{"id":906,"date":"2026-04-15T11:00:25","date_gmt":"2026-04-15T11:00:25","guid":{"rendered":"https:\/\/www.viratsteel.in\/blog\/?p=906"},"modified":"2026-07-20T05:11:28","modified_gmt":"2026-07-20T05:11:28","slug":"p20-vs-h13","status":"publish","type":"post","link":"https:\/\/www.viratsteel.in\/blog\/p20-vs-h13\/","title":{"rendered":"P20 vs H13 \u2014 Best Choice for Long-Run Plastic Mould Steel \u00b7 Grade Comparison \u00b7 Virat Special Steels"},"content":{"rendered":"\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>A practical, application-first guide for mould makers, tool rooms, and procurement teams choosing between&nbsp; two most popular plastic mould steel grades.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Choosing the wrong mould steel doesn&#8217;t just cost money \u2014 it costs production runs, surface finish quality, and mould life. Here&#8217;s how to pick the right one.<\/em><\/p>\n\n\n\n<h1 class=\"wp-block-heading\" style=\"font-size:24px\">At a Glance: P20 vs H13<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The table below gives a side-by-side view of both grades across the most critical properties mould buyers evaluate:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-center\" data-align=\"center\"><strong>P20 Steel<\/strong> <br>Pre-hardened Mould Steel<\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>H13 Steel<\/strong> <br>Hot Work Tool Steel<\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Hardness<\/strong> 28\u201334 HRC (pre-hardened)<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Hardness<\/strong> 44\u201352 HRC<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Toughness<\/strong> High<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Toughness<\/strong> Very High<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Polishability<\/strong> Good<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Polishability<\/strong> Excellent<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Machinability<\/strong> Excellent<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Machinability<\/strong> Moderate<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Mould Life<\/strong> Up to 5,00,000 shots<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Mould Life<\/strong> 10,00,000+ shots<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Heat Treatment<\/strong> Not required<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Heat Treatment<\/strong> Required (vacuum)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Tool Cost<\/strong> Lower<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Tool Cost<\/strong> Higher<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Lead Time<\/strong> Short<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Lead Time<\/strong> Longer<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" style=\"font-size:26px\">Detailed Property Comparison<\/h1>\n\n\n\n<figure class=\"wp-block-table is-style-regular\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Property<\/strong><\/th><th><strong>P20 Steel<\/strong><\/th><th><strong>H13 Steel<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Hardness after HT<\/strong><\/td><td>28\u201334 HRC (pre-hardened)<\/td><td>44\u201352 HRC<\/td><\/tr><tr><td><strong>Wear Resistance<\/strong><\/td><td>Moderate<\/td><td>High<\/td><\/tr><tr><td><strong>Toughness<\/strong><\/td><td>High<\/td><td>Very High<\/td><\/tr><tr><td><strong>Machinability<\/strong><\/td><td>Excellent (no HT needed)<\/td><td>Moderate (HT required)<\/td><\/tr><tr><td><strong>Thermal Fatigue Resistance<\/strong><\/td><td>Low<\/td><td>Very High<\/td><\/tr><tr><td><strong>Tool Cost<\/strong><\/td><td>Lower<\/td><td>Higher<\/td><\/tr><tr><td><strong>Lead Time<\/strong><\/td><td>Short (ready to machine)<\/td><td>Longer (HT required)<\/td><\/tr><tr><td><strong>Mould Life<\/strong><\/td><td>Up to 5,00,000 shots<\/td><td>10,00,000+ shots<\/td><\/tr><tr><td><strong>Corrosion Resistance<\/strong><\/td><td>Low<\/td><td>Moderate<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Which Steel is Best for Long-Run Moulds?<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Choose P20 if:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Production volume is moderate<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Budget is limited<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Faster delivery is required<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Plastic material is non-abrasive<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 Choose H13 if:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Production volume is very high<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; You need long mould life<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Material is abrasive or high temperature<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dimensional stability is critical<\/h4>\n\n\n\n<figure style=\"font-size:30px\" class=\"wp-block-table\"><table class=\"has-light-green-cyan-background-color has-background has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Which Grade Should You Pick? <br>P20 for speed &amp; cost \u00b7 H13 for volume &amp; finish<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">If you need a mould quickly, at a lower cost, for regular <a href=\"https:\/\/www.viratsteels.com\/\" target=\"_blank\" rel=\"noopener\">plastics <\/a>and medium production, go with P20.But if you\u2019re producing in high volumes, using abrasive or glass-filled materials, or need a long-lasting, mirror-finish mould (over 10 lakh shots), choose H13.