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We aware the beveling is very important processes in the whole production procession of butt-welding pipe fittings, we always make beveling according to the standard strictly. In the behavior, we make beveling after shot blasting, bevel ends are fully machined by advanced equipment Double Beveling Machine ensure the height, length, thickness, O.D. and I.D. are all qualified. Cold rolling – to 8" raw bendingD – to 12" (including 1 1/2D up to 6" Sch 80) Cold bending pipe – to 12" Induction bending pipe – to 36" Cold bending of yellow jacketed – to 12"