{"id":11868,"date":"2022-08-12T11:35:40","date_gmt":"2022-08-12T11:35:40","guid":{"rendered":"https:\/\/staging.asminternational.org\/hts-new\/one-minute-mentor-salt-bath-furnaces\/"},"modified":"2023-02-23T22:49:03","modified_gmt":"2023-02-23T22:49:03","slug":"one-minute-mentor-salt-bath-furnaces","status":"publish","type":"post","link":"https:\/\/www.asminternational.org\/hts\/one-minute-mentor-salt-bath-furnaces\/","title":{"rendered":"One Minute Mentor: Salt Bath Furnaces"},"content":{"rendered":"<p>Molten salts of various compositions are well adapted to all operations in the heat treatment of tool steels. For tools that cannot be ground after hardening or for tools that require an excellent surface condition and the maintenance of sharp edges, salt bath heating provides excellent results.&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>These salt baths contain different compositions of BaCl2, NaCl2, and KCl as well as additional additives to avoid decarburization. The higher the working temperature, the higher the content of BaCl2 usually is. Higher additions of CaCl2 are typically used in salt baths for the quenching step. The salt bath method of hardening is predominant with high-speed steel tools. With correct operating conditions, tools can be heat treated without carburization, decarburization, and scaling. The surface will be fully hard with a minimum of distortion. The four types of salt baths generally used are preheating baths, high-temperature baths, quenching baths, and tempering baths.<\/p>\n<p>&nbsp;<\/p>\n<p>For more information, click on the link below (subscription required). Then scroll to Figure 1.<\/p>\n<p>R. Schneider ; R. Mesquita ; H. Altena ; T. M\u00fcller ; P. Seemann,Processes and Furnace Equipment for Heat Treating of Tool Steels, ASM International, 2014, <a href=\"https:\/\/doi.org\/10.31399\/asm.hb.v04d.a0005958\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.31399\/asm.hb.v04d.a0005958<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Molten salts of various compositions are well adapted to all operations in the heat treatment of tool steels. For tools that cannot be ground after hardening or for tools that require an excellent surface condition and the maintenance of sharp edges, salt bath heating provides excellent results.<\/p>\n","protected":false},"author":63103,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[448,466,445,454,440,441,1],"tags":[],"class_list":["post-11868","post","type-post","status-publish","format-standard","hentry","category-materials-processing-and-treatment","category-materials-properties-and-performance","category-materials-testing-and-evaluation","category-metals-and-alloys","category-news","category-news-articles","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>One Minute Mentor: Salt Bath Furnaces - Heat Treating Society<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.asminternational.org\/hts\/results\/-\/journal_content\/56\/10192\/49475553\/NEWS\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"One Minute Mentor: Salt Bath Furnaces - Heat Treating Society\" \/>\n<meta property=\"og:description\" content=\"Molten salts of various compositions are well adapted to all operations in the heat treatment of tool steels. For tools that cannot be ground after hardening or for tools that require an excellent surface condition and the maintenance of sharp edges, salt bath heating provides excellent results.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.asminternational.org\/hts\/results\/-\/journal_content\/56\/10192\/49475553\/NEWS\/\" \/>\n<meta property=\"og:site_name\" content=\"Heat Treating Society\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-12T11:35:40+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-02-23T22:49:03+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/results\\\/-\\\/journal_content\\\/56\\\/10192\\\/49475553\\\/NEWS\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/results\\\/-\\\/journal_content\\\/56\\\/10192\\\/49475553\\\/NEWS\\\/\"},\"author\":{\"name\":\"\",\"@id\":\"\"},\"headline\":\"One Minute Mentor: Salt Bath Furnaces\",\"datePublished\":\"2022-08-12T11:35:40+00:00\",\"dateModified\":\"2023-02-23T22:49:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/results\\\/-\\\/journal_content\\\/56\\\/10192\\\/49475553\\\/NEWS\\\/\"},\"wordCount\":202,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/#organization\"},\"articleSection\":[\"Materials Processing and Treatment\",\"Materials Properties and Performance\",\"Materials Testing and Evaluation\",\"Metals and Alloys\",\"news\",\"News Articles\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/results\\\/-\\\/journal_content\\\/56\\\/10192\\\/49475553\\\/NEWS\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/results\\\/-\\\/journal_content\\\/56\\\/10192\\\/49475553\\\/NEWS\\\/\",\"url\":\"https:\\\/\\\/www.asminternational.org\\\/hts\\\/results\\\/-\\\/journal_content\\\/56\\\/10192\\\/49475553\\\/NEWS\\\/\",\"name\":\"One Minute Mentor: Salt Bath Furnaces - 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