Specifications :- used rails - R50/R65 Carbon (C): 0.54 0.082% Manganese (Mn) 0.75 - 1.05%, Silicon (Si): 0.18 0.40%, Phosphorous (P): Max. 0.035%, Sulphur (S): Max. 0.045%, Arsenic (Ar): Max. 0.15% Width: 0.5 m Iron Balance: Norms R50 Gost 7173-73 and R65 Gost-8165-75 R50(51.67KG/M)-Gost- 7173-75 R65(64.72KG/M)- Gost- 8165-75