{"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\/de\/product\/stainless-steel-op431-powder\/","title":{"rendered":"Rostfreier Stahl OP431 Pulver"},"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\">In verschiedenen Partikelgr\u00f6\u00dfenverteilungen verf\u00fcgbar<\/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>Gew.-%<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Eisen (Fe)<\/td>\n<td>Balanse<\/td>\n<\/tr>\n<tr>\n<td>Chrom (Cr)<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Aluminium (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>Kohlenstoff (C)<\/td>\n<td>0,03% max<\/td>\n<\/tr>\n<tr>\n<td>Silizium (Si)<\/td>\n<td>max. 1 %<\/td>\n<\/tr>\n<tr>\n<td>Mangan (Mn)<\/td>\n<td>max. 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=\"Rostfreier Stahl OP431 Pulver\" 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>Immobilie<\/th>\n<th>Wert<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Dichte<\/td>\n<td>7.3 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>Schmelzpunkt<\/td>\n<td>1400-1450\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>W\u00e4rmeleitf\u00e4higkeit<\/td>\n<td>29 W\/mK<\/td>\n<\/tr>\n<tr>\n<td>Elektrischer Widerstand<\/td>\n<td>0.6 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<\/tr>\n<tr>\n<td>Elastizit\u00e4tsmodul<\/td>\n<td>200 GPa<\/td>\n<\/tr>\n<tr>\n<td>Poissonzahl<\/td>\n<td>0.27-0.30<\/td>\n<\/tr>\n<tr>\n<td>Zugfestigkeit<\/td>\n<td>450\u2013650 MPa<\/td>\n<\/tr>\n<tr>\n<td>Streckgrenze<\/td>\n<td>280-480 MPa<\/td>\n<\/tr>\n<tr>\n<td>Verl\u00e4ngerung<\/td>\n<td>15-20%<\/td>\n<\/tr>\n<tr>\n<td>Oxidationsbest\u00e4ndigkeit<\/td>\n<td>Exzellent bis 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>Gasverd\u00fcsung<\/strong>?- Hochdruck-Inertgas, das zur Zerst\u00e4ubung der geschmolzenen Legierung verwendet wird, wodurch ein feines, kugelf\u00f6rmiges Pulver entsteht, das sich ideal f\u00fcr AM eignet.<\/li>\n<li class=\"whitespace-normal\"><strong>Wasserzerst\u00e4ubung<\/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>Mechanisches Legieren<\/strong>?- Kugelmahlen von gemischten Elementpulvern mit anschlie\u00dfendem Sintern und sekund\u00e4rer Atomisierung.<\/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>Additive Fertigung<\/strong>?- Selective laser melting to produce complex parts needing high temperature oxidation resistance.<\/li>\n<li class=\"whitespace-normal\"><strong>Thermische Spritzbeschichtung<\/strong>?- Applied via arc spraying to provide protective coatings on components operating at over 1000\u00a1\u00abC.<\/li>\n<li class=\"whitespace-normal\"><strong>L\u00f6tf\u00fcllmateriale<\/strong>?- For joining ferritic stainless steel parts in high temperature applications.<\/li>\n<li class=\"whitespace-normal\"><strong>Festbrennstoffz\u00fcnder<\/strong>?- Powder metallurgy igniter plugs used in industrial furnaces and turbines.<\/li>\n<li class=\"whitespace-normal\"><strong>Verarbeitung von geschmolzenem Metall<\/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>Teilchengr\u00f6\u00dfe:<\/strong>Von 15 \u00d7 45 \u00b5m f\u00fcr AM-Methoden, bis zu 150 \u00b5m f\u00fcr thermische Spritzverfahren.<\/li>\n<li class=\"whitespace-normal\"><strong>Morphologie:<\/strong>Sph\u00e4rische, unregelm\u00e4\u00dfige und gemischte Formen. Das kugelf\u00f6rmige Pulver hat eine ausgezeichnete Flie\u00dff\u00e4higkeit.<\/li>\n<li class=\"whitespace-normal\"><strong>Reinheit:<\/strong>Von handels\u00fcblichen bis hin zu hochreinen Qualit\u00e4ten, je nach Anwendungsanforderungen.<\/li>\n<li class=\"whitespace-normal\"><strong>Sauerstoffgehalt:<\/strong>Bei den meisten Anwendungen werden die Werte unter 2000 ppm gehalten.