{"id":2894,"date":"2023-08-14T21:32:16","date_gmt":"2023-08-14T13:32:16","guid":{"rendered":"http:\/\/192.168.1.56:211\/tool-steel-heat-treatment-techniques-for-optimal-performance\/"},"modified":"2023-08-15T14:55:37","modified_gmt":"2023-08-15T06:55:37","slug":"tool-steel-heat-treatment-techniques-for-optimal-performance","status":"publish","type":"post","link":"http:\/\/192.168.1.56:211\/tool-steel-heat-treatment-techniques-for-optimal-performance\/","title":{"rendered":"Tool Steel Heat Treatment Techniques for Optimal Performance"},"content":{"rendered":"<div class=\"sc-293ea645-3 bLDPnC \n  ReactMarkdown\n  rounded-xl\n  px-3\n  py-2\n  break-words\n  text-stone-900\n  transition-all\n  grid\n  gap-3\n  grid-cols-1\n  max-w-[75ch]\n  bg-white place-self-start\n  \"><\/p>\n<div class=\"contents\">\n<h1><a href=\"http:\/\/192.168.1.56:211\/products\/\" target=\"_blank\">Tool Steel<\/a> Heat Treatment Techniques for Optimal Performance<\/h1>\n<h2>Introduction<\/h2>\n<p class=\"whitespace-pre-wrap\">Tool steels refer to a variety of alloy steels engineered to produce tools for cutting, forming and shaping applications. The unique properties of tool steels are only realized through specialized heat treatment techniques involving hardening and tempering.<\/p>\n<p class=\"whitespace-pre-wrap\">Proper heat treatment develops the necessary hardness, strength, and microstructure required for tool steel components to endure tremendous loads and temperatures. This article provides an in-depth look at the critical aspects of heat treating tool steels for achieving optimal properties and performance.<\/p>\n<h2>Objectives of Tool Steel Heat Treatment<\/h2>\n<p class=\"whitespace-pre-wrap\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-2946 aligncenter\" src=\"http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/tool-steel-300x170.jpg\" alt=\"\" width=\"569\" height=\"323\" srcset=\"http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/tool-steel-300x170.jpg 300w, http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/tool-steel-18x10.jpg 18w, http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/tool-steel.jpg 683w\" sizes=\"(max-width: 569px) 100vw, 569px\" \/>The primary goals of tool steel heat treatment are:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Produce a very hard martensitic structure through rapid quenching<\/li>\n<li class=\"whitespace-normal\">Reduce brittleness and improve ductility\/toughness with tempering<\/li>\n<li class=\"whitespace-normal\">Develop a uniform hardness profile from surface to core<\/li>\n<li class=\"whitespace-normal\">Attain dimensional stability for precision grinding<\/li>\n<li class=\"whitespace-normal\">Control stresses to avoid cracking or distortion issues<\/li>\n<li class=\"whitespace-normal\">Obtain optimal microstructure for combination of hardness and toughness<\/li>\n<li class=\"whitespace-normal\">Achieve reproducibility and consistency heat after heat<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Careful control of time, temperature, quenchant and workflow is necessary to properly develop tool steel properties.<\/p>\n<h2>Fundamentals of Tool Steel Metallurgy<\/h2>\n<p class=\"whitespace-pre-wrap\">Understanding tool steel metallurgy is key to heat treatment success:<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Phase Transformations<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Austenitizing forms austenite which transforms to martensite upon quenching<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Hardening Mechanisms<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Rapid quenching forms very hard martensitic microstructure<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Tempering Reactions<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Tempering reduces brittleness and improves toughness<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>TTT and CCT Diagrams<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Show phase and microstructure changes with time and temperature<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Alloy Carbides<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Carbides provide wear resistance and help maintain hardness<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">With this critical metallurgy knowledge, optimal hardening and tempering parameters can be selected.<\/p>\n<h2>Importance of Heat Treating Environment<\/h2>\n<p class=\"whitespace-pre-wrap\">The heat treating atmosphere can significantly impact tool steel properties:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Vacuum furnaces<\/strong> \u2013 Eliminate decarburization and oxidation for repeatability<\/li>\n<li class=\"whitespace-normal\"><strong>Inert gas atmospheres<\/strong> \u2013 Prevent surface reactions for consistency<\/li>\n<li class=\"whitespace-normal\"><strong>Salt baths<\/strong> \u2013 Allow rapid heating and cooling while protecting parts<\/li>\n<li class=\"whitespace-normal\"><strong>Controlled atmospheres<\/strong> \u2013 Reduce carbon loss and scaling for improved response<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">The proper environment helps ensure tool steels achieve their full hardness and durability potential during heat treatment.