{"id":6424,"date":"2026-09-14T13:47:50","date_gmt":"2026-09-14T05:47:50","guid":{"rendered":"https:\/\/www.hankocraneparts.com\/?p=6424"},"modified":"2026-09-21T10:49:28","modified_gmt":"2026-09-21T02:49:28","slug":"forged-crane-hooks","status":"publish","type":"post","link":"https:\/\/www.hankocraneparts.com\/th\/forged-crane-hooks\/","title":{"rendered":"Crane Hooks: Forged Single &#038; Double Hooks"},"content":{"rendered":"<p>Looking for forged crane hooks from a reliable supplier? Hanko supplies open-die forged single and double hooks for your overhead, gantry, portal, and metallurgical cranes. This page covers the forging process behind what we supply, material options, testing standards, and ordering process.<\/p>\n<h2>Featured Snippet: Quick Answer<\/h2>\n<blockquote style=\"border-left: 4px solid #2F5496; margin: 1em 0; padding: 10px 20px; background: #f5f5f5;\"><p>Hanko supplies forged crane hooks to DIN 15401 (single hooks, 0.5\u201380 t) and DIN 15402 (double hooks, 80\u2013500+ t). Materials include DG20Mn for standard service and 34CrMo4 or 35CrMoA for heavy-duty applications. Material certificates (for example <a href=\"https:\/\/www.iso.org\/standard.html\">EN 10204<\/a> 3.1), magnetic particle inspection reports, and proof load test certificates are available on request. Custom hooks are produced from drawings.<\/p><\/blockquote>\n<hr \/>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-6431\" src=\"https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/forged-crane-hooks-main.webp\" alt=\"Forged crane hooks with machined shank threads and smooth saddle, single and double hook types ready for shipment\" width=\"650\" height=\"451\" srcset=\"https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/forged-crane-hooks-main.webp 650w, https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/forged-crane-hooks-main-300x208.webp 300w, https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/forged-crane-hooks-main-18x12.webp 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>Crane Hook Manufacturing Process<\/h2>\n<h3>1. Material Selection<\/h3>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Material<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Application<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Tensile Strength (MPa)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Yield Strength (MPa)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20# steel (DIN C22)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Light-duty hooks \u22645 t<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">410\u2013530<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u2265245<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">DG20Mn (DIN 20Mn5)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Standard hooks 5\u201380 t<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">500\u2013650<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u2265300<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">34CrMo4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Heavy-duty hooks 80\u2013250 t<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">700\u2013900<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u2265500<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">35CrMoA<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Extra-heavy hooks 250 t+<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">800\u20131000<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u2265550<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30CrNi3MoA<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Special application hooks<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">900\u20131100<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">\u2265700<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. Forging<\/h3>\n<p>When you order hooks, they are open-die forged from a single billet. The forging process:<\/p>\n<ul>\n<li>Heats the billet to 1150\u20131250\u00b0C<\/li>\n<li>Shapes the hook profile using hydraulic press and die tools<\/li>\n<li>Ensures grain flow follows the hook&#8217;s load-bearing contour<\/li>\n<li>Achieves a minimum reduction ratio of 3:1 from billet to forging<\/li>\n<\/ul>\n<p>You must ensure that welding, casting, or repair welding on any load-bearing section of your crane hook is prohibited by all major standards. For more on hook types and their applications, see our <a href=\"https:\/\/www.hankocraneparts.com\/th\/a-guide-to-crane-hook-types-for-your-business-hanko\/\">guide to crane hook types<\/a>.<\/p>\n<h3>3. Heat Treatment<\/h3>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Process<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Specification<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Purpose<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Normalizing<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Full hook: 160\u2013200 HB<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Stress relief, uniform structure<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Quenching &amp; tempering<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Full hook: 200\u2013280 HB<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Through-hardening for strength and toughness<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Local hardening<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Shank thread and saddle fillet<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Wear and stress concentration resistance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Your heat treatment cycles are documented with temperature charts traceable to each heat number.