501-105 SAAR301 Cast Iron Standard , 2.02% C, 0.018% S 150g 铸铁碳硫标样,碳:2.02%;硫:0.018%
501-083 SAAR304 Ductile Iron Standard , 4.23% C, 0.014% S 150g 铸铁碳标样
标样
501-024 SAAR322 Cast Iron Standard , 3.41% C, 0.050% S 250g 铸铁碳硫标样,碳:3.41%;硫:0.05%
501-673 /502-231 SAAR673 Wrought Iron Chip Standard , 0.0004% C, 0.0017% S 454g 纯铁助溶剂,空白:碳:4ppm;硫:17ppm