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JIS G 3454 STPG370 Carbon Seamless Steel Tubes

Short Description:

Manufacture:Seamless process (hot finished and cold finished)

 

Size: O.D.: 15.0~660mm W.T.: 2~50mm

Grade: STPG370 ,STPG410

MOQ:5 tons

Length: 6M or specified length as required 

Ends: Plain End, Beveled End.

 

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Chemical Composition and mechanical properties JIS G 3454 Carbon Seamless Steel Pipe

Grade and Chemical Composition (%)

 Grade

C≤

Si≤

Mn

P≤

S≤

STPG370

0.25

0.35

0.30~0.90

0.040

0.040

STPG410

0.30

0.35

0.30~1.00

0.040

0.040

 

 

 

 

 

 

Mechanical Properties

Grade

Tensile strength

Yield strength

Elongation %

N/ m㎡

N/ m㎡

No.11 or No.12 test pieces

No. 5 test pieces

No. 4 test piece

 

 

Longitudinal

Transverse

Longitudinal

Transverse

STPG370

370 min

215 min

30 min

25 min

28 min

23 min

STPG410

410 min

245 min

25 min

20 min

24 min

19 min

Third Party Inspection of Seamless Steel Pipe:

Third-party-inspection.seamless-pipe-2

UT Inspection

Third-party-inspection.seamless-pipe-9

Straightness Inspection

seamless pipe inspection

Appearance Inspection

Third-party-inspection.seamless-pipe

Out Diameter Inspection

s355j2h steel tube

Wall Thickness Inspection

Third-party-inspection.seamless-pipe-8

End Inspection

Tolerance of outside diameter and wall thickness

    1. Tolerance of OD

      Division

      Tolerance on O.D

      Tolerance on W.T

      Hot finished seamless steel pipe

       

      Nominal diameter

      tolerance

      Thickness division

      tolerance

      40A or under

      +/-0.5mm

      Under 4mm  4mm or over

      +0.6mm   -0.5mm

       

      +15%

      -12.5%

      50A or over up to and incl.125A

      +/-1%

      150a

      +/-1.6mm

      200A or over

      +/-0.8%

      Cold finished seamless steel pipe  

      24A or under

      +/-0.3mm

      Under 3mm

       

      3mm or over

      +/-0.3mm

       

      +/-10%

       

      32A or over

      +/-0.8%

       

       

      For pipes of nominal size 350A or over,the tolerance on O.D maybe determined by the circumferential length. In this case,the tolerance shall be +/-0.5%

Packing and Shipment for JIS G3454 Carbon Steel Seamless Pipes

seamless pipe shipping to Iraq
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seamless-pipe-shipment5
bulk cargo

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