{"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\/cs\/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\">K dispozici v r\u016fzn\u00fdch distribuc\u00edch velikosti \u010d\u00e1stic<\/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>Element<\/th>\n<th>Hmotnostn\u00ed %<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u017delezo (Fe)<\/td>\n<td>Balance<\/td>\n<\/tr>\n<tr>\n<td>Chrom (Cr)<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Hlin\u00edk (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>Uhl\u00edk (C)<\/td>\n<td>max. 0,03 %<\/td>\n<\/tr>\n<tr>\n<td>K\u0159em\u00edk (Si)<\/td>\n<td>1 % max.<\/td>\n<\/tr>\n<tr>\n<td>Mangan (Mn)<\/td>\n<td>1 % max.<\/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>Nemovitost<\/th>\n<th>Hodnota<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hustota<\/td>\n<td>7,3 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>Teplota t\u00e1n\u00ed<\/td>\n<td>1400-1450<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 vodivost<\/td>\n<td>29 W\/mK<\/td>\n<\/tr>\n<tr>\n<td>Elektrick\u00fd odpor<\/td>\n<td>0.6 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<\/tr>\n<tr>\n<td>Young\u016fv modul<\/td>\n<td>200 GPa<\/td>\n<\/tr>\n<tr>\n<td>Poisson\u016fv pom\u011br<\/td>\n<td>0.27-0.30<\/td>\n<\/tr>\n<tr>\n<td>Pevnost v tahu<\/td>\n<td>450-650 MPa<\/td>\n<\/tr>\n<tr>\n<td>Mez kluzu<\/td>\n<td>280-480 MPa<\/td>\n<\/tr>\n<tr>\n<td>Prodlou\u017een\u00ed<\/td>\n<td>15-20%<\/td>\n<\/tr>\n<tr>\n<td>Oxida\u010dn\u00ed odolnost<\/td>\n<td>V\u00fdborn\u00e1 a\u017e do 1150 \u00a1\u00abC<\/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>Plynul\u00e1 atomizace<\/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>Atomizace vody<\/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>Mechanick\u00e9 legov\u00e1n\u00ed<\/strong>?- Mlet\u00ed sm\u011bsi prvk\u016f v kulov\u00e9m ml\u00fdnu, n\u00e1sledn\u00e9 sp\u00e9k\u00e1n\u00ed a sekund\u00e1rn\u00ed atomizace.<\/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>aditivn\u00ed v\u00fdroba<\/strong>?- Selective laser melting to produce complex parts needing high temperature oxidation resistance.<\/li>\n<li class=\"whitespace-normal\"><strong>Tepeln\u00e9 povlaky<\/strong>?- Applied via arc spraying to provide protective coatings on components operating at over 1000\u00a1\u00abC.<\/li>\n<li class=\"whitespace-normal\"><strong>P\u00e1jec\u00ed p\u0159\u00edsada<\/strong>?- For joining ferritic stainless steel parts in high temperature applications.<\/li>\n<li class=\"whitespace-normal\"><strong>Zapalova\u010de tuh\u00fdch paliv<\/strong>?- Powder metallurgy igniter plugs used in industrial furnaces and turbines.<\/li>\n<li class=\"whitespace-normal\"><strong>Zpracov\u00e1n\u00ed roztaven\u00e9ho kovu<\/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>Velikost \u010d\u00e1stic:<\/strong>?15 a\u017e 45 \u00b5m pro AM metody, a\u017e 150 \u00b5m pro procesy tepeln\u00e9ho st\u0159\u00edk\u00e1n\u00ed.<\/li>\n<li class=\"whitespace-normal\"><strong>Morfologie:<\/strong>?Sf\u00e9rick\u00e9, nepravideln\u00e9 a sm\u00ed\u0161en\u00e9 tvary. Sf\u00e9rick\u00fd pr\u00e1\u0161ek m\u00e1 vynikaj\u00edc\u00ed tekutost.<\/li>\n<li class=\"whitespace-normal\"><strong>\u010cistota:<\/strong>?From commercial to high purity grades based on application requirements.<\/li>\n<li class=\"whitespace-normal\"><strong>Obsah kysl\u00edku:<\/strong>?Hladiny udr\u017eovan\u00e9 pod 2000 ppm pro v\u011bt\u0161inu aplikac\u00ed.<\/li>\n<li class=\"whitespace-normal\"><strong>Pr\u016ftok:<\/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 (UK)<\/li>\n<li class=\"whitespace-normal\">Hoganas (\u0160v\u00e9dsko)<\/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 (\u010c\u00edna)<\/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>Mno\u017estv\u00ed<\/strong>?- $50-100 per kg for bulk orders above 500 kg. Smaller quantities are priced significantly higher.<\/li>\n<li class=\"whitespace-normal\"><strong>Kvalita<\/strong>?- High purity, spherical powder with controlled characteristics demands premium pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>Dodavatel<\/strong>?- Large global suppliers offer competitive pricing owing to higher volumes.<\/li>\n<li class=\"whitespace-normal\"><strong>Zem\u011bpis<\/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\">Aby se p\u0159ede\u0161lo oxidaci, skladuje se v zape\u010det\u011bn\u00fdch n\u00e1dob\u00e1ch s inertn\u00edm plynem<\/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\">Zabra\u0148te styku s pr\u00e1\u0161ky a nekompatibiln\u00edmi materi\u00e1ly<\/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\">Chemick\u00e1 anal\u00fdza pomoc\u00ed OES nebo XRF pro zaji\u0161t\u011bn\u00ed toho, \u017ee slo\u017een\u00ed bude spl\u0148ovat stanoven\u00e9 limity<\/li>\n<li class=\"whitespace-normal\">Distribuce velikosti \u010d\u00e1stic dle normy ASTM B822<\/li>\n<li class=\"whitespace-normal\">Morfologick\u00e1 anal\u00fdza pomoc\u00ed SEM<\/li>\n<li class=\"whitespace-normal\">Pr\u016ftok pr\u00e1\u0161ku m\u011b\u0159en\u00fd podle normy ASTM B213<\/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>Parametr<\/th>\n<th>OP431<\/th>\n<th>316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Typ<\/td>\n<td>Ferritic<\/td>\n<td>Austenitic<\/td>\n<\/tr>\n<tr>\n<td>Obsah 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>Pevnost za vysok\u00fdch teplot<\/td>\n<td>Vy\u0161\u0161\u00ed<\/td>\n<td>Niz\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Odolnost proti korozi<\/td>\n<td>St\u0159edn\u00ed<\/td>\n<td>V\u00fdborn\u00fd<\/td>\n<\/tr>\n<tr>\n<td>Cena<\/td>\n<td>Niz\u0161\u00ed<\/td>\n<td>Vy\u0161\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>APLIKACE<\/td>\n<td>Thermal spray, igniters<\/td>\n<td>Automotive, construction<\/td>\n<\/tr>\n<tr>\n<td>Schwei\u00dfbarkeit<\/td>\n<td>\u0160patn\u00e9<\/td>\n<td>V\u00fdborn\u00fd<\/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\/cs\/wp-json\/wp\/v2\/product\/3883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/media\/1770"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/media?parent=3883"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/cs\/wp-json\/wp\/v2\/product-category?post=3883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}