BÖHLER steels are used to produce tools for a variety of cold working applications. High hardness, good ductility, low dimensional changes under heat treatment, and sufficient machinability are the most critical properties of these steels.
Cold Work Tool Steels
Grade | Description | Typical Hardness (HRC) | Comp. Strength | Dimensional Stability | Toughness | Wear Resistance Abrasive | Wear Resistance Adhesive |
Hardenable Steels | |||||||
AISI D2 | ~60* | ||||||
AISI A11, Powder metallurgical grade, extremely high wear resistance. | ~62* | ||||||
AISI A2 | ~59* | ||||||
Premium AISI S7 ESR | ~59* | ||||||
8% Cr cold work tool steel, good toughness and wear resistance. | ~60* | ||||||
8% Cr cold work grade with high toughness. | ~58* |
Grade | Description | Typical Hardness (HRC) | Comp. Strength | Dimensional Stability | Toughness | Wear Resistance Abrasive | Wear Resistance Adhesive |
Hardenable Steels | |||||||
8% Cr cold work grade with high wear resistance. | ~60* | ||||||
High Alloyed A11 modified PM grade | ~62* | ||||||
Mod. PM 4V type with a balance of toughness and wear resistance. | ~62* | ||||||
DIN 1.2767, High toughness and good wear resistance. | ~52* | ||||||
Din 1.2842 with good toughness | ~58* | ||||||
Modified PM 3V type with high toughness. | ~62* | ||||||
AISI M2 | ~65* |
Downloads
K110 is used for high-duty cutting tools (dies and punches), blanking and punching tools, woodworking tools, shear blades for cutting light-gauge material, thread rolling tools, tools for drawing, deep drawing and cold extrusion, pressing tools for the ceramics and pharmaceutical industries, cold rolls (working rolls) for multiple-roll stands, measuring instruments and gauges, small molds for the plastics industry where excellent wear resistance is required.
Characteristics
- Dimensionally stable, high carbon, high-chromium (12%) steel.
- Particularly suitable for air hardening.
- Good toughness.
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- High-duty cutting tools (dies and punches)
- Blanking and punching tools
- Woodworking tools
- Shear blades for cutting light-gauge material
- Thread rolling tools
- Tools for drawing
- Deep drawing and cold extrusion
- Pressing tools for the ceramics and pharmaceutical industries
- Cold rolls (working rolls) for multiple-roll stands
- Measuring instruments and gauges
- Small molds for the plastic industry where excellent wear resistance is required.
Material Numbers
- DIN: 1.2379
- EN: X153CrMoV12
- AISI: D2
- STN: 19 573
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
Powder-metallurgical produced cold work tool steel with extremely high wear resistance, good toughness and high compressive strength.
3rd Generation PM Technology
The latest generation of powder metal technology enables Bohler to manufacture a cleaner and finer powder then any other producer in the world today. The result is a significant increase in toughness and a more uniform carbide distribution.
Characteristics
- High wear resistance
- Good toughness
- High compressive strength.
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Punches and dies for blanking, piercing, cold heading and cold extrusions
- Cold forming rolls
- Knives for slitting, pelletizing and woodworking
- Screws, nozzles and barrel liners for plastics compounding and injection molding
- Powder metal compaction tooling
Material Numbers
- AISI: ~ A11
Executions
- Round Bar
- Saw Cutting
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
Air hardening cold work tool steel with good dimensional stability, high resistance to wear and good machining properties.
BÖHLER K305 is equivalent to AISI A2.
ADVANTAGES IN TOOL USE:
- Excellent adhesive wear resistance
- High compressive strength
- Easy to regrind
- High cutting edge retention
- Consistently high component precision
- Safety against breakage or failure in use
- Reproducible tool Parameters
Characteristics
- Good dimensional stability
- High resistance to wear
- Good machinabilty
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cutting tools (dies and punches
- Blanking and punching tools
- Thread rolling dies
- Shear blades
Material Numbers
- AISI: ~ A2
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
EDRO S7 ESR is a chromium-molybdenum shock resistant steel characterized by high toughness and high impact resistance.
