SAE standard material W109 Extra belongs to the USA, from the steel to the finished product, we have the perfect technology and many years of accumulation of experience, we can now produce products include steel coil, sheet, plate,round bar, square steel, steel wire, steel pipe, forgings, other...
W109 Extra Application:Tool and die steels
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.85 | 0.95 | ||
| Si | 0.10 | 0.40 | ||
| Mn | 0.10 | 0.40 | ||
| Cr | - | - | ||
| V | - | - |