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\" style=\"font-size:24px\">Industry Applications in India<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Both P20 and H13 are widely used across India&#8217;s <a href=\"https:\/\/www.viratsteels.com\/\" target=\"_blank\" rel=\"noopener\">plastics and automotive tooling industry<\/a>. Here&#8217;s where each grade dominates:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>Industry<\/strong><\/th><th><strong>Recommended Grade<\/strong><\/th><th><strong>Reason<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong>Automotive<\/strong><\/td><td>H13<\/td><td>High volume, tight tolerances, long mould life<\/td><\/tr><tr><td><strong>Consumer Appliances<\/strong><\/td><td>P20<\/td><td>Medium run, cost-sensitive, faster delivery<\/td><\/tr><tr><td><strong>Packaging (Caps &amp; Closures)<\/strong><\/td><td>H13<\/td><td>Very high shot count, abrasion resistance<\/td><\/tr><tr><td><strong>Electronics Housing<\/strong><\/td><td>P20 \/ H13<\/td><td>Depends on run volume and finish requirements<\/td><\/tr><tr><td><strong>Medical Device Components<\/strong><\/td><td>H13 (ESR Grade)<\/td><td>Mirror finish, cleanliness, long run<\/td><\/tr><tr><td><strong>Soft Tooling<\/strong><\/td><td>P20<\/td><td>Quick machining, lower cost, short lead time<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Both P20 Vs H13 have their place in mould manufacturing\u2014but the choice depends on your production goals:<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <a href=\"https:\/\/www.viratsteels.com\/p20.html\" target=\"_blank\" rel=\"noopener\">P20 <\/a>= Cost-effective + faster production<\/h4>\n\n\n\n<h4 class=\"wp-block-heading\">\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <a href=\"https:\/\/www.viratsteels.com\/p20.html\" target=\"_blank\" rel=\"noopener\">H13 <\/a>= Long life + high performance<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">Sourcing P20 Vs H13 in India<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Virat Special Steels stocks both <a href=\"https:\/\/www.viratsteels.com\/p20.html\" target=\"_blank\" rel=\"noopener\">P20 <\/a>and <a href=\"https:\/\/www.viratsteels.com\/h13.html\" target=\"_blank\" rel=\"noopener\">H13 <\/a>in ready inventory \u2014 supplied with full mill test certificates, hardness test reports, and chemical analysis. Available in round bars, flat bars, and pre-machined blocks across a wide size range.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-light-green-cyan-background-color has-background has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Need <a href=\"https:\/\/www.viratsteels.com\/p20.html\" target=\"_blank\" rel=\"noopener\">P20 <\/a>Vs <a href=\"https:\/\/www.viratsteels.com\/h13.html\" target=\"_blank\" rel=\"noopener\">H13 <\/a>for Your Next Mould?<\/strong><br> Get a fast quote \u2014 certified stock, ready to dispatch across India<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">Contact our team to get more details about available sizes and technical specifications suitable for your applications.<\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\"><a href=\"https:\/\/www.viratsteels.com\/db6.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.viratsteels.com\/products.html<\/a>               <a href=\"mailto:info@viratsteels.com\" target=\"_blank\" rel=\"noreferrer noopener\">info@viratsteels.com<\/a> <strong>+91 98140-21775<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\" style=\"font-size:28px\"><strong>Frequently Asked Questions<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Which is better for long-run plastic moulds, P20 Vs H13?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;H13 \u2014 higher hardness, wear resistance, and heat tolerance make it ideal for long runs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. What is the difference between P20 Vs H13?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P20: Pre-hardened, easier to machine, lower cost \u2014 best for short\/medium runs. H13: Heat-treated, stronger, better for high-temp and high-volume applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Is H13 worth the higher cost?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yes \u2014 for high-volume production, H13 delivers better ROI over time.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. When should you choose P20 over H13?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When volume is low\/medium, budget is tight, or faster machining\/delivery is needed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Which is better for high-temperature injection molding?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H13 \u2014 superior thermal fatigue resistance handles higher temps without deformation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Can P20 be used for long-run moulds?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yes, but it wears faster with abrasive materials and isn&#8217;t ideal for very long runs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7. Which industries prefer H13?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Automotive, electronics, and high-volume packaging \u2014 anywhere durability matters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>8. What&#8217;s the cost difference?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P20: Lower upfront. H13: Higher initial cost, but better long-term value.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>9. Best steel for 1 million cycle production?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;H13 \u2014 built to withstand extended wear, heat, and stress over massive run counts.<\/p>\n\n\n","protected":false},"excerpt":{"rendered":"<p>A practical, application-first guide for mould makers, tool rooms, and procurement teams choosing between&nbsp; two most popular plastic mould steel grades. Choosing the wrong mould steel doesn&#8217;t just cost money \u2014 it costs production runs, surface finish quality, and mould life. Here&#8217;s how to pick the right one. At a Glance: P20 vs H13 The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":907,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":"[]"},"categories":[100,101,18,14,23],"tags":[194,193,39,48,29],"class_list":["post-906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-die-steel-h13","category-die-steel-h13-supplier","category-plastic-mold-steel","category-tool-steel","category-virat-special-steels","tag-p20","tag-plastic-mold-steel-supplier-in-india","tag-hot-work-steels","tag-hot-work-tool-steel-in-india","tag-virat-special-steels"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/posts\/906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/comments?post=906"}],"version-history":[{"count":8,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/posts\/906\/revisions"}],"predecessor-version":[{"id":1391,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/posts\/906\/revisions\/1391"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/media\/907"}],"wp:attachment":[{"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/media?parent=906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/categories?post=906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.viratsteel.in\/blog\/wp-json\/wp\/v2\/tags?post=906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}