501-674 SAAR881 1g C/S Pin Standard, 0.014% C, 0.0045% S 454g 碳硫标样,碳:140ppm;硫:45ppm
501-675 SAAR882 1g C/S Pin Standard, 0.063% C, 0.023% S 454g 碳硫标样
501-676 SAAR890 1g C/S Pin Standard , 0.099% C, 0.0182% S 454g 碳硫标样
501-677 SAAR895 1g C/S Pin Standard , 0.247% C, 0.021% S 454g 碳硫标样
501-678 SAAR884 1g C/S Pin Standard, 0.4410% C, 0.0110% S 454g 碳硫标样
501-679 SAAR885 1g C/S Pin Standard, 0.805% C, 0.022% S 454g 碳硫标样