USED RAILS: Chemical Composition: C: 0.54 – 0.82 Si: 0.18 – 0.40 Mn: 0.60 – 1.05 S: 0.04 max. P: 0.035 max As: 0.01 max of Mass share Morms: R-50 GOST-7173-75 and R-65 GOST-8165-75 The scrap consists of R-50 (51.67 kg/m) R-65 (64.72 kg/m) Used Rails: ISRI-CODES 27-29: ISRI 27: Rail, sheet No.1 – Standard section tee rails, original weight 50 pounds per yard or heavier, 10 feet long and over. Suitable for re-rolling into bars and shapes. Free from bent and twisted rails, frog, switch and guard rails with split heads and broken flanges. Continuos welded rail may be included provided no weld is over 9 inches from the end of the piece of rail. ISRI 28A: Rail, steel No.2 – Cropped Rail Ends. Standard section, original weight of 50 pounds per yard and over.18 inches long and under. ISRI 28B: Rail, Steel No. 2 -Cropped Rail Ends. Standard section, original weight 50 pounds per yard and over, 2 feet long and under. ISRI 28C: Rail, Steel No. 2. Cropped Rail Ends. Standard section, original weight 50 pounds per yard, 3 feet long and under. ISRI 29: Rail, steel No. 3. Standard section tee, girder, and/or guard rails, to be free from frog and switchrails not cut apart and contain no manganese , cast, welds or attachments of any kind except angle bars. Free from concrete, dirt and foreign materials of any kind.