JIS G3455 Seamless tubes
JIS G3455 Carbon steel pipes for high pressure service at an approximate maximum temperature of 350oC.
Standard:
- JIS G3455
- JIS, Japanese Industrial Standards specifies the standards used for industrial activities in Japan.
Size range of JIS G3454 (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
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:
- Certification: ISO, API, ASTM, DIN etc.
- Mill Test Certificate: EN10204/3.1B
- Third party inspection: SGS, BV, Lloyds etc.
The main products of steel / steel grade:
- JIS G3455 STS370
- JIS G3455 STS410
- JIS G3455 STS480
Chemical Compositions(%) of JIS G3455
| Standard / Grade | C | Si | Mn | P | S |
| JIS G3455 STS370 | 0.25 | 0.10-0.35 | 0.30-1.10 | 0.035 | 0.035 |
| JIS G3455 STS410 | 0.30 | 0.10-0.35 | 0.30-1.40 | 0.035 | 0.035 |
| JIS G3455 STS480 | 0.33 | 0.10-0.35 | 0.30-1.50 | 0.035 | 0.035 |
Mechanical Properties of JIS G3455
| Standard / Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| JIS G3455 STS370 | 216 | 370 | 30 |
| JIS G3455 STS410 | 245 | 410 | 25 |
| JIS G3455 STS480 | 275 | 480 | 25 |
Tolerance on Outside Diameter and Wall Thickness in JIS G3455
| APPLICATION | TOLERANCE ON OUTSIDE DIAMETER | TOLERANCE ON WALL THICKNESS | ||
|---|---|---|---|---|
| Hot Rolled Seamless Pipes |
<=50mm | 0.5mm | <=4mm | 0.5mm |
| >50-160mm | 1% | |||
| >160-200mm | 1.6mm | >4mm | 12.5% | |
| >200mm | 0.8% | |||
| More that 350mm, the Tolerance is 0.5% |
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| Cold Drawn Seamless Pipes and Electric Resistant Welded Pipes |
<=40mm | 0.3mm | <=2mm | 0.2mm |
| >40mm | 0.8% | >2mm | 10% | |
| More than 350 mm the Tolerance is 0.5% |
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