JIS G3454 STPG370 Carbon Steel Pipe Seamless Pipe
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JIS G3454 is a Japanese Industrial Standard specification for carbon steel pipes used for pressure service, high-temperature service, and ordinary piping.
STPG370 is a specific grade of carbon steel pipe specified by JIS G3454. STPG370 is a low carbon steel grade, characterized by its good weldability and formability. It has a minimum yield strength of 215 MPa and a minimum tensile strength of 370 MPa.
JIS G3454 STPG370 pipes are made from carbon steel, which is suitable for use in piping systems conveying fluids such as water, oil, gas, steam, and other non-corrosive substances at moderate temperatures and pressures.
JIS G3454 Pipe Specification
| Size | 21.3mm to 1219.2mm |
| Wall Thickness | 2-50mm |
| Length | max 12000mm |
| Standard | JIS G3454, JIS G3445, JIS G3452, JIS G3444 |
| Grade | STPG370, STPG410, STKM13A, STKM14A, SGP, STK290, STK400, STK500 |
| Steel grade | STPG 38, STPG 42 |
| Application | Carbon Steel Pipes for Pressure Service |
| Dimension Range | 10.5-660.4 mm |
Chemical Composition of JIS G3454 STPG 370
| Letter symbol of grade | Chemical Composition % | ||||
| C | Si | Mn | P | S | |
| STPG 370 | 0.25 max. | 0.35 max. | 0.30 ~0.90 | 0.040 max. | 0.040 max. |
Mechanical Properties of JIS G3454 STPG 370
| Letter symbol of grade | Mechanical Properties | |||||
| Tensile strength | Yield strength | Elongation % | ||||
| kgf/m㎡ {N/ m㎡} | kgf/m㎡ {N/ m㎡} | No.11 and No.12 test pieces | No. 5 test pieces | No. 4 test piece | ||
| Longitudinal | Transverse | Longitudinal | Transverse | |||
| STPG 370 | 38 {373}min | 22{216} min | 30 min | 25 min | 23 min | 28 min |
Looking for JIS G3454 STPG370 Pipes in China？
Standard and material：JIS G3454 STPG370
Specifications：
88.9*7.62*6000MM、73*7.01*6000MM
48.3*5.08*6000MM、42.2*4.85*6000MM
33.4*4.55*6000MM、26.7*3.91*6000MM
21.3*3.73*6000MM
