Description
Performance
Characteristics:
Widely used cold
work mould steel, with good quench-hardening ability, good wear
resistance ,as well hot workability.
Applications:
Making efficient blanking mould,
stamping mould, all kinds of scissors ,cold shearing ,drilling
bushing ,gauge, wortle, coining die, thread rolling die, screw
thread rolling die，cold extrusion dies .
Chemical Composition (%):
|
C
|
Si
|
Mn
|
S
|
P
|
Cr
|
Ni
|
Cu
|
Co
|
|
2.*0~2.*0
|
≤0.*0
|
≤0.*0
|
≤0.**0
|
≤0.**0
|
*1.*0~*3.*0
|
≤0.*5
|
≤0. *0
|
≤1.*0
|
Heat treatment standard:
(1) Quenching, **0 ~ ***0 centigrade
cold oil;
(2) Quenching **0 centigrade, cold
oil, **0 centigrade tempering 2 hours
Annealing temperature: ******0
Centigrade.
Annealing hardness: **8 HB
（Max）.
Destressing temperature: **0
Centigrade Approx.
Hot forming temperature: *******0
Centigrade.
Quenching temperature: ******0
Centigrade.
Hardening media: oil quenching, salt
bath ******0 Centigrade or ******0 Centigrade, air or compressed
air.
Quenching hardness: ****5 HRC.
Delivery condition :
Annealing
