DIN |
AISI |
JIS |
GB |
1.2365 |
H10 |
- |
4Cr3Mo3SiV |
Chemical Composition(DIN 17350)
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
V |
0.28 |
0.10 |
0.15 |
0.030 |
0.030 |
2.70 |
2.60 |
0.40 |
0.35 |
0.40 |
0.45 |
3.20 |
3.00 |
0.70 |
Steel Properties
Excellent wear resistance and toughness at high temperatures. Good machinability in annealed condition. Good polishability. Good hardenability. Very good dimensional stability. Excellent tempering resistance.
Applications
Dies, tools for the production of screws and forging machines, highly stressed extruding tools for light metal processing-mandrels, pressing die cast moulds.
Heat Treatment
Soft Annealing( ℃ ) |
Cooling |
Hardness(HB) |
Hardening( ℃ ) |
In |
Hardness(HRC) |
780-810 |
Furnace |
Max.229 |
1010-1050 |
In air,oil,thermal
bath 450 -550 ℃ |
44-54 HRC |
Tempering( ℃ ) |
100 |
200 |
300 |
400 |
450 |
500 |
550 |
600 |
650 |
700 |
HRC |
51 |
50 |
49 |
49 |
49 |
49 |
50 |
48 |
41 |
29 |
N/mm2 |
1730 |
1680 |
1620 |
1620 |
1620 |
1620 |
1680 |
1570 |
1300 |
940 |
|