These benefits, coupled with the high wear resistance offer the molder low-maintenance, long-life molds for the greatest overall molding economy.
EDRO S7 ESR is produced using the ElectroSlag-Refining (ESR) technique, resulting in an extremely fine and consistent micro-structure with superior cleanliness.
Characteristics
- High toughness
- Good wear resistance
- High impact resistance
- Good through hardening properties
- Good machinability
- Good dimensional stability during hardening
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Plastic injection, compression, and transfer molds
- Heavy duty blanking and forming tools
- Shear blades and cropping tools both hot and cold
- Rivet punches, chisels, cold heading dies and forging tools
Material Numbers
- AISI: S7
Executions
- Round Bar
- Saw Cutting
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
Downloads
BÖHLER K340 ISODUR, an 8% chromium steel, is produced using the electro-slag remelting (ESR) method. This by BÖHLER developed and proven remelting technology, ensures extremely low micro and macro segregations and gives the material the purity and homogeneity necessary for excellent performance in practice.
Characteristics
- Outstanding toughness
- Excellent compressive strength
- Very good machinability due to homogeneous structure
- Smaller dimensional changes
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cutting
- Blanking
- Cold forming
Executions
- Round Bar
- Saw Cutting
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
K353 is a universal tool steel for cold working applications, characterized by high hardness, high wear resistance and excellent toughness. K353 is a conventionally produced 8% Cr steel which combines very good machinability, good EDM properties and good dimensional stability.
Characteristics
- Excellent toughness
- Very good wear resistance properties: improved adhesive wear resistance thanks to added Al content
- Hardness up to 62 HRC (high hardness steel)
- Hardening temperatures in the range of 1030 – 1060 °C (1885 – 1940 °F)
- Secondary hardening steel with good dimensional stability
- Well suited to salt bath or plasma nitriding
- High strength substrate steel for surface coatings
- Good edge holding ability
- Easy machinability
- Good EDM properties
- Good wire cutting properties
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Veneer knives
- Shredder knives
- High duty machine knives for the cellulose-paper and fiberboard industry.
- Flat and circular shear blades
- Cutting and punching tools
- Cold forming tools
- Coining tools
- Bending tools
- Thread rolling tools
- Rolls
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
BÖHLER K360 ISODUR is a further development of the 8% chromium steels and has been developed to meet the needs of our customers now more than ever before. A Remarkably high wear resistance together with good compressive strength makes this steel a real problem-solver.
Characteristics
- Excellent wear resistance in combination with high toughness and good compressive strength
- Very good resistance to tempering
- Secondary-hardening cold work tool steel with good dimensional stability
- Very well suited to salt-bath, gas and plasma nitriding
- Can be PVD coated well
- Well suited to vacuum hardening
- Thanks to the chemical composition and the manufacturing process, this steel has finer distributed carbides than ledeburitic 12% Cr-steels.
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cold forming / Coining
- Fine Blanking / Blanking / Stamping
- Rolls
- Components for recycling industry
- Machine knife (for producers)
- Shearing / Machine Knives
- Comps. For Equip. Below Ground (Boring, Shafts, etc.)
- Powder Pressing
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
Just as mountaineers need the best equipment to conquer the highest peaks, it‘s essential to use the best materials for your tooling to ensure trouble-free production and achieve outstanding tool life.
Three reasons why BÖHLER K390 MICROCLEAN is highly cost effective: Extremely high wear resistance, excellent toughness and very high compressive strength. The high-performance powder-metallurgy steel BÖHLER K390 MICROCLEAN is a reliable solution for your difficult cutting, die-cutting and cold forming operations, and it has a very good track record for applications in the plastics industry.
