carbon steel pipe, carbon steel pipes, JIS G3456, JIS G3456 STPT370, JIS G3456 STPT410, JIS G3456 STPT480, Seamless pipe, Seamless Pipes, Steel pipe
Standard:
JIS G 3456:2010
JIS, Japanese Industrial Standards specifies the standards used for industrial activities in Japan.
Size range of JIS G3456(mm):
- Outer Dimensions: 19.05mm- 114.3mm
- Wall Thickness:2.0mm -14 mm
- Length: max 16000mm
Application:
- Carbon steel pipes for pressure service
- High pressure service and high temperature service at a temperature over 350 Degrees celsius
Packing:
- Be packed in Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
- Surface: Varnish coating
- Ends: Beveled or Plain ends with Plastic caps
- Painting: as requested.
Inspection & Certification:
1) Certification: ISO, API, ASTM, DIN etc.
2) Mill Test Certificate: EN10204/3.1B
3) Third party inspection: SGS, BV, Lloyds etc.
2) Mill Test Certificate: EN10204/3.1B
3) Third party inspection: SGS, BV, Lloyds etc.
The main products of steel / steel grade:
- JIS G3456 STPT370
- JIS G3456 STPT410
- JIS G3456 STPT480
Chemical Compositions(%) of JIS G3456
| Standard/ Grade | C | Si | Mn | P | S |
| JIS G3456 STPT370 | ≤0.25 | 0.10-0.35 | 0.30-0.90 | ≤0.035 | ≤0.035 |
| JIS G3456 STPT410 | ≤0.30 | 0.10-0.35 | 0.30-1.00 | ≤0.035 | ≤0.035 |
| JIS G3456 STPT480 | ≤0.33 | 0.10-0.35 | 0.30-1.00 | ≤0.035 | ≤0.035 |
Mechanical Properties of JIS G3456
| Standard/ Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| JIS G3456 STPT370 | ≥216 | ≥370 | ≥30 |
| JIS G3456 STPT410 | ≥245 | ≥410 | ≥25 |
| JIS G3456 STPT480 | ≥275 | ≥480 | ≥25 |
Tolerance on Outside Diameter and Wall Thickness in JIS G3456
| APPLICATION | TOLERANCE ON OUTSIDE DIAMETER | TOLERANCE ON WALL THICKNESS | ||
|---|---|---|---|---|
| Hot Rolled Seamless Pipes | < mmspan> | ±0.5mm | < mmspan> | ±0.5mm |
| <50-160mm | ±1% | |||
| <160-200mm | ±1.6mm | <4mm | ±12.5% | |
| <200mm | ±0.8% | |||
| More that 350mm, the Tolerance is ±0.5% | ||||
| Cold Drawn Seamless Pipes and Electric Resistant Welded Pipes | < mmspan> | ±0.3mm | < mmspan> | ±0.2mm |
| <40mm | ±0.8% | <2mm | ±10% | |
| More than 350 mm the Tolerance is ±0.5% | ||||
