p11 imported alloy t
| Type of posting | Offer |
| Category | Pipe Fittings |
| City / Port | Liaocheng, CN, China |
| Address | China Shandong seamless steel pipe market,Liaocheng,Liaocheng,Shandong |
| Description | p11 imported alloy tube . p11 imported alloy tube 1. Seamless Steel Tube Because of different manufacturing processes, is divided into hot-rolled (extrusion), and cold drawn seamless steel pipe (rolled) two kinds of seamless steel pipe. Cold drawn (rolled) pipe is divided into two kinds of circular pipe and shaped pipe. a. Process Overview Hot-rolled (extrusion Seamless): Round Tube ¡ú heating ¡ú hole ¡ú three-roll cross rolling, rolling, or extrusion ¡ú ¡ú set off pipe diameter (or less diameter) ¡ú cooling ¡ú billet tube straightening ¡ú pressure ¡ú test (or testing) ¡ú mark ¡ú storage. Cold drawn (rolled) seamless steel pipe: round tube ¡ú heating ¡ú hole ¡ú Heading ¡ú annealing ¡ú pickling ¡ú Tu oil (copper) ¡ú multi-pass cold drawn (cold) ¡ú billet tube ¡ú heat treatment ¡ú straightening ¡ú water pressure test (testing) ¡ú mark ¡ú storage. Tel: +86-0635-2128811 E-mail: steelpipecn@hotmail.com Website: www.steel-pipe-shandong.com |
| Date | 2010 Jan 31, 02:01 |