TB/T 1632.2-1997 Technical conditions of welded joints of rails Heat treatment of rails was changed to TB/T 1632.1-2005 Rail welding Part 1: General specifications.
TB/T 1632.2-1997 Technical conditions of welded joints of rails Heat treatment of rails was changed to TB/T 1632.3-2005 Rail Welding Part 3: Thermite Welding.
TB/T 1632.2-1997 Technical conditions of welded joints of rails Heat treatment of rails was changed to TB/T 1632.4-2005 Rail Welding Part 4: Gas Pressure Welding.
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