Fluid Pipe, Seamless Steel Pipe, Line Pipe, Seamless Line Pipe

Standard: ASTM A106, ASTM A53, API 5L, JIS G3452-1998, JIS G3454-1998, GB/T8163-1999, DIN 1629-1984

Application: For conveying of petroleum, gas and other fluids

Tolerance on Dimensions

Pipe types	Pipe Szie(mm)		Tolerances
Hot rolled	OD	All	±1% (min ±0.50mm)
Hot rolled	WT	All	+15%, -12.5%
Cold drawn	OD	6～10	±0.20mm
		10～30	±0.40mm
		30～50	±0.45mm
		>50	±1%
	WT	≤1	±0.15mm
		>1～3	+15% -10%
		>3	+12.5% -10%

Chemical composition and mechanical properties

Standard

Grade

Chemical composition

Mechanical Properties

C

Si

Mn

P

S

Cr

Ni

Cu

Tensile Strength(Mpa)

Yield Strength(Mpa)

Elongation(%)

GB/T8163

10

0.07-0.14

0.17-0.37

0.35-0.65

≤0.035

≤0.15

≤0.25

335-457

≥205

≥24

20

0.17-0.24

0.17-0.37

0.35-0.65

≤0.035

≤0.25

410-550

≥245

≥20

Q345

0.12-0.20

0.20-0.55

1.20-1.60

≤0.045

-

490-665

≥325

≥21

Fluid Pipe

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