{"id":3883,"date":"2024-03-18T06:10:10","date_gmt":"2024-03-18T06:10:10","guid":{"rendered":"https:\/\/3dp.45612300.xyz\/product\/stainless-steel-op431-powder\/"},"modified":"2024-03-18T06:10:10","modified_gmt":"2024-03-18T06:10:10","slug":"stainless-steel-op431-powder","status":"publish","type":"product","link":"https:\/\/3dpmetal.com\/vi\/product\/stainless-steel-op431-powder\/","title":{"rendered":"Stainless Steel OP431 Powder"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"><\/p>\n<h2>Overview of Stainless Steel OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 stainless steel belongs to the ferritic grade steels which contain chromium as the principal alloying element. The addition of aluminum enhances oxidation and corrosion resistance at high temperatures.<\/p>\n<p class=\"whitespace-pre-wrap\">Key characteristics of OP431 powder include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Excellent oxidation and corrosion resistance up to 1150\u00a1\u00abC<\/li>\n<li class=\"whitespace-normal\">Good creep resistance and thermal fatigue strength<\/li>\n<li class=\"whitespace-normal\">Excellent thermo-mechanical stability<\/li>\n<li class=\"whitespace-normal\">High thermal conductivity and low thermal expansion<\/li>\n<li class=\"whitespace-normal\">Cost-effective compared to austenitic stainless steels<\/li>\n<li class=\"whitespace-normal\">C\u00f3 s\u1eb5n \u1edf nhi\u1ec1u ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t kh\u00e1c nhau<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">OP431 powder is ideal for applications requiring oxidation resistance, thermal stability and moderate strength at elevated temperatures.<\/p>\n<h2>Chemical Composition of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 powder has the following nominal composition:<\/p>\n<table>\n<thead>\n<tr>\n<th>Nguy\u00ean t\u1ed1<\/th>\n<th>T\u1ec9 tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Iron (Fe)<\/td>\n<td>S\u1ef1 c\u00e2n b\u1eb1ng<\/td>\n<\/tr>\n<tr>\n<td>Crom (Cr)<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Nh\u00f4m (Al)<\/td>\n<td>3-5%<\/td>\n<\/tr>\n<tr>\n<td>Yttrium (Y)<\/td>\n<td>0.2-0.5%<\/td>\n<\/tr>\n<tr>\n<td>Carbon (C)<\/td>\n<td>T\u1ed1i \u0111a 0,03%<\/td>\n<\/tr>\n<tr>\n<td>Silic (Si)<\/td>\n<td>T\u1ed1i \u0111a 1%<\/td>\n<\/tr>\n<tr>\n<td>Mangan (Mn)<\/td>\n<td>T\u1ed1i \u0111a 1%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1397 aligncenter\" src=\"https:\/\/met3dp.com\/wp-content\/uploads\/2023\/09\/Mo-300x225.jpg\" alt=\"Stainless Steel OP431 Powder\" width=\"300\" height=\"225\" title=\"\"><\/p>\n<p class=\"whitespace-pre-wrap\">Chromium provides corrosion resistance while aluminum enables excellent oxidation resistance through formation of a protective alumina layer at high temperatures. Yttrium refines the grain size for additional strength.<\/p>\n<h2>Properties of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Key properties of OP431 powder include:<\/p>\n<table>\n<thead>\n<tr>\n<th>B\u1ea5t \u0111\u1ed9ng s\u1ea3n<\/th>\n<th>Gi\u00e1 tr\u1ecb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1eadt \u0111\u1ed9<\/td>\n<td>7.3 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>\u0110i\u1ec3m N\u00f3ng Ch\u1ea3y<\/td>\n<td>1400-1450\u00abC<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 d\u1eabn nhi\u1ec7t<\/td>\n<td>29 W\/mK<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 \u0111i\u1ec7n tr\u1edf<\/td>\n<td>0.6 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<\/tr>\n<tr>\n<td>M\u00f4-\u0111un Young<\/td>\n<td>200 GPa<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 s\u1ed1 Poisson<\/td>\n<td>0.27-0.30<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n k\u00e9o<\/td>\n<td>450-650 MPa<\/td>\n<\/tr>\n<tr>\n<td>C\u01b0\u1eddng \u0111\u1ed9 ch\u1ea3y<\/td>\n<td>280-480 MPa<\/td>\n<\/tr>\n<tr>\n<td>Ke\u0301o da\u0300i<\/td>\n<td>15-20%<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u00f4xi h\u00f3a<\/td>\n<td>Ho\u1ea1t \u0111\u1ed9ng c\u1ef1c t\u1ed1t l\u00ean t\u1edbi 1150 \u0111\u1ed9 C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p class=\"whitespace-pre-wrap\">The properties like high temperature strength, oxidation resistance, and thermal stability make OP431 suitable for demanding applications.