<\/li>\n<li class=\"whitespace-normal\"><strong>Durchflussmenge:<\/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\">H\u00f6gan\u00e4s (Schweden)<\/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 Pulvergruppe (China)<\/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>Menge<\/strong>?- $50-100 per kg for bulk orders above 500 kg. Smaller quantities are priced significantly higher.<\/li>\n<li class=\"whitespace-normal\"><strong>Qualit\u00e4t<\/strong>?- Hochreines, kugelf\u00f6rmiges Pulver mit kontrollierten Eigenschaften erfordert einen hohen Preis.<\/li>\n<li class=\"whitespace-normal\"><strong>Anbieter<\/strong>?- Gro\u00dfe globale Anbieter bieten aufgrund gr\u00f6\u00dferer Mengen wettbewerbsf\u00e4hige Preise.<\/li>\n<li class=\"whitespace-normal\"><strong>Geographie<\/strong>?- Die Preise variieren je nach Region, wobei Europa und Nordamerika die teureren M\u00e4rkte sind.<\/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\">Sollte in versiegelten Beh\u00e4ltern unter Schutzgas gelagert werden, um Oxidation zu verhindern<\/li>\n<li class=\"whitespace-normal\">Vermeiden Sie die Ansammlung von feinem Pulver, um das Risiko einer Staubexplosion zu minimieren.<\/li>\n<li class=\"whitespace-normal\">Verwenden Sie bei der Handhabung angemessene PSA, Bel\u00fcftung, Erdung und Sicherheitsma\u00dfnahmen.<\/li>\n<li class=\"whitespace-normal\">Verhindern Sie den Kontakt von Pulver mit inkompatiblen Materialien<\/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\">Chemische Analyse mit OES oder XRF, um sicherzustellen, dass die Zusammensetzung innerhalb der zul\u00e4ssigen Grenzen liegt<\/li>\n<li class=\"whitespace-normal\">Korngr\u00f6\u00dfenverteilung gem\u00e4\u00df ASTM B822-Standard<\/li>\n<li class=\"whitespace-normal\">Morphologieanalyse durch SEM<\/li>\n<li class=\"whitespace-normal\">Pulverflussrate gemessen nach ASTM B213 Standard<\/li>\n<li class=\"whitespace-normal\">Oxygen and nitrogen content testing by inert gas fusion<\/li>\n<li class=\"whitespace-normal\">Dichte bestimmt durch Helium-Pyknometrie<\/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>Parameter<\/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>Austenitisch<\/td>\n<\/tr>\n<tr>\n<td>Cr-Gehalt<\/td>\n<td>16-18%<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Ni-Gehalt<\/td>\n<td>&#8211;<\/td>\n<td>10-14%<\/td>\n<\/tr>\n<tr>\n<td>Hohe Temperaturbest\u00e4ndigkeit<\/td>\n<td>H\u00f6her<\/td>\n<td>Niedriger<\/td>\n<\/tr>\n<tr>\n<td>Korrosionsbest\u00e4ndigkeit<\/td>\n<td>Mittelm\u00e4ssig<\/td>\n<td>Ausgezeichnet<\/td>\n<\/tr>\n<tr>\n<td>Kosten<\/td>\n<td>Niedriger<\/td>\n<td>H\u00f6her<\/td>\n<\/tr>\n<tr>\n<td>ANWENDUNGEN<\/td>\n<td>Thermal spray, igniters<\/td>\n<td>Automobilbau, Bauwesen<\/td>\n<\/tr>\n<tr>\n<td>Schwei\u00dfbarkeit<\/td>\n<td>Arm<\/td>\n<td>Ausgezeichnet<\/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>\u00dcbersicht \u00fcber den nichtrostenden Stahl OP431 Pulver Der nichtrostende Stahl OP431 geh\u00f6rt zu den ferritischen St\u00e4hlen, die Chrom als Hauptlegierungselement enthalten. Der Zusatz von Aluminium erh\u00f6ht die Oxidations- und Korrosionsbest\u00e4ndigkeit bei hohen Temperaturen. Zu den wichtigsten Eigenschaften von OP431-Pulver geh\u00f6ren: Hervorragende Oxidations- und Korrosionsbest\u00e4ndigkeit bis zu 1150\u00a1\"C Gute Kriechbest\u00e4ndigkeit und thermische Erm\u00fcdung...<\/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\/de\/wp-json\/wp\/v2\/product\/3883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/de\/wp-json\/wp\/v2\/media\/1770"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/de\/wp-json\/wp\/v2\/media?parent=3883"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/de\/wp-json\/wp\/v2\/product-category?post=3883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}