{"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\/es\/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\">Disponible en varias distribuciones de tama\u00f1o de part\u00edcula<\/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>Elemento<\/th>\n<th>Porcentaje de peso<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hierro (Fe)<\/td>\n<td>Equilibrio<\/td>\n<\/tr>\n<tr>\n<td>Cromo (Cr)<\/td>\n<td>16-18%<\/td>\n<\/tr>\n<tr>\n<td>Aluminio (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>Carbono (C)<\/td>\n<td>0,03% m\u00e1x<\/td>\n<\/tr>\n<tr>\n<td>Silicio (Si)<\/td>\n<td>1 % m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Manganeso (Mn)<\/td>\n<td>1 % m\u00e1ximo<\/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>Propiedad<\/th>\n<th>Valor<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Densidad<\/td>\n<td>7.3 g\/cm3<\/td>\n<\/tr>\n<tr>\n<td>Punto de Fusi\u00f3n<\/td>\n<td>1400-1450\u00a1\u00abC<\/td>\n<\/tr>\n<tr>\n<td>Conductividad t\u00e9rmica<\/td>\n<td>29 W\/mK<\/td>\n<\/tr>\n<tr>\n<td>Resistividad el\u00e9ctrica<\/td>\n<td>0.6 \u00c3\u00d7\u00b4\u00ce.cm<\/td>\n<\/tr>\n<tr>\n<td>M\u00f3dulo de Young<\/td>\n<td>200 GPa<\/td>\n<\/tr>\n<tr>\n<td>Coeficiente de Poisson<\/td>\n<td>0.27-0.30<\/td>\n<\/tr>\n<tr>\n<td>Resistencia a la tensi\u00f3n<\/td>\n<td>450-650 MPa<\/td>\n<\/tr>\n<tr>\n<td>Resistencia el\u00e1stica<\/td>\n<td>280-480 MPa<\/td>\n<\/tr>\n<tr>\n<td>Elongaci\u00f3n<\/td>\n<td>15-20%<\/td>\n<\/tr>\n<tr>\n<td>Resistencia a la oxidaci\u00f3n<\/td>\n<td>Excelente hasta 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>Atomizaci\u00f3n de gas<\/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>Atomizaci\u00f3n de agua<\/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>Aleaci\u00f3n Mec\u00e1nica<\/strong>?- Molienda de bolas de polvos elementales mezclados seguido de sinterizaci\u00f3n y atomizaci\u00f3n secundaria.<\/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>fabricaci\u00f3n aditiva<\/strong>?- Selective laser melting to produce complex parts needing high temperature oxidation resistance.<\/li>\n<li class=\"whitespace-normal\"><strong>Recubrimientos por proyecci\u00f3n t\u00e9rmica<\/strong>?- Applied via arc spraying to provide protective coatings on components operating at over 1000\u00a1\u00abC.<\/li>\n<li class=\"whitespace-normal\"><strong>Relleno de soldadura fuerte<\/strong>?- For joining ferritic stainless steel parts in high temperature applications.<\/li>\n<li class=\"whitespace-normal\"><strong>Encendedores de combustible s\u00f3lido<\/strong>?- Powder metallurgy igniter plugs used in industrial furnaces and turbines.<\/li>\n<li class=\"whitespace-normal\"><strong>Procesamiento de metal fundido<\/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>Tama\u00f1o de las part\u00edculas:<\/strong>?De 15 a 45 \u00b5m para m\u00e9todos AM, hasta 150 \u00b5m para procesos de pulverizaci\u00f3n t\u00e9rmica.<\/li>\n<li class=\"whitespace-normal\"><strong>Morfolog\u00eda:<\/strong>?Spherical, irregular and blended shapes. Spherical powder has excellent flowability.<\/li>\n<li class=\"whitespace-normal\"><strong>Pureza:<\/strong>?From commercial to high purity grades based on application requirements.<\/li>\n<li class=\"whitespace-normal\"><strong>Contenido de Ox\u00edgeno:<\/strong>Niveles mantenidos por debajo de 2000 ppm para la mayor\u00eda de las aplicaciones.<\/li>\n<li class=\"whitespace-normal\"><strong>Caudal:<\/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 (RU)<\/li>\n<li class=\"whitespace-normal\">H\u00f6gan\u00e4s (Suecia)<\/li>\n<li class=\"whitespace-normal\">Carpenter Powder Products (EE.UU.)<\/li>\n<li class=\"whitespace-normal\">Praxair Surface Technologies (USA)<\/li>\n<li class=\"whitespace-normal\">Grupo de Polvos CNPC (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>Cantidad<\/strong>?- $50-100 per kg for bulk orders above 500 kg. Smaller quantities are priced significantly higher.<\/li>\n<li class=\"whitespace-normal\"><strong>Calidad<\/strong>?- High purity, spherical powder with controlled characteristics demands premium pricing.<\/li>\n<li class=\"whitespace-normal\"><strong>Proveedor<\/strong>?- Large global suppliers offer competitive pricing owing to higher volumes.<\/li>\n<li class=\"whitespace-normal\"><strong>Geograf\u00eda<\/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\">Debe almacenarse en recipientes sellados bajo gas inerte para evitar la oxidaci\u00f3n.<\/li>\n<li class=\"whitespace-normal\">Avoid accumulation of fine powder to minimize dust explosion risks<\/li>\n<li class=\"whitespace-normal\">Utilizar EPI, ventilaci\u00f3n, conexi\u00f3n a tierra y pr\u00e1cticas de seguridad adecuadas durante la manipulaci\u00f3n<\/li>\n<li class=\"whitespace-normal\">Evitar el contacto entre el polvo y materiales incompatibles<\/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\">An\u00e1lisis qu\u00edmico mediante OES o XRF para garantizar que la composici\u00f3n se encuentra dentro de los l\u00edmites especificados<\/li>\n<li class=\"whitespace-normal\">Distribuci\u00f3n de tama\u00f1o de part\u00edcula conforme a la norma ASTM B822<\/li>\n<li class=\"whitespace-normal\">An\u00e1lisis de morfolog\u00eda por 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>Par\u00e1metro<\/th>\n<th>OP431<\/th>\n<th>316L<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tipo<\/td>\n<td>Ferritic<\/td>\n<td>Austenitic<\/td>\n<\/tr>\n<tr>\n<td>Contenido de 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>Resistencia a altas temperaturas<\/td>\n<td>Alto<\/td>\n<td>Inferior<\/td>\n<\/tr>\n<tr>\n<td>Resistencia a la corrosi\u00f3n<\/td>\n<td>Moderado<\/td>\n<td>Excelente<\/td>\n<\/tr>\n<tr>\n<td>Coste<\/td>\n<td>Inferior<\/td>\n<td>Alto<\/td>\n<\/tr>\n<tr>\n<td>SOLICITUDES<\/td>\n<td>Thermal spray, igniters<\/td>\n<td>Automoci\u00f3n, construcci\u00f3n<\/td>\n<\/tr>\n<tr>\n<td>Soldabilidad<\/td>\n<td>Pobre<\/td>\n<td>Excelente<\/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\/es\/wp-json\/wp\/v2\/product\/3883","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/3dpmetal.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/3dpmetal.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/3dpmetal.com\/es\/wp-json\/wp\/v2\/media\/1770"}],"wp:attachment":[{"href":"https:\/\/3dpmetal.com\/es\/wp-json\/wp\/v2\/media?parent=3883"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/3dpmetal.com\/es\/wp-json\/wp\/v2\/product-category?post=3883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}