Cangzhou Junde Steel Pipe Co.,Ltd
Add: South of Qiantong Road, Cangzhou City, Hebei, China
Contact us:Sunny Yang
hot-rolled seamless steel pipe manufacturing process (△ main inspection process):
Tube blank preparation and inspection △ → tube heating → perforation → rolling → steel pipe reheating → set (minus) diameter → heat treatment △ → finished pipe straightening → finishing → inspection △ (lossless, physical and chemical, Taiwan inspection) → storage
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