SRM 1227 美国NIST标准品 SRM 1227 LA Steel, Basic...

SRM 1139a  Cast Steel Standard 铸钢标准  disk
SRM 1155a  Stainless Steel (Cr 18 Ni 12, Mo 2)不锈钢(Cr 18 Ni 12, Mo 2)  disk
SRM 1157  Tool Steel (AISI M2)工具钢(AISI M2)  disk
SRM 1158  High-Nickel Steel (36% Ni)高镍钢(36% Ni)  disk
SRM 1159  Electronic and Magnetic Alloy Standard 电子和磁性合金标准  disk
SRM 1160  Elec/Mag Ni-Mo-Fe  disk
SRM 1171  Stainless Steel Cr 17-Ni 11-Ti 0.3 (AISI 321) 不锈钢Cr 17-Ni 11-Ti 0.3 (AISI 321) disk
SRM 1172  Stainless Steel Cr 17-Ni 11-Nb 0.6 (AISI 348) 不锈钢Cr 17-Ni 11-Nb 0.6 (AISI 348) disk
SRM 1173  Ni-Cr-Mo-V Steel disk
SRM 1196  Standard Cigarette for Ignition Resistance Testing 香yan点火电阻测试标准  2 cartons(400 cigarettes)
SRM 1216  Carbon Modified Silica  3 x 1g
SRM 1218  LA Steel, High Silicon镧钢，高硅  disk
SRM 1219  Cr16-Ni2 (AISI 431)  disk
SRM 1223  Chromium Steel铬钢  disk
SRM 1224  LA Steel, Carbon (AISI 1078)拉钢，碳 (AISI 1078)  disk
SRM 1225  LA Steel (AISI 4130)  disk
SRM 1226  LA Steel  disk
美国NIST标准品 SRM 1227  LA Steel, Basic Open Hearth, 1% C  disk
SRM 1228  LA Steel, 0.1% C  disk
SRM 1230  High-Temperature Alloy A286  disk