60Si2Mn Hot Rolled Steel Bar ,Hot Rolled Spring Steel Flat Bar , Thickness 5-80mm , Width :20-600mm
1.Specification:
Thickness:2-50mm
Length : as your request .
2.
| Sizes | |||||||||
| Thickness | 2-50mm | ||||||||
| Width | 20-800mm | ||||||||
| Length | can be required | ||||||||
| Steel grade | Chemical Composition(%) | ||||||||
| China | America | Germany | Japan | C | Si | Mn | Cr | P | S |
| ≤ | |||||||||
| 55CrMnA | 5155 | 55Cr3 | SUP9 | 0.52-0.60 | 0.17-0.37 | 0.65-0.95 | 0.65-0.95 | 0.03 | 0.03 |
| 60Si2Mn | 9260 | 60Si7 | SUP6 | 0.56-0.64 | 1.50-2.00 | 0.60-0.90 | ≤0.35 | 0.035 | 0.035 |
| 60Si2MnA | 9260 | 60Si7 | SUP7 | 0.56-0.64 | 1.60-2.00 | 0.60-0.90 | ≤0.35 | 0.03 | 0.03 |
| Machanical property | |||||||||
| Tensile strength | Yild strength | Elongation | reduction of area | ||||||
| Min (%) | Min (%) | Min (%) | Min (%) | ||||||
| Mpa | Mpa | Mpa | Mpa | ||||||
| 1225 | 1080 | 9 | 20 | ||||||


