供應(yīng)P235GH P235HI 1.0345 P265GH 1.0425 C22G2 1.0460 P295GH高溫結(jié)構(gòu)用鋼和低溫鋼的化學(xué)成分P235GH P235HI 1.0345 P265GH 1.0425 C22G2 1.0460 P295GH高溫結(jié)構(gòu)用鋼和低溫鋼的力學(xué)性能P235GH P235HI 1.0345 P265GH 1.0425 C22G2 1.0460 P295GH高溫結(jié)構(gòu)用鋼和低溫鋼的抗拉強(qiáng)度P235GH P235HI 1.0345 P265GH 1.0425 C22G2 1.0460 P295GH高溫結(jié)構(gòu)用鋼和低溫鋼的屈服強(qiáng)度P235GH P235HI 1.0345 P265GH 1.0425 C22G2 1.0460 P295GH高溫結(jié)構(gòu)用鋼和低溫鋼的硬度P235GH P235HI 1.0345 P265GH 1.0425 C22G2 1.0460 P295GH高溫結(jié)構(gòu)用鋼和低溫鋼的伸長(zhǎng)率