{"product_id":"f91-p91-steel-certified-reference-material-bs9905a","title":"ASTM F91 \/ P91 Alloy Steel Certified Reference Material","description":"\u003cp\u003e\u003cspan\u003eThis \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eASTM F91 \/ P91 Alloy Steel Certified Reference Material (CRM)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is designed for verifying the accuracy and performance of handheld XRF analyzers, optical emission spectrometers (OES), and other elemental analysis instruments. Featuring a certified Grade 91 chromium-molybdenum-vanadium (Cr-Mo-V) steel composition, this reference material supports \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epositive material identification (PMI), alloy verification, quality control, and laboratory testing\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for industrial inspection companies, power generation facilities, refineries, piping fabricators, pressure vessel manufacturers, and testing laboratories, this CRM provides a reliable reference for verifying Grade 91 alloy chemistry, checking instrument performance, and supporting material traceability requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCommon Applications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHandheld XRF Verification:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Check analyzer performance using known concentrations of chromium (Cr), molybdenum (Mo), vanadium (V), nickel (Ni), manganese (Mn), and other detectable alloying elements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePositive Material Identification (PMI):\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Support verification of F91 and P91 alloy steel used in high-temperature piping, pressure vessels, valves, fittings, and industrial components.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eChrome-Moly Steel Sorting:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Verify instrument response when distinguishing Grade 91 steel from other chromium-molybdenum alloys, including F11\/P11, F22\/P22, and F9\/P9.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eManufacturing QA\/QC:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Perform routine instrument verification during incoming material inspection, fabrication, welding operations, and final quality control.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePower Generation \u0026amp; Petrochemical Inspection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Support alloy identification programs for boiler piping, steam systems, refineries, and other elevated-temperature industrial applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eLaboratory Analysis:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Use as a reference material for compatible XRF, spark-OES, and other elemental analysis methods.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cspan\u003eCertified ASTM F91 \/ P91 Alloy Steel Chemical Composition\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe following chemical composition represents the certified values for the supplied Grade 91 alloy steel reference material.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eElement\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eCertified Composition (wt. %)\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIron (Fe)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e88.9%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eChromium (Cr)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.75%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMolybdenum (Mo)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.95%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManganese (Mn)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.465%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSilicon (Si)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.34%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eVanadium (V)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.216%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNickel (Ni)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.152%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCarbon (C)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.113%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCopper (Cu)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.091%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNiobium (Nb)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.074%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eNitrogen (N)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.034%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eAluminum (Al)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0186%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCobalt (Co)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0136%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePhosphorus (P)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0133%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eArsenic (As)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0065%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTin (Sn)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0060%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSulfur (S)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0040%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOxygen (O)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0024%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTungsten (W)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0024%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTitanium (Ti)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.0023%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan\u003eCertified values are reported in weight percent. Refer to the Certificate of Analysis for measurement uncertainties, additional informational values, and complete certification details.\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.brammerstandard.com\/certificates\/bs9905a.pdf\"\u003e\u003cspan\u003eView \/ Download Certificate of Analysis (BS 9905a)\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eOther Names for ASTM F91 \/ P91 Alloy Steel\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eASTM A182 Grade F91, ASTM A335 Grade P91, UNS K90901, Grade 91 Steel, 9Cr-1Mo-V Steel, Modified 9Cr-1Mo Steel, 9 Chrome-1 Moly Steel, F91 Chrome-Moly Steel, P91 Chrome-Moly Steel, Chromium-Molybdenum-Vanadium Alloy Steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\" class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003eAvailable material forms\u003c\/h2\u003e\n\u003cul dir=\"ltr\" class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3 print:block print:space-y-1\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOES - Disc: 38mm D x 19mm\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eXRF - Disc: 38mm D x 7mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brammer Standard Company, Inc.","offers":[{"title":"XRF - Disc: 38mm D x 7mm","offer_id":48672982794379,"sku":"AG-BS9905A-XRF","price":295.0,"currency_code":"USD","in_stock":true},{"title":"OES - Disc: 38mm D x 19mm","offer_id":48672982761611,"sku":"AG-BS9905A-OES","price":395.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0591\/2671\/0411\/files\/Stainless_Steel_Low_Alloy_Steel_Nickel_Cobalt_Certified_Reference_Material_v2.3.1.jpg?v=1730816111","url":"https:\/\/alloygeek.com\/products\/f91-p91-steel-certified-reference-material-bs9905a","provider":"Alloy Geek","version":"1.0","type":"link"}