Steel Glossary
1.2436 D 6
AISI D6
C | Si | Mn | Cr | W | |
---|---|---|---|---|---|
max. | 2.3 | 0.4 | 0.6 | 13.0 | 0.8 |
min. | 2.0 | 0.1 | 0.3 | 11.0 | 0.6 |
Cold work tool steel used for manufacturing cutting, bending, pressing, and embossing tools, as well as stamps, bending rails, and knives.
Due to its high carbon content, 1.2436 is particularly suitable for wear-resistant applications.
1.2436 is a ledeburitic 12% chromium steel that can be hardened with relatively simple methods.
It generally offers good machinability, but for improved machinability in the hardened state, consider using 1.2379, TENASTEEL, or Daido DCMX.
You can obtain this material from us as precision flat steel (standard and custom dimensions) and as raw material cut-to-size.
We also offer 1.2436 customized according to your specifications as a finished machined drawing part.
Tempering Diagramm
Hardening Temperature: 950°C, Cross-Sectional Sample: Square 20 mm![Anlaßschaubild - 1.2436 Anlaßschaubild - 1.2436](/img/stahllexikon/12436-Anlassschaubild.png)
Heat Treatment Schedule
![Heat Treatment Schedule - 1.2436 Heat Treatment Schedule - 1.2436](/img/stahllexikon/12436-Waermebehandlungsschema.png)
Continuous Cooling Transformation Diagram
Austenitization Temperature: 980°C, Holding Time: 30 Minutes![CCT Diagram - 1.2436 CCT Diagram - 1.2436](/img/stahllexikon/12436-ZTU.png)
- ○ Hardness in HV
- 3 . . . 100 Volume Fraction in %
- 0.9 . . . 20.0 Cooling Parameter,
i.e., Cooling Time from 800°C to 500°C in s x 10-2 - 2K/mins ......Cooling Rate
in K/min in the Range of 800–500°C - Mk .....Grain Boundary Martensite
- B........Bainite
Microstructure Phase Diagram
Cooling Parameter λ
![Microstructure Phase Diagram - 1.2436 Microstructure Phase Diagram - 1.2436](/img/stahllexikon/12436-Gefuegemengenschaubild.png)
- Lk .... Ledeburite Carbide
- B ...... Bainite
- - Water Cooling
- - - - Oil Quenching
- - • - Air Cooling
- 1 ...... Workpiece Edge
- 2 ...... Workpiece Center
- 3 ...... Jominy Probe: Distance from the End Face
Isothermal Time Temperature Transformation Diagram
Austenitization Temperature: 980°C, Holding Time: 30 Minutes![Isothermal TTT Diagram - 1.2436 Isothermal TTT Diagram - 1.2436](/img/stahllexikon/12436-Isothermisches-ZTU.png)
Dependency of Core Hardness and Effective Hardening Depth on Workpiece Diameter.
![Dependency of Core Hardness and Effective Hardening Depth on Workpiece Diameter. - 1.2436 Dependency of Core Hardness and Effective Hardening Depth on Workpiece Diameter. - 1.2436](/img/stahllexikon/12436-Kernhaerte.png)
- Quenching Medium:
- Oil
- - - Air
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