Toolman Special Steels is proud to produce and offer D3 (1.2080) - a high carbon and high chromium tool steel. It has superior wear resistance and good dimensional stability with high compressive strength. It hardens with a very slight change in size. The alloy possesses very high compressive strength and is deep hardening.
Steel Properties
-
Wear resistance
-
Impact resistance
-
Fine grain size.
-
Uniform distribution of carbide
-
High toughness
Extremely low gas content
Good cleanliness
Chemical Composition
HCHCR-D3, DIN 2080, AISI D3, AFNOR Z210CW12-01
| C | Si | Mn | P | S | Cr | V |
|---|---|---|---|---|---|---|
| 2.00 - 2.35 | 0.10 - 0.60 | 0.10 - 0.60 | 0.03 | 0.03 | 11.0 - 13.5 | 1.00 |
Mechanical Properties
| Property | Value |
|---|---|
| Annealing Hardness (HBW) | 248 max |
| Quenching and Tempering Hardness (HRC) | 60 min |
| Poisson’s Ratio | 0.27-0.30 |
| Impact Toughness | 28 J/cm2 |
Physical Properties
| Property | Value |
|---|---|
| Density (g/cm³) | 7.7 |
Modulus of Elasticity
| Temperature (°C) | GPa |
|---|---|
| 20 | 190 |
Thermal Properties
| Temperature (℃) | Thermal Expansion Coefficient (10^-6/℃) |
|---|---|
| 20 -100 | 12 |
Thermal Conductivity
| Temperature (℃) | Thermal Conductivity (W/m•K) |
|---|---|
| 20 | 16.6 |
HEAT TREATMENT AND PROCESSES
Heat treatment
| Soft annealing °C | Cooling | Hardness HB |
|---|---|---|
| 810 - 850 | Furnace | max. 250 |
| Stress-relief annealing °C | Cooling |
|---|---|
| approx. 670-720 | Furnace |
| Hardening °C | Cooling | Hardness after quenching HRC |
|---|---|---|
| 940 – 970 | Oil | 64.5 |
| 950-980 | Air (up to 30 mm thickness) | 64.5 |
| Tempering °C after Quenching | HRC |
|---|---|
| 100 | 63.5 |
| 200 | 61.5 |
| 300 | 58 |
| 400 | 57.5 |
| 500 | 55 |
| 600 | 47 |
Applications
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Punch
-
Cold-rolling intermediate roll
-
Mold
-
Rolling tool
-
Forming tool
-
Machining tool
High performance cutting tools, stamping, woodworking, drawing, deep drawing and pressing tools, for ceramics and pharmaceutical industries, rolls, measuring tools, plastic moulds, shear blades
Quality Assurance
Our D3 1.2080 steel undergoes rigorous testing and quality control to meet international standards, ensuring consistent performance and reliability. Certificates and test reports are available upon request. Feel free to reach out to us for more information on our D3 1.2080 steel products or to discuss your specific requirements. We're dedicated to providing top-quality steel solutions that meet your needs and exceed your expectations.
Manufacturing Range
| Products | Diameter (mm) |
|---|---|
| Hot Rolled bar | 8 - 65 |
| Forged and Turned bars | 65.2 - 500 |
| Forged Square Bars | 50 - 500 |
Flats
| THICKNESS | WIDTH |
|---|---|
| 6.00 mm - 410.00 mm | 20.00 mm - 700.00 mm |
Frequently Asked Questions
We manufacture D3 / DIN 1.2080 / AISI D3 as a high-carbon, high-chromium cold work tool steel. Its main characteristics include:
- Superior wear resistance
- High compressive strength
- Good dimensional stability
- Deep-hardening response
- Fine grain size
- Uniform carbide distribution
- Good cleanliness
It hardens with only a slight dimensional change, which is important for precision tooling.
We supply D3 for:
- Punches
- Cold-rolling intermediate rolls
- Moulds
- Rolling tools
- Forming tools
- Machining tools
- Stamping tools
- Drawing and deep-drawing tools
- Pressing tools
- Measuring tools
- Shear blades
It is also used for high-performance cutting tools and tooling for woodworking, ceramics and pharmaceutical applications.
Our D3 steel has:
- Maximum annealed hardness: 248 HBW
- Minimum quenching and tempering hardness: 60 HRC
After hardening at the stated temperatures, our published data shows approximately 64.5 HRC after quenching.
Our published heat-treatment data specifies:
- Soft annealing: 810–850°C
- Stress-relief annealing: approximately 670–720°C
- Oil hardening: 940–970°C
- Air hardening: 950–980°C for sections up to 30 mm
The tempering data ranges from approximately 63.5 HRC at 100°C to 47 HRC at 600°C.
Our D3 / DIN 1.2080 chemistry includes:
- Carbon: 2.00–2.35%
- Chromium: 11.00–13.50%
- Silicon: 0.10–0.60%
- Manganese: 0.10–0.60%
- Vanadium: 1.00%
Phosphorus and sulphur are specified at 0.03%.
Our D3 manufacturing range includes:
- Hot-rolled bars: 8–65 mm diameter
- Forged and turned bars: 65.2–500 mm diameter
- Forged square bars: 50–500 mm
- Flats: 6–410 mm thickness
- Flat widths: 20–700 mm
This range supports both smaller tooling and larger industrial components.
Yes. We carry out testing and quality control on our D3 / DIN 1.2080 steel and provide certificates and test reports on request. Manufacturers can contact us with their required size, quantity and application to discuss the suitable supply option.
