合金结构钢板
钢号:20CrMn
化学成分要求:
C: 0.17-0.23
Si: 0.17-0.37
Mn: 0.90-1.20
Cr: 0.90-1.20
交货状态:试样调质
Alloy structural steel plate
Steel number: 20CrMn
Chemical composition requirements:
C: 0.17-0.23
Si: 0.17-0.37
Mn: 0.90-1.20
Cr: 0.90-1.20
Delivery status: sample conditioning