<\/p>\n<h3>4. Machining<\/h3>\n<ul>\n<li>Shank thread: Turned and milled to standard metric or UN thread profiles<\/li>\n<li>Thrust bearing seat: Machined to match the thrust bearing specification<\/li>\n<li>Hook saddle: Smooth finishing to prevent rope wear<\/li>\n<li>Pin hole: Bored to H7 tolerance for the hook pin<\/li>\n<\/ul>\n<h3>5. Inspection and Testing<\/h3>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Test<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Standard<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Scope<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Chemical composition<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Spectrometer<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Per heat number<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Mechanical properties<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Tensile, impact, hardness<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Per heat number<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Magnetic particle (MT)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">DIN EN 10228<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Saddle, shank fillet, thread root<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Ultrasonic (UT)<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">DIN EN 10228<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">For hooks \u226580 t or critical applications<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Proof load test<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25\u20132\u00d7 rated load<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Each hook or batch sample per standard<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Dimensional inspection<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">CMM or calibrated tools<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Per drawing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2>Hook Types Available<\/h2>\n<h3>Single Hooks (DIN 15401)<\/h3>\n<p>When you need single hooks, they are standard for your overhead and gantry cranes up to 80 t rated load. The single saddle design is simpler, lighter, and more economical.<\/p>\n<ul>\n<li>Load range: 0.5\u201380 t<\/li>\n<li>Shank diameters: 25\u2013170 mm<\/li>\n<li>Throat openings: 36\u2013200 mm<\/li>\n<li>Overall heights: 145\u2013820 mm<\/li>\n<\/ul>\n<p>For complete dimension data, see our <a href=\"https:\/\/www.hankocraneparts.com\/th\/crane-hook-size-chart-dimensions-and-load-ratings\/\">crane hook size chart<\/a>.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-6432\" src=\"https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/single-forged-crane-hook.webp\" alt=\"Single forged crane hook with polished shank, threaded end, and wide throat opening on inspection bench\" width=\"650\" height=\"451\" srcset=\"https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/single-forged-crane-hook.webp 650w, https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/single-forged-crane-hook-300x208.webp 300w, https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/single-forged-crane-hook-18x12.webp 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<h3>Double Hooks (DIN 15402)<\/h3>\n<p>When you need double hooks, they are standard for your heavy-duty cranes from 80 t to 500+ t. The two-saddle design distributes your load more evenly and provides better stability for heavy lifts.<\/p>\n<ul>\n<li>Load range: 80\u2013500+ t<\/li>\n<li>Shank diameters: 165\u2013330+ mm<\/li>\n<li>Throat openings: 190\u2013380+ mm<\/li>\n<li>Overall heights: 750\u20131420+ mm<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-6433\" src=\"https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/double-crane-hook.webp\" alt=\"Double crane hook with two saddles and central shank, machined and ready for proof load testing\" width=\"650\" height=\"451\" srcset=\"https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/double-crane-hook.webp 650w, https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/double-crane-hook-300x208.webp 300w, https:\/\/www.hankocraneparts.com\/wp-content\/uploads\/2026\/09\/double-crane-hook-18x12.webp 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/><\/p>\n<h3>Special Hook Designs<\/h3>\n<ul>\n<li>Laminated hooks: For foundry and high-temperature applications<\/li>\n<li>Clevis-type hooks: With integrated clevis for direct sling attachment<\/li>\n<li>Closed-eye hooks: For marine and offshore applications<\/li>\n<li>Pneumatic\/hydraulic hook release: For grab crane applications<\/li>\n<\/ul>\n<p>For selection guidance, see our <a href=\"https:\/\/www.hankocraneparts.com\/th\/how-to-choose-the-right-crane-hook\/\">crane hook selection guide<\/a>. For hook failure analysis, see our articles on <a href=\"https:\/\/www.hankocraneparts.com\/th\/why-crane-hooks-fail-common-causes-and-solutions\/\">crane hook failures<\/a> and <a href=\"https:\/\/www.hankocraneparts.com\/th\/common-crane-hook-failures\/\">common crane hook failures<\/a>.<\/p>\n<p>&nbsp;<\/p>\n<h2>How to Order Custom Crane Hooks<\/h2>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Parameter<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Rated load<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Maximum lifting capacity<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Hook type<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Single or double<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Standard reference<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">DIN 15401, DIN 15402, <a href=\"https:\/\/openstd.samr.gov.cn\">GB\/T 10051<\/a>, or custom<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Material grade<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">If specified, otherwise we recommend<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Shank diameter<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Must match existing thrust bearing and nut<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Throat