Gases in Metals: Iron and Steel (rod) These SRMs are certified for oxygen content. Materials certified for nitrogen are noted.


SRM 1089* Description


Gasometric Standard, set includes: SRM 1095 AISI 4340 Steel


SRM 1096 AISI 94B17 Steel, Modified** SRM 1097 Cr-V Steel, Modified SRM 1098 High Carbon Steel** SRM 1099 Electrolytic Iron


1754 1755 1090 1094


1091a 1093


AISI 4320 Oxygen in Low Alloy Steel,** Nitrogen in Low Alloy Steel Oxygen in Ingot Iron


Oxygen in Maraging Steel


AISI 431 Oxygen in Stainless Steel Oxygen in Valve Steel


Rod Size (mm)


6.4  6.4  6.4  6.4  6.4 


9.5 


102 102 102 102 102


1.38  6.35  0.6  7.9  0.6 


* These SRMs are sold only as a set designated SRM 1089. ** In addition to being certified for oxygen, these SRMs are also certified for nitrogen.


N O N F E R R O U S M E T A L S Aluminum Base Alloys (chip and disk)


SRMs 1710 through 1715 are specially prepared to include low levels of cadmium and lead encountered in the analysis of recycled aluminum. For more information, see Table 102.1 Aluminum Base Alloys (chip and disk) on our website www.nist.gov/srm.


SRM Description


87a Silicon - Aluminum Alloy 853a Aluminum Alloy 3004 854a Aluminum Alloy 5182


855a Aluminum Casting Alloy 356


856a Aluminum Casting Alloy 380, Fine Millings 858 Alloy 6011, Modified 1241c Aluminum Alloy 5182 1255b Aluminum Alloy 356 1256b Aluminum Alloy 380 1258-I


Alloy 6011, Modified


1240C Aluminum Alloy 3004 1259 Alloy 7075


Unit Size


75 g 40 g 40 g 30 g 30 g 35 g


disk: 63 mm diameter  disk: 63 mm diameter  disk: 63 mm diameter  disk: 35 mm diameter  disk: 63 mm diameter  disk: 35 mm diameter 


1.9 cm 1.9 cm 1.9 cm 19 mm 19 mm 19 mm


(continued) 60 WWW.NIST.GOV/SRM  PHONE: (301) 975-2200  FAX: (301) 948-3730  EMAIL: SRMINFO@NIST.GOV


9.5  19


102 82


102 82


102


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