Q235A tshuaj muaj pes tsawg leeg?
A: C≤0.22, Si≤0.35, Mn≤1.4, S≤0.050, P≤0.045.
Q235B tshuaj muaj pes tsawg leeg?
A: C≤0.20, Si≤0.35, Mn≤1.4, S≤0.045, P≤0.045.
Q235C tshuaj muaj pes tsawg leeg?
A: C≤0.18, Si≤0.35, Mn≤1.4, S≤0.040, P≤0.040.
Q235D tshuaj muaj pes tsawg leeg?
A: C≤0.17, Si≤0.35, Mn≤1.4, S≤0.035, P≤0.035.
Dab tsi yog qhov txawv ntawm A / B / C / D?
A: S thiab P impurities txo qis zuj zus, thaum qis - qhov xav tau ntawm qhov kub thiab txias nce zuj zus.