<\/p>\n<h2><a href=\"http:\/\/192.168.1.56:211\/products\/\" target=\"_blank\">Tool Steel<\/a> Hardening Methods<\/h2>\n<p class=\"whitespace-pre-wrap\">Hardening involves austenitizing followed by rapid cooling or quenching:<\/p>\n<h3>Austenitizing<\/h3>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Heating above upper critical temperature to form austenite<\/li>\n<li class=\"whitespace-normal\">May use vacuum, inert gas or controlled atmosphere<\/li>\n<\/ul>\n<h3>Quenching<\/h3>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Rapid cooling to transform austenite into very hard martensite<\/li>\n<li class=\"whitespace-normal\">Quenchant types include oils, polymers, water, air or gas<\/li>\n<\/ul>\n<h3>Straightening<\/h3>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Dimensions often change due to stresses from phase changes<\/li>\n<li class=\"whitespace-normal\">Straightening done with presses or fixtures after hardening<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Each tool steel has specific hardening parameters tailored to its unique alloy content.<\/p>\n<h2>Key Aspects of Successful <a href=\"http:\/\/192.168.1.56:211\/products\/\" target=\"_blank\">Tool Steel<\/a> Hardening<\/h2>\n<p class=\"whitespace-pre-wrap\">Careful control of hardening variables is crucial:<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Temperature Uniformity<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Ensure consistent heating and soaking to avoid property variations<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Quenchant Selection<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Quenchant must suit steel grade and section size to provide proper cooling<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Avoiding Cracks<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Control quenchant agitation and severity to prevent thermal shock<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Optimizing Carbide Dissolution<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Balance time and temperature to dissolve carbides while limiting grain growth<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Preventing Decarburization<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Use protective atmosphere furnaces or sealed quench systems<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Monitoring Distortion<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Fixtures and supports may be needed to minimize dimensional changes<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Tool steel hardening necessitates tight control of these and other factors to achieve success.<\/p>\n<h2>Tempering of <a href=\"http:\/\/192.168.1.56:211\/products\/\" target=\"_blank\">Tool Steels<\/a><\/h2>\n<p class=\"whitespace-pre-wrap\">Tempering involves reheating quenched tool steel to intermediary temperatures to impart ductility:<\/p>\n<h3>Objectives<\/h3>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Adjust hardness to final requirements<\/li>\n<li class=\"whitespace-normal\">Reduce brittleness from quenching<\/li>\n<li class=\"whitespace-normal\">Allow some stress relief<\/li>\n<\/ul>\n<h3>Process<\/h3>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Tempering from 400-1200\u00b0F depending on properties wanted<\/li>\n<li class=\"whitespace-normal\">Air cool, or quickly cool with forced air or oil<\/li>\n<li class=\"whitespace-normal\">Often done in multiple draws at progressively higher temperatures<\/li>\n<\/ul>\n<h3>Effects<\/h3>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Tempering reduces hardness while improving toughness and strength<\/li>\n<li class=\"whitespace-normal\">Fine tuning of properties for specific tool requirements<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Like hardening, precise tempering procedures are tailored for each unique tool steel composition.<\/p>\n<h2>Key Aspects of Effective Tool Steel Tempering<\/h2>\n<p class=\"whitespace-pre-wrap\">Critical tempering process controls include:<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Temperature Uniformity<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Ensure consistent heating and soaking to prevent uneven properties<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Tempering Sequence<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">For some steels, a series of increasing temperature tempers is needed<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Cooling Rate<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">For certain alloys, cooling rate from tempering temperature impacts properties<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Dimensional Changes<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Carefully manage stresses and distortion during tempering<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">** Prevention of Rehardening**<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Avoid overtempering which can reaustenitize and affect hardness<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\"><strong>Surface Discoloration<\/strong><\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Use protective atmospheres or oxides to prevent staining<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Proper tempering is essential for balancing hardness with toughness and ductility.