective. Standard ABC extinguishers, water, or foam must not be used \u2014 they will not extinguish the thermite reaction and water can cause a steam explosion.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1783912345805\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Can expired thermite powder be used?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>No. Expired thermite powder may have absorbed moisture or degraded, causing unpredictable reaction behavior. Always check the expiry date before use and dispose of expired material according to the manufacturer&#8217;s safety data sheet.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1783912346729\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question \"><strong>Is thermite welding safe indoors?<\/strong><\/h3>\n<div class=\"rank-math-answer \">\n\n<p>Thermite welding indoors requires forced ventilation at minimum. The reaction produces significant fumes (aluminum oxide, metal oxides) that can accumulate in enclosed spaces. Confined space thermite welding is prohibited due to oxygen displacement risk and the extreme heat generated.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<h2 class=\"wp-block-heading has-ast-global-color-0-color has-text-color has-link-color has-large-font-size wp-elements-16\"><strong>ForgeSail Products &amp; Support<\/strong><strong><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">ForgeSail manufactures aluminothermic welding kits, rail profiles, and rail clips for the rail industry. For the products referenced in this safety guide:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/forgesail.com\/products\/aluminothermic-welding-kits\/\"><u>Aluminothermic welding kits<\/u><\/a>\u2014 complete kits including crucibles, molds, thermite charges, and ignition systems<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/forgesail.com\/thermite-welding-crane-rail-guide\/\"><u>Crane rail thermite welding guide<\/u><\/a>\u2014 full process specifications and joint preparation<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/forgesail.com\/flash-butt-vs-thermite-welding\/\"><u>Flash butt vs thermite comparison<\/u><\/a>\u2014 technical comparison of both methods<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contact the ForgeSail engineering team for project-specific safety requirements and welding procedure specifications.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Una gu\u00eda pr\u00e1ctica sobre seguridad en la soldadura termita que abarca los requisitos de EPI, la identificaci\u00f3n de riesgos, las comprobaciones previas a la soldadura, un procedimiento seguro de 7 pasos y la respuesta ante emergencias en operaciones de soldadura de ra\u00edles.<\/p>","protected":false},"author":4,"featured_media":2766,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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