Used Rails ( R50 - R65 ) Composition C - 0.54-0.82%, SI - 0.18-0.40%, MN - 0.60-1.05%, S - 0.04% maximum P - 0.035% maximum AS: - 0.01% Maximum of Mass Share 1. Technical terms: USED RAIL R50-R65 2. Specifications and Chemical Composition: Used Rail: R50 (51.67KG/Meter, GOST 7173-55), Used Rail: R65 (64.72KG/Meter, GOST 8161-75). Size & Weight: Length: 12meter ~ 12.5meter Maximum or less according tobuyerâ??s instruction; Expenses on seller Width: 5.5 inches ; Weight: 64.72Kg. No fishplates or steel pieces or bolts are attached to the used rails. All rails are clean and straight. No pitting. Only atmospheric rust No heavy rust. It is mandatory that Rails must be cut into length 1.5 meter(max.) before shipment. Specifications ISRI 201 No. 1 : Heavy melting steel 3 feet x 18 inches. Wrought iron and/or steel scrap 1/4 inch and over in thickness, individual pieces not over 36 inches x 18 inches (charging box size) prepared in a manner to insure compact charging. ISRI 202 No. 1 : Heavy melting steel 5 feet x 18 inches. Wrought iron and/or steel scrap 1/4 inch and over in thickness. Individual pieces not over 60 inches x 18 inches (charging box size) prepared in a manner to insure compact charging. ISRI 203 No. 2 : Heavy melting steel.* Wrought iron and steel scrap, black and galvanized, 1/8 inch and over in thickness, charging box size to include material not suitable as No. 1 heavy melting steel Prepared in a manner to ensure compact charging. ISRI 204 No. 2 : Heavy melting steel.* Wrought iron and steel scrap, black and galvanized, maximum size 36 x 18 inches. May include all automobile scrap properly prepared. ISRI 205 No. 2: Heavy melting steel 3 feet by 18 inches. Wrought iron and steel scrap black and galvanized, maximum size 36 x 18 inches. May include automobile scrap properly prepared, however, to be free of sheet iron or thin-gauged material. ISRI 206 No. 2: Heavy melting steel 5 feet by 18 inches. Wrought iron and steel scrap black and galvanized, maximum size 60 x 18 inches. May include automobile scrap properly prepared, however, to be free of sheet iron or thin-gauged material.