JIS G3455 Carbon Steel Pipes for High-Pressure Service
Outside Diameter: 19.05mm ~ 114.3mm
Wall Thickness:2.0mm ~ 14 mm
Length: max 16000mm
Grades: STS370, STS410, STS480
Application: Carbon steel pipes for pressure, high pressure, and high temperature.
JIS G3455 Carbon steel pipes for high-pressure service at an approximate maximum temperature of 350℃.
JIS G3455 steel pipe for high-pressure chemical composition table:
| Steel Grade | Chemical Composition % | ||||
| C | Si | Mn | P | S | |
| STS 370 | 0.25 max. | 0.10~0.35 | 0.30~1.10 | 0.035 max. | 0.035 max. |
| STS 410 | 0.30 max. | 0.10~0.35 | 0.30~1.40 | 0.035 max. | 0.035 max. |
| STS 480 | 0.33 max. | 0.10~0.35 | 0.30~1.50 | 0.035 max. | 0.035 max. |
JIS G3455 high-pressure steel pipe Mechanical Properties:
| Mechanical Properties | ||||||
| Steel Grade | Tensile strength | Yield Strength | Elongation % | |||
| MPa | Mpa | No.11 and No.12 test piece | No. 5 test piece | No. 4 test piece | ||
| Longitudinal | Transtudinal | Longitudinal | Transtudinal | |||
| STS 370 | 373 min. | 216 min. | 30 min. | 25 min. | 23 min. | 28 min. |
| STS 410 | 412 min. | 245 min. | 25 min. | 20 min. | 19 min. | 24 min. |
| STS 510 | 481 min. | 275 min. | 25 min. | 20 min. | 17 min. | 22 min. |
