| Surface finish | Blue&black,polish |
|---|---|
| Material | 50#，65MN |
| Specification | Thickness：0.27-2.5mm Width：30-300mm |
| Elongation | Ordinary steel strip：3%-6% High quality steel strip：6%-10% |
| Tolerance | Thickness tolerance：±0.03ｍｍ Width tolerance：±0.2ｍｍ |
| Hardness | 43-49HRC |
| Enwind type | Ribbon |
| Package | Hessian cloth/corrugated/carton，wood pallet/iron pallet,etc. |