13CrMo44 Alloy pipe steel pipe

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Posted On

26-Apr-17

Product Details

DIN17175 - German industrial standard

Manufacturing Process A hot-rolled (extrusion seamless): round tube perforation → → heating → three-roll rolling, rolling or extrusion → detached → sizing (or reducing) → cooling → straightening → hydrostatic test (or testing) → mark → storage 2 cold drawn (rolled) seamless steel pipe: round tube perforation → → heating → → annealing → pickling → Heading oiled (copper) → multipass drawn (rolled) → heat treatment → → straightening pipe billet → h

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