Batch No Gi757 diameter actual 0.199mm - 0.200mm. Yield point 375.6 N/mm2. Tensile strength 749.2 N/mm2. Elongation 39.0%. Actual analysis batch No. Gi757 ppm: C 150, Si 3300, Mn 1.41%, P 300, S 10, Cr 16.79%, Ni 11.24%, Mo 2.06%.