Aobo Steel

Professional A2 Tool Steel Supplier

Aobo Steel supply 1.2080 steel for your project

Premium 1.2080 Tool Steel Supplier for Unmatched Durability

1.2379 steel, also called X155CrVMo12-1, is a tough German cold-work steel known for its excellent qualities. It has evenly distributed carbides made using vacuum degassing, forging, and rolling. This high-carbon, high-chromium tool steel also contains molybdenum and vanadium for added strength. 

The steel’s hardness typically falls between 56 and 60 HRC, and it can be nitrided without losing hardness or wear resistance. Different heat treatments can result in the same hardness of 58 to 62 HRC but with varying levels of toughness and wear resistance. Cryogenic treatment is not recommended for complex molds due to the risk of cracking, but it can improve dimensional stability.

1.2080 tool steel equivalents to DIN 1.2363 and JIS SKD12

DIN 1.2080 tool steel

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JIS SKD1 tool steel

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Most cost-effective, high-quality supplier of D2 steel

We offer both D2 electric furnace steel and D2 ESR steel. Considering our customers’ purchasing costs, we produce D2 round bars with diameters under 200mm using the electric furnace method, which can meet Ultrasonic testing (UT) Sep 1921-84 D/d flaw detection. Customers can purchase high-standard D2 round bars at a lower cost. We adopt the ESR process for diameters above 200mm to ensure that the internal structure can meet Ultrasonic testing (UT) Sep 1921-84 E/e flaw detection.

Excellent D2 Forged Steel Supplier

Aobo Steel has over 20 years of experience in forging D2 steel, giving us a deep practical understanding of quality control in this field. Our D2 forged steel products mainly come in round bar, plate, and block shapes. We have over 40 suppliers providing the best processing services, enabling us to offer advantages such as short lead times, stable quality, and competitive prices.

我们如何保证质量

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Suply Range

The shapes of steel that Aobo Steel produces include A2 tool round bars and A2 plates. 

ShapeSizeLengthSurface finishtolerance
round bardiameter 20mm-400mmlength 2500mm-5800mmblack0/+5mm
peeled0/+5mm
turned(machined)0/+2mm
platewidth*thickness 100mm-800mm*10mm-400mmlength 2500mm-5800mmblack0/+5mm
peeled0/+5mm
turned(machined)0/+2mm

1.2080 steel Chemical Composition

ElementPercentage Range
Carbon (C)2.00 – 2.20%
Chromium (Cr)11.00 – 13.00%
Manganese (Mn)0.20 – 0.40%
Silicon (Si)0.10 – 0.60%
Phosphorus (P)≤ 0.030% (max)
Sulfur (S)≤ 0.030% (max)

Equivalent Grades

Germany/W-Nr.1.2080 
Chinese GradeCr12
EU/ENX210Cr12
Germany/DINX210Cr12
UK/BSBD3
France/NFX200Cr12
Italy/UNIX205Cr12KU
Spain/UNEX210Cr12
ISO210Cr12
Japan/JISSKD1
Korea/KSSTD1
USA/ASTMD3
USA/UNST30403

Critical Temperatures

Critical PointTemperature (°C)
Ac1810
Accm835
Ar1755
Ar3770
Ms180

Hot Working Process

ItemHeating Temperature (°C)Forging Temperature (°C)Finishing Temperature (°C)Cooling Method
Ingot1140-11601100-1120900-920Slow Cooling
Billet1120-11401080-1100880-920Slow Cooling

1.2080 heat treatment

1.2080 steel requires precise heat treatment to achieve its maximum hardness, wear resistance, and toughness. The quenching and tempering processes enhance these properties for cold work applications.

Quenching Process

Quenching involves heating the steel to a high temperature and rapid cooling to harden the material. For 1.2080 steel, the typical quenching procedure is as follows:

  • Preheating: Heat the steel gradually to 600–800°C to reduce thermal shock.
  • Austenitizing Temperature: Heat the steel to 950–980°C, transforming it into austenite (a high-temperature phase).
  • Quenching Medium: Rapidly cool in oil or air for uniform hardness.

