Details of JIS G 3454 Carbon ERW Steel Pipe We can supply
Manufacture:Electric resistance welded pipe Size: O.D.: 15.0～660mm W.T.: 2～20mm Grade:STPG370, STPG410 Length: 6M or specified length as required. Ends: Plain End, Beveled End.Application of JIS G 3454 Carbon ERW Steel Pipe
Pipe ordered under this specification is for pressure service at an approximate maximum temperature of 350℃。Chemical Composition and mechanical properties JIS 3454 Carbon ERW 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 |
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| 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 | ||
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| 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 |
Tolerance of outside diameter and wall thickness:
| Division | Tolerance on O.D | Tolerance on W.T | ||
| Cold finished ERW Steel Pipe | 24A or under | +/-0.3mm | Under 3mm
3mm or over | +/-0.3mm
+/-10% |
| 32A or over | +/-0.8% |
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| 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% | ||||
Appearance for JIS 3454 Carbon ERW Steel Pipe
Ordering information
- Quantity ( feet,meters,or number of lengths)
- Name of material(seamless carbon or welded)
- Grade
- Condition(hot finished or cold finished)
- Size (outside diameter and wall thickness)
- Length (specific and random)
- Hydrostatic test or nondestructive electric test
Manufacturing Process of JIS G 3454Carbon ERW Steel Pipe
Electric resistance weldedPacking for JIS 3452 Carbon ERW Steel Pipe
Bare pipe, black coating or hot dip zinc-coated( customized); In bundles with two cotton slings; Both ends with end protectors; Plain end, bevel end(When required by the purchaser and S≤22mm, the pipe end of should be bevelled, degree: 30° (+5°~0°), and the wall thickness of the root is not reduced by <2.4mm.); Marking.