Electric-Welded Pipe 2
Electric-Welded Pipe 2 :
Pipe having one longitudinal seam formed by electric-resistance welding, or electric-induction welding without the additional extraneous metal. The weld seam of electric-resistance welded pipe and induction welded pipe in grades higher thanX42 shall be heat treated after welding to a minimum temperature of 1000oF (538oC). For grades X42 and lower, the weld seam shall be similarly heat treated, or the pipe shall be processed in such a manner that no untempered martensite remains. (Spec 5L)
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