Q345A:C≤0.20,Mn ≤1.7,Si≤0.55,P≤0.045,S≤0.045,V 0.02~0.15;

Q345B:C≤0.20, Mn ≤1.7,Si≤0.55,P≤0.040,S≤0.040,V 0.02~0.15;

Q345C:C≤0.20,Mn ≤1.7,Si≤0.55,P≤0.035,S≤0.035,V 0.02~0.15,Al≥0.015;

Q345D:C≤0.20,Mn ≤1.7,Si≤0.55,P≤0.030,S≤0.030,V 0.02~0.15,Al≥0.015;

Q345E:C≤0.20,Mn ≤1.7,Si≤0.55,P≤0.025,S≤0.025,V 0.02~0.15,Al≥0.015;

规格现货有:
钢板厚度:
3.0mm/4.0mm/5.0mm/6.0mm/8.0mm/10mm/12mm/14mm/16mm/18mm/20mm/25mm/30mm/35mm/40mm/45mm/50mm/55mm/60mm/78mm
钢板宽度:
1250mm/1510mm/1800mm/2000mm/2200mm
钢板长度:
6000mm/8000mm/10000mm以上
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