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Q235的化學(xué)成分及性能
Q235分A、B、C、D四級(jí)(GB700-88)
Q23級(jí)含C0.14~0.22% Mn0.30~0.65Si≤0.30S≤0.050P≤0.045
Q235B級(jí)含C0.12~0.20% Mn0.30~0.670Si≤0.30S≤0.045P≤0.045
Q235C級(jí)含C≤0.18% Mn0.35~0.80Si≤0.30S≤0.040P≤0.040
Q235D級(jí)含C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.035
Q235力學(xué)性能
牌號(hào) | 拉力強(qiáng)度MPa | 屈服點(diǎn)MPa | 伸長率(%) |
Q235 | 375~500 | 235 | 26 |
永嘉縣英科泵閥有限公司制造Q235球閥 Q235蝶閥 Q235閘閥