{"id":4992,"date":"2025-06-20T10:56:45","date_gmt":"2025-06-20T05:26:45","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=4992"},"modified":"2025-07-22T11:53:53","modified_gmt":"2025-07-22T06:23:53","slug":"cyaniding","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/me\/engineering-materials\/cyaniding","title":{"rendered":"Cyaniding"},"content":{"rendered":"<p style=\"text-align: justify;\">In cyaniding a case of high hardness and wear resistance is produced on C-alloy steels. Work is immersed in molten salt bath containing NaCN which is heated to 820 &#8211; 860\u00b0C. this is usually followed by water quenching. This cyanide bath consist of 20-30%.<\/p>\n<p style=\"text-align: justify;\">The time required is 30 -90 min depending upon the depth of case which is 0.15 &#8211; 0.5 mm.<\/p>\n<p style=\"text-align: justify;\">The atomic C diffuses into steel, the work can be directly quenched as soon as it taken out of the bath, and then low-temperature tempering is done at 200\u00b0C.<\/p>\n<p style=\"text-align: justify;\"><strong> It should be noted that hardness varies in following sequences :<\/strong><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/study.madeeasy.in\/me\/engineering-materials\/nitriding\/\" target=\"_blank\" rel=\"noopener\">Nitriding<\/a> &gt; Cyaniding &gt; Carburizing<\/p>\n<p style=\"text-align: justify;\">Cyaniding is used to produce light cases on small shafts, worms, nuts, springs, pins, etc.<\/p>\n<p style=\"text-align: justify;\"><strong> Advantage :<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">Resistance to corrosion and wear is high.<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><strong> Disadvantages :<\/strong><\/p>\n<ul>\n<li style=\"text-align: justify;\">High cost.<\/li>\n<li style=\"text-align: justify;\"><a href=\"https:\/\/study.madeeasy.in\/me\/engineering-materials\/cyaniding\/\" target=\"_blank\" rel=\"noopener\">Cyaniding<\/a> bath is toxic hence the worker needs protection.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>In cyaniding a case of high hardness and wear resistance is produced on C-alloy steels. Work is immersed in molten<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1578,10],"tags":[1607,1608],"class_list":["post-4992","post","type-post","status-publish","format-standard","hentry","category-engineering-materials","category-me","tag-carburizing","tag-nitriding"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/4992","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/comments?post=4992"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/4992\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=4992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=4992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=4992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}