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JIS G3454 Grade STPG 370 Specification Covers Carbon Steel Pipes for Pressure Service. Mechanical properties of This steel grades can be varied greatly by heat treating. Through a controlled cycle of heating and cooling, certain desired properties are obtained by producing predictable changes in the microstructure of the steel.
Chemical Compositions(%) of JIS G3454
| Standard | Grade | C | Si | Mn | P | S |
| JIS G3454 | 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 of JIS G3454
| Standard | Grade | Yield Strength (Mpa) | Tensile Strength (Mpa) | Elongation (%) |
| JIS G3454 | STPG370 | ≥216 | ≥370 | ≥30 |
| STPG410 | ≥245 | ≥410 | ≥25 |
JIS G3454 Carbon steel pipes for pressure service at an approximate maximum temperature of 350℃.
Size (mm):
- Outer Dimensions: 19.05mm- 114.3mm
- Wall Thickness:2.0mm -14 mm
- Length: max 16000mm
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