NIST SRM 179 低合金钢LA Steel, High Silicon
NIST SRM 178 吹氧炼钢0.4C Basic Oxygen Furnace Steel
NIST SRM 173c 钛合金Titanium Alloy UNS R56400 (chip form)
NIST SRM 166c 不锈钢Stainless Steel, Low-Carbon (AISI 316L)
NIST SRM 160b 不锈钢Stainless Steel (Cr 18-Ni 12-Mo 2) (AISI 316)
NIST SRM 158a 硅青铜Silicon Bronze
NIST SRM 155 铬钨钢Chromium-Tungsten Steel
NIST SRM 154c 二氧化钛Titanium Dioxide
NIST SRM 152a Open-Hearth钢Basic Open-Hearth Steel 0.5% Carbon (Tin Bearing)
NIST SRM 143d 胱氨酸Cystine(L-Cystine)
NIST SRM 139b 铬镍钼钢Chromium-Nickel-Molybdenum Steel
NIST SRM 136f 重铬酸钾Potassium Dichromate (Oxidimetric Standard)
NIST SRM 134a 钼铬钨钒钢Molybdenum-Tungsten-Chromium-Vanadium Steel
NIST SRM 133b 铬钼钢Chromium-Molybdenum Steel
NIST SRM 132b 工具钢Tool Steel (AISI M2)
NIST SRM 131h 精炼铸铁Refined Cast Iron