The chemical composition is the standard for original R-50 R-65 Tee rails weighing 50 pounds per yard or more, 6 meters long and more. Material to be rolled into bars and shapes. Free of bent and twisted rails, frogs, switches and guards, rails with divided heads and broken flanges. A continuous welded rail may be included as long as there are no welds greater than 9 inches from the end of the rail part. Free of lint, non-ferrous inclusions, excessive rust and other impurities. War-free and explosives, cartridges, cartridges, other weapons and ammunition used or not and any container closed. Free of any radioactive material, any harmful chemical, substances and coatings, any organic waste and any other harmful substance. Dirt, dust, lint and other impurities are not allowed more than 05%. The rails should be grouped carefully and secured with iron wire or straps, equipped with suitable lifting hooks.