<\/p>\n<h2>Production Method for OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 powder can be produced via:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>Gas atomization translated to Vietnamese would be \"Ph\u00e2n t\u1eed ho\u00e1 kh\u00ed.\"<\/strong>?- High pressure inert gas used to atomize the molten alloy resulting in fine spherical powder ideal for AM.<\/li>\n<li class=\"whitespace-normal\"><strong>Nguy\u00ean t\u1eed h\u00f3a n\u01b0\u1edbc<\/strong>?- High velocity water jet breaks up the molten stream producing irregular powder particles. Lower cost but higher oxygen pickup.<\/li>\n<li class=\"whitespace-normal\"><strong>H\u1ee3p kim c\u01a1 h\u1ecdc<\/strong>- Nghi\u1ec1n vi\u00ean bi h\u1ed7n h\u1ee3p b\u1ed9t nguy\u00ean t\u1ed1 sau \u0111\u00f3 thi\u00eau k\u1ebft v\u00e0 nguy\u00ean t\u1eed h\u00f3a th\u1ee9 c\u1ea5p.<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Gas atomization allows excellent control over particle size distribution, morphology, oxygen pickup and microstructure.<\/p>\n<h2>Applications of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Typical applications of OP431 powder include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>s\u1ea3n xu\u1ea5t b\u1ed3i \u0111\u1eafp<\/strong>?- Selective laser melting to produce complex parts needing high temperature oxidation resistance.<\/li>\n<li class=\"whitespace-normal\"><strong>L\u1edbp ph\u1ee7 phun nhi\u1ec7t<\/strong>?- Applied via arc spraying to provide protective coatings on components operating at over 1000\u00a1\u00abC.<\/li>\n<li class=\"whitespace-normal\"><strong>Ch\u1ea5t \u0111\u1ed9n h\u00e0n<\/strong>?- For joining ferritic stainless steel parts in high temperature applications.<\/li>\n<li class=\"whitespace-normal\"><strong>B\u1ed9 \u0111\u00e1nh l\u1eeda nhi\u00ean li\u1ec7u r\u1eafn<\/strong>?- Powder metallurgy igniter plugs used in industrial furnaces and turbines.<\/li>\n<li class=\"whitespace-normal\"><strong>Gia c\u00f4ng kim lo\u1ea1i n\u00f3ng ch\u1ea3y<\/strong>?- Powder metallurgy conveyor rolls, tundishes and ladles used in molten metal handling.<\/li>\n<\/ul>\n<h2>Specifications of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 powder is available under various size ranges, shapes and grades:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>K\u00edch th\u01b0\u1edbc h\u1ea1t:<\/strong>T\u1eeb 15-45 \u00b5m cho c\u00e1c ph\u01b0\u01a1ng ph\u00e1p AM, l\u00ean \u0111\u1ebfn 150 \u00b5m cho quy tr\u00ecnh phun nhi\u1ec7t.<\/li>\n<li class=\"whitespace-normal\"><strong>H\u00ecnh th\u00e1i h\u1ecdc:<\/strong>?Spherical, irregular and blended shapes. Spherical powder has excellent flowability.<\/li>\n<li class=\"whitespace-normal\"><strong>\u0110\u1ed9 tinh khi\u1ebft:<\/strong>?From commercial to high purity grades based on application requirements.<\/li>\n<li class=\"whitespace-normal\"><strong>H\u00e0m l\u01b0\u1ee3ng oxy:<\/strong>?Levels maintained below 2000 ppm for most applications.<\/li>\n<li class=\"whitespace-normal\"><strong>Flow Rate:<\/strong>?Powder can be customized for flow rates above 25 s\/50 g.<\/li>\n<\/ul>\n<h2>Global Suppliers of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Some of the major global suppliers of OP431 powder include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Sandvik Osprey (Anh)<\/li>\n<li class=\"whitespace-normal\">Hoganas (Th\u1ee5y \u0110i\u1ec3n)<\/li>\n<li class=\"whitespace-normal\">Carpenter Powder Products (USA)<\/li>\n<li class=\"whitespace-normal\">Praxair Surface Technologies (USA)<\/li>\n<li class=\"whitespace-normal\">CNPC Powder Group (Trung Qu\u1ed1c)<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">These companies produce various grades of OP431 powder tailored for additive manufacturing, thermal spray, powder metallurgy and other high temperature applications.