1.2436 (X 210 CrW 12)
AISI D6
Chemical composition % |
C |
Si |
Mn |
Cr |
V |
W |
2.03 |
0.39 |
0.39 |
11.49 |
0.11 |
0.78 |
Cold working steel for the manufacture of cutting, bending, press and embossing tools, punches, folding bars and
knives.
1.2436 is a ledeburitic 12% chrome steel yet can be hardened by simple means. Machinability is generally
unproblematic.
Tempering diagram
Hardness diagram: 950°C
Sample cross section: rect. 20 mm
Heat treatment diagram
TTT diagram for continuous cool down
Austenitisation temperature: 980 °C
Dwell time: 30 minutes
Hardness in HV
3...100 Microstructure components in %
0.9...20.0 Cool down parameters, i.e. cooling duration from 800°C to
500°C in seconds x 10 (power -2)
2 K/min...Cooling speed in K/min in the 800°C
to 500°C range
Mk...Martensite grain boundary
B...Bainite
Microstructure mass diagram
Lk... Ledeburitic carbide
B... Bainite
—— Water cooling
------- Oil cooling
– • – Air cooling
1... Work piece edge
2... Work piece centre
3... Jominy sample: distance from front face
Austenitisation temperature: 980°C
Dwell time: 30 minutes
Dependence of grain hardness and hardening depth on the work piece diameter
Hardening temperature: 950°C
Hardening medium:
_____ Oil
------- Air
Obtainable as the following products:
Downloads
1.2436 D 6
Cold work tool steel for the manufacture of cutting, bending and pressing tools and embossing dies as well as folding bars and knives