DIN |
AISI |
JIS |
GB |
1.2080 |
D3 |
- |
Cr12 |
Chemical Composition(DIN 17350)
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
1.90 |
0.10 |
0.15 |
0.030 |
0.030 |
11.0 |
2.20 |
0.40 |
0.45 |
12.0 |
Steel Properties
Ledeburitic Cr steel for cold work.High resistance to wear and softening. Dimensional and shape stability at heat treatment.Good cutting capability.
Applications
High performance cutting tools,stamping,woodworking,drawing,deep drawing and pressing tools, rolls,measuring tools.
Heat Treatment
Soft Annealing(℃) |
Cooling |
Hardness(HB) |
Hardening( ℃ ) |
In |
Hardness(HRC) |
800-840 |
Furnace |
Max.248 |
940-980 |
Oil,Thermal bath ca .400 ℃ |
64-66 HRC |
960-1000 |
Air,compressed air for thickness to 30mm |
63-65HRC |
Tempering (℃) |
100 |
200 |
300 |
400 |
450 |
500 |
550 |
600 |
HRC |
64 |
62 |
60 |
57 |
55 |
53 |
47 |
42 |
|