Q235指这种材质的屈服强度下限为235MPa,是一种碳素结构钢,心部强度要求不高,的渗碳或氰化零件、拉杆、连杆、吊钩、套筒、轴大量用于建筑及工程结构。主要用于制作钢筋或建造厂房房架等,和一些对性能要求不太高的机械零件。C、D级钢还可用于某些专业用钢。Q235分A、B、C、D四级(国标GB/T 700-2006),表示质量由低到高。其化学成分为:
Q235C ≤0.22% Mn ≤1.4% Si ≤0.35% S ≤0.050 P ≤0.045
Q235B级含 C ≤0.20% Mn ≤1.4% Si ≤0.35% S ≤0.045 P ≤0.045(经需方同意,碳含量可不大于0.22%)
Q235C级含 C ≤0.17% Mn ≤1.4% Si ≤0.35% S ≤0.040 P ≤0.040
Q235D级含 C ≤0.17% Mn ≤1.4% Si ≤0.35% S ≤0.035 P ≤0.035
6mm | Q235C | 切边 | 10000 | 2000 | 0.942 |
6mm | Q235C | 切边 | 10000 | 2000 | 0.942 |
6mm | Q235C | 切边 | 10000 | 2000 | 0.942 |
6mm | Q235C | 切边 | 10000 | 2000 | 0.942 |
6mm | Q235C | 切边 | 10000 | 2000 | 0.942 |
6mm | Q235C | 切边 | 10000 | 2000 | 0.942 |