opening<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Based on sling or shackle size<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Thread specification<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Metric or UN thread<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Overall height limit<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Available headroom<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Proof load test multiplier<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25\u00d7, 1.5\u00d7, or 2\u00d7 (per standard or project requirement)<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">NDT requirements<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">MT, UT, or both<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Operating temperature<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">For cold-region or hot-environment applications<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Quantity<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Number of hooks<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">Drawing<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">PDF or CAD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Ready to order forged crane hooks?<\/strong> Send your rated load, standard reference, shank diameter, and throat opening to <a href=\"https:\/\/www.hankocraneparts.com\/th\/contact\/\">Hanko<\/a>. Our engineers will confirm the forging method, material, and heat treatment, then provide a quotation within 24 hours.<\/p>\n<p>&nbsp;<\/p>\n<h2>FAQ<\/h2>\n<style>\n<p>.hanko-faq details { border:1px solid rgba(14,106,237,0.15); border-radius:4px; margin:8px 0; padding:10px 14px; background:#F0F5FD; }<\/p>\n<p>.hanko-faq summary { cursor:pointer; font-weight:600; color:#0E6AED; }<\/p>\n<p>.hanko-faq details p { margin:8px 0 4px; }<\/p>\n<\/style>\n<div class=\"hanko-faq\">\n<details>\n<summary><strong>What standards do Hanko crane hooks comply with?<\/strong><\/summary>\n<p>Hanko supplies hooks to DIN 15401 (single hooks), DIN 15402 (double hooks), and GB\/T 10051 (Chinese standard for forged crane hooks). You can also have hooks produced to <a href=\"https:\/\/www.vdma.org\/en_GB\/fem\">FEM<\/a> or custom specifications.<\/p>\n<\/details>\n<details>\n<summary><strong>Do crane hooks come with proof load test certificates?<\/strong><\/summary>\n<p>Proof load testing is performed at 1.25\u20132\u00d7 the rated load (depending on the standard requirement) before shipment. Test certificates are available on request.<\/p>\n<\/details>\n<details>\n<summary><strong>What NDT testing is performed on crane hooks?<\/strong><\/summary>\n<p>Magnetic particle inspection (MT) is performed on the saddle, shank fillet, and thread root for all your hooks. Ultrasonic testing (UT) is additionally performed on hooks \u226580 t or when you specify it.<\/p>\n<\/details>\n<details>\n<summary><strong>Can Hanko supply replacement crane hooks to match an existing thrust bearing?<\/strong><\/summary>\n<p>Yes. Provide the shank diameter, thread pitch, and thrust bearing part number, and we will produce a hook with a matching shank. If you have hooks without drawings, send the old hook or a dimensional sketch.<\/p>\n<\/details>\n<details>\n<summary><strong>Does Hanko export crane hooks to Russia and other target markets?<\/strong><\/summary>\n<p>Yes. Hanko exports forged crane hooks to Russia, Kazakhstan, Uzbekistan, Turkey, Brazil, and other target markets. You can request localized documentation, material certificates (e.g. EN 10204 3.1), and packaging suited to your country&#8217;s import requirements. Contact Hanko with your destination country for specific logistics support.<\/p>\n<\/details>\n<\/div>\n<p><script><\/p>\n<p>(function(){<\/p>\n<p>  function closeOthers(current){<\/p>\n<p>    document.querySelectorAll('.hanko-faq details').forEach(function(o){<\/p>\n<p>      if(o!==current && o.open){ o.open=false; }<\/p>\n<p>    });<\/p>\n<p>  }<\/p>\n<p>  function initHankoFaq(){<\/p>\n<p>    var boxes=document.querySelectorAll('.hanko-faq details');<\/p>\n<p>    boxes.forEach(function(d){<\/p>\n<p>      d.addEventListener('toggle',function(){ if(d.open){ closeOthers(d); } });<\/p>\n<p>      var s=d.querySelector('summary');<\/p>\n<p>      if(s){ s.addEventListener('click',function(){ setTimeout(function(){ if(d.open){ closeOthers(d); } },0); }); }<\/p>\n<p>    });<\/p>\n<p>  }<\/p>\n<p>  if(document.readyState==='loading'){ document.addEventListener('DOMContentLoaded',initHankoFaq); }<\/p>\n<p>  else{ initHankoFaq(); }<\/p>\n<p>})();<\/p>\n<p><\/script><\/p>\n<p>If you have hook drawings or specifications ready, send them to Hanko for a technical review and quotation. For our full hook product range, visit the <a href=\"https:\/\/www.hankocraneparts.com\/th\/crane-hooks\/\">Crane Hooks product page<\/a>. Hanko serves customers in Russia, Central Asia, the Middle East, Southeast Asia, South America, and other markets with complete export documentation.<\/p>","protected":false},"excerpt":{"rendered":"<p>Looking for forged crane hooks from a reliable supplier? Hanko supplies open-die forged single and double hooks for your overhead, gantry, portal, and metallurgical cranes. This page covers the forging process behind what we supply, material options, testing standards, and ordering process. Featured Snippet: Quick Answer Hanko supplies forged crane hooks to DIN 15401 (single [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":6430,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[90],"tags":[],"class_list":["post-6424","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-sharing"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Crane Hooks: Forged Single &amp; Double Hooks<\/title>\n<meta name=\"description\" content=\"Need forged crane hooks? 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