Nominal Specification for R50 51.67 kg/m GOST 7173.75
Carbon (C) 0.54% to 0.82%
Manganese (Mn) 0.60% to 1.05%
Silicon (Si) 0.18% to 0.40%
Sulphur (S) 0.04% to Maximum
Phosphorous (P) 0.035% AS- 0.01 MIX OF MASS SHARE
Nominal Specification for R65 64.72 kg/m GOST 8165.75
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Carbon (C) 0.54% to 0.82%
Manganese (Mn) 0.60% to 1.05%
Silicon (Si) 0.18% to 0.40%
Sulphur (S) 0.04% to Maximum
Phosphorous (P) 0.035% AS-0.01MIX OF MASS SHARE