<\/p>\n<h2>Pricing of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 powder is priced higher than austenitic grades but lower than exotic alloys:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\"><strong>S\u1ed1 l\u01b0\u1ee3ng<\/strong>?- $50-100 per kg for bulk orders above 500 kg. Smaller quantities are priced significantly higher.<\/li>\n<li class=\"whitespace-normal\"><strong>Quality<\/strong>?- High purity, spherical powder with controlled characteristics demands premium pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>Nh\u00e0 cung c\u1ea5p<\/strong>?- Large global suppliers offer competitive pricing owing to higher volumes.<\/li>\n<li class=\"whitespace-normal\"><strong>Geography<\/strong>?- Prices vary between regions with Europe and North America being higher priced markets.<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">For critical applications, buyers should focus on quality rather than lowest cost while procuring OP431 powder.<\/p>\n<h2>Storage and Handling of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 powder requires the following storage and handling:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">N\u00ean \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef trong c\u00e1c container k\u00edn d\u01b0\u1edbi kh\u00ed tr\u01a1 \u0111\u1ec3 ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxy h\u00f3a.<\/li>\n<li class=\"whitespace-normal\">Avoid accumulation of fine powder to minimize dust explosion risks<\/li>\n<li class=\"whitespace-normal\">Use proper PPE, ventilation, grounding and safety practices during handling<\/li>\n<li class=\"whitespace-normal\">Ng\u0103n ng\u1eeba b\u1ed9t ti\u1ebfp x\u00fac v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00f4ng t\u01b0\u01a1ng h\u1ee3p<\/li>\n<li class=\"whitespace-normal\">Follow safety guidelines provided by supplier SDS<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Proper protective measures must be taken when handling this reactive alloy powder.<\/p>\n<h2>Inspection and Testing of OP431 Powder<\/h2>\n<p class=\"whitespace-pre-wrap\">Key quality control tests performed on OP431 powder include:<\/p>\n<ul class=\"list-disc pl-8 space-y-2\">\n<li class=\"whitespace-normal\">Ph\u00e2n t\u00edch h\u00f3a h\u1ecdc s\u1eed d\u1ee5ng OES ho\u1eb7c XRF \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o h\u1ee3p ch\u1ea5t \u0111\u1ea1t trong gi\u1edbi h\u1ea1n ch\u1ec9 \u0111\u1ecbnh<\/li>\n<li class=\"whitespace-normal\">Ph\u00e2n b\u1ed1 k\u00edch th\u01b0\u1edbc h\u1ea1t theo ti\u00eau chu\u1ea9n ASTM B822<\/li>\n<li class=\"whitespace-normal\">Ph\u00e2n t\u00edch h\u00ecnh th\u00e1i qua SEM<\/li>\n<li class=\"whitespace-normal\">Powder flow rate measured as per ASTM B213 standard<\/li>\n<li class=\"whitespace-normal\">Oxygen and nitrogen content testing by inert gas fusion<\/li>\n<li class=\"whitespace-normal\">Density determined by helium pycnometry<\/li>\n<li class=\"whitespace-normal\">Microstructure characterization by XRD<\/li>\n<\/ul>\n<p class=\"whitespace-pre-wrap\">Thorough testing ensures the powder meets the required chemical, physical and microstructural characteristics for the intended application.<\/p>\n<h2>Comparison Between OP431 and 316L Stainless Steel Powders<\/h2>\n<p class=\"whitespace-pre-wrap\">OP431 and 316L stainless steel powders are compared:<\/p>\n<table>\n<thead>\n<tr>\n<th>Tham s\u1ed1<\/th>\n<th>OP431<\/th>\n<th>316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Type<\/td>\n<td>Ferritic<\/td>\n<td>Austenitic<\/td>\n<\/tr>\n<tr>\n<td>H\u00e0m l\u01b0\u1ee3ng Cr<\/td>\n<td>16-18%<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Ni content<\/td>\n<td>&#8211;<\/td>\n<td>10-14%<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n \u1edf nhi\u1ec7t \u0111\u1ed9 cao<\/td>\n<td>Cao