When having questions on Used rails R50-R65, please send your inquury!
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
