This Part of TB/T 1632 specifies the terms and definitions, requirements for welding rails, flaw detection requirements for welded joints, straightness and surface quality requirements for welded joints of railway rail welding; inspection methods for straightness and surface quality for welded joints, flaw detection inspection methods, drop weight, static bending, fatigue, tensile, impact test methods. This Part is applicable to new steel rails of 50 kg/m ~ 75 kg/m, which is welded by methods such as flash welding, thermite welding, gas pressure welding.
