Q195
C: ≤0.12%
Si: ≤0.05%
Mn: 0.25-0.50%
P: ≤0.045%
S: ≤0.045%
Al: ≤0.045%
Q215A
C: ≤0.30%
Si: 0.25-0.55%
Mn: 0.045-0.050%
P: ≤0.050%
S: ≤0.050%
Al: ≤0.045%
Q235A
C: 0.14-0.22%
Si: ≤0.30%
Mn: ≤0.80%
P: ≤0.095%
S: ≤0.095%
Cr: ≤0.20%
Ni: ≤0.30%
Zn: ≤0.30%
6082
C: ≤0.40%
Si: ≤0.70%
Mn: 0.40-0.80%
Mg: ≤0.80%
Cr: ≤0.20%
Zn: 5.0-7.0%
Ti: ≤0.10%
Al: 余量
这些表格提供了不同钢材的主要化学成分限制,这对于材料选择和应用是非常重要的。