Chemical compositionThe chemical composition of the rails is as stated below, while the balance is pure steel;R50 - 51.67 kg/m gost 7173-75, and r65 - 64.72 kg/m gost 8165-75C:0.54 -- 0.82%Mn:0.60 -- 1.05%Si:0.18 -- 0.40%P: Max.0.035%S: Max.0.04%As: Max.0.01% of mass shareConsignments are free of contamination, radiation and explosives
Chemical composition
The chemical composition of the rails is as stated below, while the balance is