h\u01a1n<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n<\/td>\n<td>V\u1eeba \u0111\u1ee7<\/td>\n<td>Xu\u1ea5t s\u1eafc<\/td>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>Cao h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>\u1ee8NG D\u1ee4NG<\/td>\n<td>Thermal spray, igniters<\/td>\n<td>\u00d4 t\u00f4, x\u00e2y d\u1ef1ng<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng h\u00e0n<\/td>\n<td>Y\u1ebfu<\/td>\n<td>Xu\u1ea5t s\u1eafc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p class=\"whitespace-pre-wrap\">OP431 offers much better high temperature strength whereas 316L provides excellent fabrication characteristics and corrosion resistance.<\/p>\n<h2>OP431 Powder FAQs<\/h2>\n<p class=\"whitespace-pre-wrap\"><strong>Q: How is OP431 powder produced?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: OP431 powder is commercially produced using gas atomization, water atomization, and mechanical alloying followed by sintering. Gas atomization provides the best control of powder characteristics.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: What are the main applications of OP431 powder?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Key applications include thermal spray coatings, additive manufacturing, brazing filler, powder metallurgy igniter plugs, and high temperature molten metal handling components where oxidation resistance is needed.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: What is the typical OP431 powder size range used in metal AM?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: For most metal AM processes, the ideal OP431 powder size range is 15-45 microns with spherical morphology and good powder flow characteristics.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Does OP431 powder require any special handling precautions?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: Yes, it is recommended to handle this reactive powder carefully under inert atmosphere using proper ventilation, grounding, and PPE.<\/p>\n<p class=\"whitespace-pre-wrap\"><strong>Q: Where can I purchase OP431 powder suitable for thermal spray coatings?<\/strong><\/p>\n<p class=\"whitespace-pre-wrap\">A: For thermal spray applications requiring high temperature oxidation resistance, OP431 powder can be purchased from leading manufacturers including Sandvik Osprey, Hoganas, Praxair Surface Technologies, and CNPC Powder Group.<\/p>\n<p><\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>Overview of Stainless Steel OP431 Powder OP431 stainless steel belongs to the ferritic grade steels which contain chromium as the principal alloying element. The addition of aluminum enhances oxidation and corrosion resistance at high temperatures. Key characteristics of OP431 powder include: Excellent oxidation and corrosion resistance up to 1150\u00a1\u00abC Good creep resistance and thermal fatigue&#8230;<\/p>","protected":false},"featured_media":1770,"parent":0,"template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_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,"_kad_post_classname":""},"product-category":[119,122],"class_list":["post-3883","product","type-product","status-publish","has-post-thumbnail","hentry","product-category-3d-printing-metal-powder","product-category-iron-based-alloy-powder"],"acf":[],"taxonomy_info":{"product-category":[{"value":119,"label":"3D Printing Metal Powder"},{"value":122,"label":"Iron Based Alloy Powder"}]},"featured_image_src_large":["https:\/\/3dpmetal.com\/wp-content\/uploads\/2024\/02\/Stainless-Steel-OP431-Powder.jpg",600,600,false],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/3dpmetal.com\/vi\/wp-json\/wp\/v2\/product\/3883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/vi\/wp-json\/wp\/v2\/media\/1770"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/vi\/wp-json\/wp\/v2\/media?parent=3883"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/vi\/wp-json\/wp\/v2\/product-category?post=3883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}