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