Used rails R50-R65

1.0M(1.0-1.5M) rails ferrous

(R50-R65) chemical composition shall be according to:

-R50 GOST 7173.75 weight 51.67kg/meter

-R65 GOST 8165.75 weight 64.72 kg/meter

-C=54%-82%

-SI=0.18%-0.40%

-MN=0.60-1.05%

-S=0.04%-Max

-P=0.035% AS-0.01MX of mass share