Product Description
1.Sizes details
Sizes details | diameter | 16-320mm |
length | 3-12m(canbe customerized) | |
Sizes tolerance | length | +/-100mm(max) |
diameter | +/-2mm(max) | |
Straightness | 3mm/m(max) |
2.Chemical composition
Steel grade | Chemical Composition(%) | |||||||
China | America | Germany | Japan | C | Si | Mn | Cr | P/S |
55B | AISI1055B | C55B | S55CB | 0.52-0.60 | 0.17-0.37 | 0.5-0.9 | ≤0.25 | ≤0.35 |