<\/p>\n<h2>Heat Treating Equipment for Tool Steels<\/h2>\n<p class=\"whitespace-pre-wrap\">Common production heat treating methods include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Batch\/Box Furnaces<\/strong> \u2013 Simple and flexible for low volume tooling<\/li>\n<li class=\"whitespace-normal\"><strong>Pit\/Box Furnaces<\/strong> \u2013 Allow high volume processing; multiple temperature zones<\/li>\n<li class=\"whitespace-normal\"><strong>Fluidized Bed Furnaces<\/strong> \u2013 Bubbling gas provides rapid, uniform heating and cooling<\/li>\n<li class=\"whitespace-normal\"><strong>Vacuum Furnaces<\/strong> \u2013 Eliminate surface reactions for consistency; used for high value tools<\/li>\n<li class=\"whitespace-normal\"><strong>Induction Hardening<\/strong> \u2013 Rapid surface hardening via induction heating; allows selective hardening<\/li>\n<li class=\"whitespace-normal\"><strong>Salt Baths<\/strong> \u2013 Excellent for achieving rapid, uniform quenching; used for many tool steels<\/li>\n<li class=\"whitespace-normal\"><strong>Protective Gas Atmospheres<\/strong> \u2013 Controlled gases prevent scaling and decarburization<\/li>\n<\/ul>\n<h2>Best Practices for Optimized Tool Steel Heat Treatment<\/h2>\n<p class=\"whitespace-pre-wrap\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-2943 aligncenter\" src=\"http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/images-8.jpg\" alt=\"\" width=\"504\" height=\"504\" srcset=\"http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/images-8.jpg 225w, http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/images-8-150x150.jpg 150w, http:\/\/192.168.1.56:211\/wp-content\/uploads\/2023\/08\/images-8-12x12.jpg 12w\" sizes=\"(max-width: 504px) 100vw, 504px\" \/>Some sound heat treating practices for tool steels include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Validate all furnace thermocouples and instrumentation<\/li>\n<li class=\"whitespace-normal\">Follow AMS specifications and OEM recommendations<\/li>\n<li class=\"whitespace-normal\">Audit quality with hardness testing and microstructural analysis<\/li>\n<li class=\"whitespace-normal\">Adjust processes based on quality checks to improve performance<\/li>\n<li class=\"whitespace-normal\">Use fixtures to minimize distortion and support complex shapes<\/li>\n<li class=\"whitespace-normal\">Maintain detailed records of all heat treatment processing parameters<\/li>\n<li class=\"whitespace-normal\">Employ protective atmospheres or vacuums when possible<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Implementing robust quality practices results in the greatest tool steel heat treatment consistency and performance.<\/p>\n<h2>Common <a href=\"http:\/\/192.168.1.56:211\/products\/\" target=\"_blank\">Tool Steel<\/a> Heat Treatment Defects<\/h2>\n<p class=\"whitespace-pre-wrap\">Some potential tool steel heat treating problems include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Cracking<\/strong> \u2013 From uneven heating, improper quenchant, or excessive constraint<\/li>\n<li class=\"whitespace-normal\"><strong>Distortion<\/strong> \u2013 Due to phase transformations and uneven heating or quenching<\/li>\n<li class=\"whitespace-normal\"><strong>Soft Spots<\/strong> \u2013 Caused by decarburization, overtempering or carbide segregation<\/li>\n<li class=\"whitespace-normal\"><strong>Excessive Grain Growth<\/strong> \u2013 From overheating and slow cooling during heat treating<\/li>\n<li class=\"whitespace-normal\"><strong>Residual Stresses<\/strong> \u2013 Generated by phase changes and quenching stresses<\/li>\n<li class=\"whitespace-normal\"><strong>Temper Embrittlement<\/strong> \u2013 Embrittlement occurring from tempering at 700-850\u00b0F<\/li>\n<li class=\"whitespace-normal\"><strong>Surface Discoloration<\/strong> \u2013 Resulting from oxidation and scale formation during processing<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Understanding defect causes allows adjustments to avoid tool steel heat treatment problems.<\/p>\n<h2>Innovations in Tool Steel Heat Treating Technologies<\/h2>\n<p class=\"whitespace-pre-wrap\">New heat treating methods continue improving tool steel properties:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Computer modeling of phase transformations during heating and cooling<\/li>\n<li class=\"whitespace-normal\">Advanced instrumentation and data collection capabilities<\/li>\n<li class=\"whitespace-normal\">In-situ alloy property monitoring and feedback process control<\/li>\n<li class=\"whitespace-normal\">Intensive quenching systems for maximizing hardness in thick sections<\/li>\n<li class=\"whitespace-normal\">Specialty salt bath compositions optimized for specific tool steels<\/li>\n<li class=\"whitespace-normal\">New polymeric quenchants with tailored cooling curves<\/li>\n<li class=\"whitespace-normal\">Localized surface hardening via lasers, induction or electron beams<\/li>\n<li class=\"whitespace-normal\">Additive manufacturing to allow complex geometries tailored for heat treatment response<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">These innovations provide engineered microstructures not possible previously.