厂商 :古宇实业(上海)有限公司
江苏 苏州- 主营产品:
- 铝材
- 特殊钢
- 特殊合金
联系电话 :13002196668
商品详细描述
化学成分
Q345A:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;
Q345B:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;
Q345C:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.030,Al≥0.015;
Q345D:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.025,Al≥0.015;
Q345E:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.025,S≤0.020,Al≥0.015;
Q345A、B、C、D、E均含Nb≤0.07,V≤0.15,Ti≤0.20,Cr≤0.30,Ni≤0.012,Mo≤0.10
力学性能:Q345D无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥22%
Q345B无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥21%
Q345A无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥21%
Q345C无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥22%
Q345E无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥22%
Q345A:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;
Q345B:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.035,S≤0.035;
Q345C:C≤0.20,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.030,Al≥0.015;
Q345D:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.030,S≤0.025,Al≥0.015;
Q345E:C≤0.18,Mn ≤1.70,Si≤0.50,P≤0.025,S≤0.020,Al≥0.015;
Q345A、B、C、D、E均含Nb≤0.07,V≤0.15,Ti≤0.20,Cr≤0.30,Ni≤0.012,Mo≤0.10
力学性能:Q345D无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥22%
Q345B无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥21%
Q345A无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥21%
Q345C无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥22%
Q345E无缝管力学性能:
抗拉强度:490-675Mpa 屈服强度:≥345Mpa 伸长率:≥22%
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