DIN |
AISI |
JIS |
GB |
1.2083 |
420 |
- |
4Cr13 |
Chemical Composition(DIN 17350)
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
0.38 |
≤1.0 |
≤1.0 |
0.030 |
0.030 |
12.00 |
0.45 |
13.50 |
Steel Properties
High alloyed corrosion resistant Cr cold work and plastic mould tool steel,which can be hardened and tempered,good polishability.
Applications
For corrosion resistant tools. Dies for artificial resins, for corrosive acting synthetic plastics. All kinds of cutting tools-knives,shears,surgical instruments.Also used as structural steel.
Heat Treatment
Soft Annealing(℃) |
Cooling |
Hardness(HB) |
Hardening( ℃ ) |
In |
Hardness(HRC) |
760-800 |
Furnace |
Max.230 |
1000-1050 |
air,oil,thermal
bath 500-550℃ |
55-57 HRC |
Tempering (℃) |
100 |
200 |
300 |
400 |
500 |
600 |
700 |
HRC |
56 |
55 |
52 |
51 |
52 |
42 |
- |
|