D7
D7 1.with 10years professional experience 2.EAF/ESR+Forged +Annealed+Grinded/Machined 3.100% UT acco to En1921Dd
D7
1.Composition%:
| C | Mn | Si | Cr | Mo | V |
| 2.15/2.50 | 0.1-0.6 | 0.10/0.60 | 11.5/13.5 | 0.7/1.2 | 3.8/4.4 |
2.Application:
Extrusion dies and die-casting for alumium,Mandgnesium allay mostly,for copper alloy could use
mechaincal press forhing of steel,could use also
3.Tempering T°c adjust to HRC(refer):
| °c | 180-300 | 450-500 | 550-570 |
| HRC | 51-52 | 53-54 | 50-52 |
4.Size and shape(milimeter):
BarsØ50-380
Flats30-250*150-610
D7
