GB/T8163-2008 seamless GI steel pipe for fluid transport

Specifications smls steel pipes

1)Thickness:2.5-75mm

2)OD: 32-630mm

3)Application:Fluid Pipe

4)Certification:ISO9001:2008, CE

GB/T8163-2008 Seamless Steel Pipe for fluid transport   1)Seamless steel pipe Specification

Seamless type	Outer Diameter	Thickness	Length
Round Pipe	32mm - 630mm	2.5mm-75.0mm	any length
Square Pipe	10mm*10mm-600mm*600mm	1.5mm-75.0mm	any length
Rectangle Pipe	20mm*10mm - 400mm*300mm	1.5mm-55.0mm	any length
L/T/Z window section	28mm/38mm	0.5mm-1.5mm	any length

  2)Seamless steel pipe dimensions and tolerances

Bias level	Standard diameter tolerance
D1	±1.5%,Least±0.75 mm
D2	±1.0%,Least±0.50 mm
D3	±0.75%,Least±0.30 mm
D4	±0.50%,Least±0.10 mm

  3)Seamless steel pipe production technology:Hot rolled.   4)Application: transportion for fluids, such as oil, natural gas, gas, water and some solid materials, pipes, etc...  

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