<\/p>\n<h2>Summary of Key <a href=\"http:\/\/192.168.1.56:211\/products\/\" target=\"_blank\">Tool Steel<\/a> Heat Treating Guidelines<\/h2>\n<p class=\"whitespace-pre-wrap\">In summary, critical guidelines for effective tool steel heat treatment include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Selecting parameters tailored to each grade\u2019s unique composition<\/li>\n<li class=\"whitespace-normal\">Careful preheating prior to austenitizing<\/li>\n<li class=\"whitespace-normal\">Monitoring load temperatures in multiple locations<\/li>\n<li class=\"whitespace-normal\">Using protective atmospheres or salt to minimize reactions<\/li>\n<li class=\"whitespace-normal\">Choosing quenchants with sufficient severity for full hardening<\/li>\n<li class=\"whitespace-normal\">Executing tempering sequences properly to balance properties<\/li>\n<li class=\"whitespace-normal\">Checking results with hardness testing and microstructure verification<\/li>\n<li class=\"whitespace-normal\">Making data-driven adjustments to improve reproducibility<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Following these essential heat treating principles results in maximizing tool steel performance.<\/p>\n<h2>Frequently Asked Questions<\/h2>\n<p class=\"whitespace-pre-wrap\"><strong>What are the main objectives of heat treating tool <a href=\"https:\/\/en.wikipedia.org\/wiki\/Steel\" target=\"_blank\" rel=\"noopener\">steel<\/a>s?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">The goals are to develop very high hardness through martensitic quench hardening, then temper to improve toughness and reduce brittleness. This provides an optimized combination of properties.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>What industries rely most heavily on tool steels?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">Tool steels are widely used in metalworking, aerospace, automotive, oil and gas, appliances, electronics and other manufacturing industries for all types of tooling.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>How long does a typical tool steel heat treatment cycle take?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A full heat treatment sequence including preheating, austenitizing, quenching and tempering stages can take 8-12 hours depending on the specific grade and parameters used.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>What modern innovations are improving tool steel heat treating?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">New quenchants, intense quenching methods, advanced instrumentation, modeling, additive manufacturing and more are providing greater capabilities.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Why is heat treatment done in a protective atmosphere or salt for tool steels?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">The protective conditions prevent decarburization and oxidation from affecting tool steel properties during the critical high temperature processing.<\/p>\n<p class=\"whitespace-pre-wrap\">I hope this guide to tool steel heat treatment helps provide the essential knowledge needed to properly process these critical materials for optimal performance in demanding applications! Please let me know if you have any other questions.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Tool Steel Heat Treatment Techniques for Optimal Performance Introduction Tool steels refer to a variety of alloy steels engineered to produce tools for cutting, forming and shaping applications. The unique&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2894","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":false,"author_info":{"display_name":"yiyunyingShAnDoNG","author_link":"http:\/\/192.168.1.56:211\/author\/yiyunyingshandong\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":126,"filter":"raw","cat_ID":1,"category_count":126,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/posts\/2894"}],"collection":[{"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/comments?post=2894"}],"version-history":[{"count":1,"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/posts\/2894\/revisions"}],"predecessor-version":[{"id":2987,"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/posts\/2894\/revisions\/2987"}],"wp:attachment":[{"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/media?parent=2894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/categories?post=2894"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/192.168.1.56:211\/wp-json\/wp\/v2\/tags?post=2894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}