Fluid Pipe

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●Standard:

GB/T 8163-1999, ISO 559, ASTM A 53ASTM A106, DIN 1629, JIS G 3458


● Function:

Transmit ordinary fluid, widely applied for oil and natural gas long-distance transmission as well as other fluids.






● Spec.:
OD
Wall Thickness
Unit(mm)
 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 7.0-8.0 9.0-10.0 11.0-12.0
Φ17-Φ18
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●
●
●
Φ19
●
●
●
●
●
Φ20-Φ21
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●
●
●
●
●
Φ22
●
●
●
●
●
●
Φ25
●
●
●
●
●
●
Φ27-Φ28
●
●
●
●
●
●
Φ32
●
●
●
●
●
●
●
Φ38
●
●
●
●
●
●
●
Φ42-Φ45
●
●
●
●
●
●
●
Φ48-Φ51
●
●
●
●
●
●
●
Φ57
●
●
●
●
●
●
●
Φ60-Φ73
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●
●
●
●
●
●
Φ76-Φ89
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●
●
●
●
●
●
Φ102
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●
●
●
●
●
●
Φ108
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●
●
●
●
●
●
Φ110-Φ114
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●
●
●
●
●
●
Φ127
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●
●
●
●
Φ133
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●
●
●
●
Φ140
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●
●
●
●
Φ159
●
●
●
●
●
●
Φ168
●
●
●
●
●
●
Φ219
●
●
●
●
Φ273
●
●
●
Φ325
●
●
●
Φ377
●
●

● Tolerance of size:

Standard

Outside diameter tolerance

Wall thickness tolerance

GB8163/T

+15/-12.5%

±1%

DIN 17172

D<50mm

±0.50mm

D<130mm

+12.5/-10%

D≥50mm

±1%

D≥130mm

±12.5%

● Mechanical properties :

Standard

Steel grade

Tensile strength (MPa)

Yield strength (MPa)

Extensibility (%)

≤ 16mm

≥16mm

GB 8163

         

20

410-550

245

235

20

Q345

490-665

325

315

21

DIN 17172

StE210.7

320-440

210

28

StE240.7

370-490

240

26

StE290.7

420-540

290

25

StE320.7

460-580

320

23

StE360.7

510-630

360

22

● Composition (%)

Standard

Steel grade 

C

Si

Mn

P≤

S≤

Ni≤

Cr≤

Cu≤

GB/T 8163

10

0.07-0.13

0.17-0.37

0.35-0.65

0.035

0.035

0.30

0.15

0.25

20

0.17-0.24

0.17-0.37

0.35-0.65

0.035

0.035

0.30

0.25

0.25

16Mn

0.12-0.20

0.20-0.55

1.20-1.60

0.045

0.045

0.25

0.25

0.25

DIN 17172

StE210.7

≤0.17

≤0.45

≥0.35

0.035

0.035

/

/

/

StE240.7

≤0.17

≤0.45

≥0.40

0.035

0.035

/

/

/

StE290.7

≤0.22

≤0.45

0.50-1.10

0.035

0.035

/

/

/

StE320.7

≤0.22

≤0.45

0.70-1.30

0.035

0.035

/

/

/

StE360.7

≤0.22

≤0.45

0.90-1.50

0.035

0.035

/

/

/