Commodity: used rails (ISRI CODE R50-R65) Chemical composition: International Standards as follows: R50 51,67 kg/m gost 7173-75 C: 0.67- 0.8%; Mn: 0,75 - 1.05 %, Si: 0.13 - 0.28 %; P: max. 0.035 %;S: max. 0.045 %; Ar: max. 0.15 % R65 64.72 kg/m gost 8165-75 C: 0.6 - 0.82 %; n: 0.75 - 1.05 % ; Si: 0.13 - 0.28 %; P: max. 0.035 %; S: max. 0.045 %; Ar: max. 0.15 Specification: used rail:R50 (51.67KG/Meter, gost 7173-55), Used Rail: R65 (64.72KG/Meter, gost 8161-75) 2.7 length of commodity: CUT TO A dimension of 1.5 m (m=meters)as maximum, Or as the buyer requests, preferably the length is 12.5 meters, as is the original length of the product. Origin