{"id":75499,"date":"2017-12-18T05:46:56","date_gmt":"2017-12-18T05:46:56","guid":{"rendered":"http:\/\/ptfe-machinery.com\/?p=75499"},"modified":"2026-05-14T02:36:59","modified_gmt":"2026-05-14T02:36:59","slug":"hot-extrusion-vs-cold-extrusion-process","status":"publish","type":"post","link":"https:\/\/ptfe-machinery.com\/ru\/hot-extrusion-vs-cold-extrusion-process\/","title":{"rendered":"Hot extrusion vs cold extrusion Process"},"content":{"rendered":"

Hot extrusion<\/strong> is a hot working process, which means it is done above the material’s recrystallization temperature to keep the material from work hardening and to make it easier to push the material through the die. Most hot extrusions are done on horizontal hydraulic presses that range from 230 to 11,000 metric tons . Pressures range from 30 to 700 MPa , therefore lubrication is required, which can be oil or graphite for lower temperature extrusions, or glass powder for higher temperature extrusions. The biggest disadvantage of this process is its cost for machinery and its upkeep.<\/p>\n

The ram extrusion machine<\/span><\/a> process is generally economical when producing between several kilograms and many tons, depending on the material being extruded. There is a crossover point where roll forming becomes more economical. For instance, some steels become more economical to roll if producing more than 20,000 kg.<\/p>\n

Cold extrusion<\/strong> is done at room temperature or near room temperature. The advantages of this over hot extrusion are the lack of oxidation, higher strength due to cold working, closer tolerances, better surface finish, and fast extrusion speeds if the material is subject to hot shortness.<\/p>\n

Materials that are commonly cold extruded include: lead, tin, aluminum, copper, zirconium, titanium, molybdenum, beryllium, vanadium, niobium, and steel.<\/p>\n

Examples of products produced by this process are: collapsible tubes, fire extinguisher cases, shock absorber cylinders and gear blanks.<\/p>\n

If you want to know more, you can WhatsApp me on +8619975113419<\/span><\/a> to discuss with me.<\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

Hot extrusion is a hot working process, which means it is done above the material’s recrystallization temperature to keep the material from work hardening and …<\/p>","protected":false},"author":1,"featured_media":75115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[145,144],"class_list":["post-75499","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-extruder-machine","tag-cold-extrusion","tag-hot-extrusion"],"yoast_head":"\nHot extrusion vs cold extrusion Process - PTFE Machinery<\/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:\/\/ptfe-machinery.com\/ru\/hot-extrusion-vs-cold-extrusion-process\/\" \/>\n<meta property=\"og:locale\" content=\"ru_RU\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hot extrusion vs cold extrusion Process\" \/>\n<meta property=\"og:description\" content=\"Hot extrusion is a hot working process, which means it is done above the material’s recrystallization temperature to keep the material from work hardening and …\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ptfe-machinery.com\/ru\/hot-extrusion-vs-cold-extrusion-process\/\" \/>\n<meta property=\"og:site_name\" content=\"PTFE Machinery\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/sukopolymer\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-12-18T05:46:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-05-14T02:36:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ptfe-machinery.com\/wp-content\/uploads\/2015\/03\/tube-2-855-594.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"855\" \/>\n\t<meta property=\"og:image:height\" content=\"594\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"ptfe-machinery\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u041d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u0430\u0432\u0442\u043e\u0440\u043e\u043c\" \/>\n\t<meta name=\"twitter:data1\" content=\"ptfe-machinery\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u041f\u0440\u0438\u043c\u0435\u0440\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u043c\u0438\u043d\u0443\u0442\u0430\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/\"},\"author\":{\"name\":\"ptfe-machinery\",\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/#\\\/schema\\\/person\\\/5aa170b8f40d7008a443d610525477e7\"},\"headline\":\"Hot extrusion vs cold extrusion Process\",\"datePublished\":\"2017-12-18T05:46:56+00:00\",\"dateModified\":\"2026-05-14T02:36:59+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/\"},\"wordCount\":244,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/ptfe-machinery.com\\\/wp-content\\\/uploads\\\/2015\\\/03\\\/tube-2-855-594.jpg\",\"keywords\":[\"Cold extrusion\",\"Hot extrusion\"],\"articleSection\":[\"Extruder Machine\"],\"inLanguage\":\"ru-RU\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/\",\"url\":\"https:\\\/\\\/ptfe-machinery.com\\\/hot-extrusion-vs-cold-extrusion-process\\\/\",\"name\":\"Hot extrusion vs cold extrusion Process - 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