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JIS G3429 Seamless steel tubes
Seamless steel tubes for high pressure gas cylinder.
Detailed Description
- Seamless steel tubes for high pressure gas cylinder .
- Standards: JIS G3429
- Size (mm):
- Outer Dimensions: 19.05mm ~ 114.3mm
- Wall Thickness:2.0mm ~ 14 mm
- Length: max 16000mm
- Application: Seamless steel tubes for high pressure gas cylinder.
- The main products of steel / steel grade: STH11, STH12, STH21, STH22.
- Packing: Bare/bundles/crates/crate protection at the both sides of tubes or as per customers' requirements .
- Painting: as requested.
Chemical Compositions(%)
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| STH11 | ≤0.50 | 0.10-0.35 | ≤1.80 | ≤0.035 | ≤0.035 | / | / | / |
| STH12 | 0.30-0.41 | 0.10-0.35 | 1.35-1.70 | ≤0.030 | ≤0.030 | / | / | / |
| STH21 | 0.25-0.35 | 0.15-0.35 | 0.40-0.90 | ≤0.030 | ≤0.030 | ≤0.25 | 0.80-1.20 | 0.15-0.30 |
| STH22 | 0.33-0.38 | 0.15-0.35 | 0.40-0.90 | ≤0.030 | ≤0.030 | ≤0.25 | 0.80-1.20 | 0.15-0.30 |
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