JIS G3458 alloy steel pipe is mainly used for high-temperature piping and can withstand high temperatures and pressures. Its use temperature range is usually within the allowable range of STPA24 material. According to different models and specifications, its use temperature can reach a higher level, such as STPA24 seamless alloy pipe can be used in high-temperature environments of 550-600℃.
JIS G3458 STPA24 alloy steel pipe is widely used in high-pressure and high-temperature pipelines and equipment such as power plants, nuclear power, high-pressure boilers, high-temperature superheaters and reheaters.
Products Data
Chemical composition of JIS G3458 STPA24 High pressure alloy steel pipe
| Letter symbol of grade | Chemical Composition % | ||||||
| C | Si | Mn | P | S | Cr | Mo | |
| STPA 24 | 0.15max. | 0.50 max. | 0.30~0.60 | 0.030 max. | 0.030 max. | 1.90~2.60 | 0.87~1.13 |
Mechanical properties of JIS G3458 STPA24 steel alloy pipe
| Grade | Mechanical properties | |||||
| Tensile strength | Yield point or proofstress | Elongation % | ||||
| kgf/mm2 {N/mm2} | kgf/mm2 {N/mm2} | No. 11 or No.12 test piece | No. 5 test piece | No.4 test piece | ||
| Longitudinal | Transverse | Longitudinal | Transverse | |||
| STPA 24 | 42{412}min. | 21{206} min. | 30 min. | 25 min. | 24 min. | 19 min. |
Products display
JIS G3458 STPA24 Alloy Steel Seamless Pipe
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Q.Can you provide samples?
A.Of course, we can provide you with free samples, but customers need to pay the shipping cost.
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