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GB/T8162-2008 Seamless Steel Tube

GB/T8162-2008 Seamless Steel Tube

GB/T8162-2008 seamless structural tube is a kind of tube for general structure and mechanical structure

Description

Details of GB/T8162-2008 Seamless Steel Tube


The seamless structural tube (GB/T8162-2008) is a kind of tube for general structure and mechanical structure. It is a variety of seamless steel pipe because of its different uses.    


Producing Process of GB/T8162-2008 Seamless Steel Tube


Hot rolled

round tube billet → heating  → piercing→ three roll skew rolling ,continuous rolling or extrusiong → pipe striping → diameter setting or reducing→ cooling→ straightening→ hydraulic pressure test→ non-destructive test→ marking → storage


cold drawn

round tube billet → heating→ piercing→ heating annealing → acid  pickling→ oiling (copper plating)→ multi cold drawing tube→ heat treatment→ straightening → hydraulic pressure test → nondestructive test → marking → storage


Prduct Show of GB/T8162-2008 Seamless Steel Tube


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