R50-R60: used long rail steel scrap in compliance with ISRI standard classification R50 (51.67 kg/m), Suitable for re-rolling into bars and shapes. Free from bent and twisted rails, frog, switches, and guard rails, or rails with split rail. b) R65: used long rail steel scrap in compliance with ISRI standard classification R65 (64.72 kg/m), in length 1 & 1,5meters on per bar basis. HMS 1/2 STEEL METAL SCRAP FOR SALE: Iron scrap HMS1 & 2 C: 0.06-0.082% Mn: 0.75-1.05% SI: 0.13-0.28% P: Max 0.035% S: Max 0.045% Ar: Max 0.15% R - 50 [ 51.67Kg/M] and R -65 [ 64.72 Kg/M ] grades as per ISRI 027-029 and GOST 7173-75 / GOST 8165-75, Cut to length [in buyers option ]