Characteristics
Benefits for tool & die production in comparison to 10V PM:
- Good machinability because of uniform mechanical properties
- Excellent grindability even with deep engraving in the tool & die centre
- Uniform low dimensional change during heat treatment
- Non sensitive against overheating or long soak times
- Optimal EDM characteristic due to uniform carbide distribution
- Benefits for tool & die use:
- Low unit cost due to longer service life
- Safety against failure and cutting-edge fractures
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cold Forming / Coining
- Components for Recycling Industry
- Comps. for Equip. Below Ground (Boring, Shafts, etc.)
- Fine Blanking / Blanking / Stamping
- Machine knife (for producers)
- Powder Pressing
- Rolls
- Screws and Barrels
- Shearing / Machine Knives
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
BÖHLER’s cold work tool steel K490 MICROCLEAN closes the gap in the material demands between wear resistance and the desired high toughness.
Characteristics
- High hardness (up to 64 HRC)
- Very good toughness
- High abrasive and adhesive wear resistance
- Excellent hard machinability
- High compressive strength
- Heat treatment together with common cold work tool steels (1.2379, D2) at hardening temperatures from 1030 to 1080 °C (1885 – 1980 °F) possible
- Stable mechanical properties
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cold Forming / Coining
- Components for Recycling Industry
- Fine Blanking / Blanking / Stamping
- Food processing Ind.
- Machine knife (for producers)
- Powder Pressing
- Rolling
- Screws and Barrels
- Shearing / Machine Knives
- Standard Parts (Molds, Plates, Pins, Punches)
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
Highly stressed coining tools, cutlery dies, hobbing tools, cold shear blades for heavy – gauge material, plastic molds.
Characteristics
- Cold work tool steel with high toughness and full hardenability, also large dimensions.
- High impact strength and compressive strength.
- For oil and air hardening.
- Good polishability
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Abrasive
Applications
- Cold Forming / Coining
- Components for Recycling Industry
- Machine knife (for producers)
- Shearing / Machine Knives
Material Numbers
- DIN: 1.2767
- EN: 45NiCrMo16
- STN: ~19 655
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
K720 is used for Tools (punches) and dies for blanking, punching and similar operations; threading and woodworking tools, machine knives for the pulp, paper and metalworking industries; measuring tools and plastic molding dies.
Characteristics
- Great Toughness
- Good Machinability
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cold Forming / Coining
- Fine Blanking / Blanking / Stamping
- Food processing Ind.
- General Components for Mechanical Engineering
- Machine knife (for producers)
- Shearing / Machine Knives
- Standard Parts (Molds, Plates, Pins, Punches)
Material Numbers
- DIN: 1.2842
- EN: 90MnCrV8
- STN: 19 312
Executions
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
BÖHLER K890 MICROCLEAN – This powder-metallurgical cold-working steel has good toughness, very good compressive strength, and excellent fatigue strength.
Characteristics
- Excellent toughness
- Great edge stability
- Great dimensional stability
- Good polishability
- Good strength
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Cutting and blanking (especially for cutting and punching of thicker sheet metal)
- Fine cutting/blanking
- Cold forming, such as embossing (coining)
- Cold massive forming
- Powder compaction
- Warm forging at lower temperatures
- Injection molding
Executions
- Round Bar
- Saw Cutting
- Flat Plate
- Saw Cutting
- 6 Side Processing
- Surface Grinding
- Gun Drilling
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/
Downloads
Ideal for mills, spiral bits, and taps, broaches, cold-work tools. BÖHLER S600 is the most commonly used high-speed steel and is the starting material for our customers who deal with high-speed steel.
Characteristics
- High hardness
- Excellent cutting properties
- Outstanding compressive strength
- High hot hardness
- Good toughness
Technical Specifications
Compressive Strength
Dimensional Stability
Toughness
Wear Resistance Abrasive
Wear Resistance Adhesive
Applications
- Food processing Ind.
- Powder pressing
- Special cutting tools
- Rolling
- Fine blanking / blanking / stamping
- Injection Components
- Shearing / machine knives
- Twist drills and taps
Material Numbers
- DIN: 1.3343
- EN: HS6-5-2C
- AISI: ~ M2 reg.C, STN: 19 830
Executions
- Round Bar
- Saw Cutting
For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/