1.bar/wire dia:5.5~1000mm; 2.pipe/tube outdia:6~3500mm; 3.plate/coil wideth:10~2500mm; 4.strip/coil thickness:0.3~16mm

1. Application:Used for making large area,complex shape and large impact cold work and tool,like:punching moule,cold squeezing mould and circular saw  

2. Chemical composition:

    C=1.2~1.30,Si ≤ 0.35,Mn≤0.5,S≤0.030,Cr=0.20~0.50,V=0.10~0.30,W=3~4,Ni,Cu ≤ 0.25.