1.2990, X100CrMoV8-1-1 - cold-work tool steel
Table of content:
| Standard | Grade | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chemical composition % | |||||||||||||||
| C: | Si: | Mn: | Cr: | Mo: | V: | ||||||||||
| DIN | 1.2990 / X100CrMoV8-1-1 | ||||||||||||||
| 1.0 | 0.9 | 0.8 | 8.0 | 1.6 | 1.6 | ||||||||||
1.2990 / X100CrMoV8-1-1 – description
Cold-working ledeburitic tool steel for punches, dies, progressive dies, cold rolls, woodworking tools, rotary cutters and rotary shear blades. Strong, hard and hardenable.
Physical and mechanical properties
The hardness after soft annealing: max 250 HBW.
The hardness after toughening depends on the tempering temperature:
- Tempering temperature: 100 °C - 62-64 HRC
- Tempering temperature: 200 °C - 59 HRC
- Tempering temperature: 300 °C - 57-59 HRC
- Tempering temperature: 400 °C - 58-60 HRC
- Tempering temperature: 500 °C - 60-63 HRC
- Tempering temperature: 500 °C - 60-63 HRC
- Tempering temperature: 525 °C - 60-63 HRC
- Tempering temperature: 550 °C - 59-61 HRC
- Tempering temperature: 575 °C - 55-57 HRC
- Tempering temperature: 600 °C - 46-48 HRC
Thermal conductivity:
- Testing temperature: 25 °C - 34,2 W/(m*K)
- Testing temperature: 100 °C - 25,9 W/(m*K)
- Testing temperature: 150 °C - 26,8 W/(m*K)
- Testing temperature: 200 °C - 27,1 W/(m*K)
- Testing temperature: 300 °C - 27,4 W/(m*K)
- Testing temperature: 400 °C - 27,2 W/(m*K)
- Testing temperature: 500 °C - 26,8 W/(m*K)
Coefficient of thermal expansion:
- Temperature range: 20-100 °C - 11,4 10-6*m/(m*K)
- Temperature range: 20-150 °C - 11,6 10-6*m/(m*K)
- Temperature range: 20-200 °C - 11,7 10-6*m/(m*K)
- Temperature range: 20-250 °C - 11,9 10-6*m/(m*K)
- Temperature range: 20-300 °C - 12,0 10-6*m/(m*K)
- Temperature range: 20-350 °C - 12,1 10-6*m/(m*K)
- Temperature range: 20-400 °C - 12,3 10-6*m/(m*K)
- Temperature range: 20-450 °C - 12,4 10-6*m/(m*K)
- Temperature range: 20-500 °C - 12,6 10-6*m/(m*K)
Heat treatment and working
Recommended working and heat treatment parameters for 1.2990 alloy:
- Soft annealing: 830-860 °C
- Quenching: 1030-1080 °C
- Stress relieving: 630-670 °C
We deliver this steel alloy as:
- Bars, flat bars, squares
- Forgings and forged blocks
Replacements, equivalents and other designations:
1.2990, Thyrodur 2990, X100CrMoV8-1-1