Recommended Quenching Process for 1.2080 tool steel

Quenching Temperature (°C)Cooling MediumHardness (HRC)
950-980Oil59-63

This process ensures the steel hardens to its maximum potential.

Tempering Process

After quenching, the steel is hard but brittle. Tempering is required to reduce brittleness and improve toughness. The tempering process for 1.2080 is typically performed at 150–300°C, depending on the desired hardness. Higher tempering temperatures reduce hardness but increase toughness.

Typical Quenching and Tempering Data

Process StepTemperature (°C)TimeCooling MediumResult
Preheating600–80030 minutesAirMinimizes thermal shock
Austenitizing950–98030–40 minutesOil or AirHardens steel
Quenching950–980Rapid coolingOil or AirHigh hardness
Tempering (low)150–2001–2 hoursAirHigh hardness, lower toughness
Tempering (medium)200–3001–2 hoursAirBalanced hardness and toughness

Hardness Values After Quenching and Tempering

Tempering Temperature (°C)Hardness (HRC)
15062–64
20060–62
30058–60

 

Recommended Tempering Process for 1.2080 tool steel

PurposeTempering Temperature (°C)Tempering Time (h)Tempering CyclesHardness (HRC)
Stress Relief and Stabilization180-2002160-62
Stress Relief and Hardness Reduction320-3502157-58

Annealing process parameters

Heating specificationCooling specificationHardness (HBS)
Heating Temperature (°C)Holding Time (hours)Slow coolingIsothermal
Heating Temperature (°C)Holding Time (hours)
850-8704~5Furnace cooling to 550°C, then air cooling  ≤229
830-8502~3720-740°C3~4≤229

1.2080 Applications

1. Cutting Tools: Used for making punches, shear blades, and trimming dies where high wear resistance is crucial.

2. Forming Dies: Ideal for cold forming dies, which experience heavy wear and abrasion.

3. Molds: Employed in plastic injection molds and die-casting molds due to their ability to retain shape and resist wear.

4. Rolls: Suitable for making small rolls for cold rolling and forming due to its high hardness and resistance to deformation.

5. Slitters: Used for slitting knives in industries like paper, metal, and plastics because of their sharpness retention.

Why Aobo Steel is Trusted By Over 1000 Global Clients

FAQs

1. Does d2 steel rust easily? Is D2 stainless steel?

We have a detailed data comparison on this in our blog, and please click D2 vs.D3 tool steel

D2 and 8Cr13MoV are different categories of steel. What is 8cr13mov steel? 8Cr13MoV is a type of stainless steel that is far better than D2 in terms of rust resistance. However, they are both commonly used in the manufacture of cutting tools. D2 steel has a higher hardness than 8Cr13MoV. 8cr13mov steel hardness is 58-60 HRC. D2 steel excels in edge retention, while 8Cr13MoV steel is more balanced across the other features, especially in ease of sharpening and corrosion resistance.

W(kg) = 0.00617 × d²(mm) × L(m)

Where:

  • W is the weight of the round bar in kilograms 
  • d is the diameter of the round bar in millimeters
  • L is the length of the round bar in meters

0.00617 is a constant derived from the density of steel (approximately 7.85 g/cm³) and pi (π).

Weight (kg) = Length (m) × Width (m) × Thickness (m) × Density (kg/m³) 

Where:

  • Density: The density of steel is typically taken as 7850 kg/m³. This value may vary slightly depending on the steel’s specific type and alloy composition, but 7850 kg/m³ is a good approximation for most steels.

The price of D2 steel will fluctuate with the changes in the price of alloys. For the latest price, please contact sales@aobosteel.com

The price of D2 steel will fluctuate with the changes in the price of alloys. For the latest price, please contact sales@aobosteel.com

After heat treatment, D2 steel can reach a hardness of 60HRC, but its ductility, toughness, and corrosion resistance are relatively weak. Additionally, the steel surface is difficult to polish to a mirror finish.

D2 steel for knives is ubiquitous, both in industry applications and daily lives, including d2 steel for kitchen knives. Regarding materials for knife blades, the disadvantages of D2 steel are that it is too hard, making it difficult to sharpen, and its rust resistance is somewhat lacking.

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