Pressure die casting, forging, and extrusion: when it gets hot, tool steels need to be tough—and especially pure. The special properties of BÖHLER hot-working steels are specifically tuned for high-temperature applications.
High Pressure Die Casting Materials
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Hot work tool steel featuring excellent hot tensile properties, high hot wear resistance, adequate toughness and heat checking resistance; admits water cooling.

Applications
- Heavy duty hot work tools and dies, mainly for light alloy processing: mandrels, dies, and containers for metal tube and rod extrusion.
- Hot extrusion equipment
- Tools and dies for the manufacture of hollow bodies, screws, rivets, ruts, and bolts.
- Die casting equipment, forming dies, die inserts, hot shear blades, and plastic molding dies.
Technical Specifications
High temperature strength
Wear resistance
Toughness
Machinability
Material Numbers
- DIN: 1.2344
- UNS: T20813
- EN: X40CrMoV5-1
- AISI: H13
- STN: 19 554
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/
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A balanced alloy composition ensuring high toughness even in large tools and an improved thermal stability opts for an optimal hardness/strength-toughness/ductility ratio (elongation after fracture and percentage reduction of area after fracture) tailor-fit to every application.

Characteristics
- Excellent toughness
- Great through-harden-ability
- Good wear resistance
Technical Specifications
High temperature strength
Wear resistance
Toughness
Machinability
Applications
- High Pressure Die Casting
- Forging
- Hot Stamping
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/
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Hot work tool steel with high hardness, specially developed for use in warm forging applications or for forging dies. BÖHLER W360 ISOBLOC has a significantly higher toughness than 1.2367 ESR – at a higher hardness.
BÖHLER W360 ISOBLOC is widely used in all high wear / high toughness requirement situations in forging, plastic injection, heavy duty stamping and much more.

Characteristics
- High hardness (recommended in use: 52 – 57 HRc)
- Exceptional toughness
- High temper resistance
- Good thermal conductivity
- Can be cooled with water
- Homogeneous microstructure
Technical Specifications
High temperature strength
Wear resistance
Toughness
Machinability
Applications
- Dies and punches in warm and hot forging
- Tooling for high speed presses
- Toughness-critical cold work applications
- Extrusion tooling, e.g. dies
- Core pins and inserts in die-casting dies
- Specific applications in the plastic processing sector
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/
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Vacuum remelted hot work tool steel with high temper resistance and therefore maximum resistance to heat checking.
BÖHLER W403 VMR addresses the number one failure mode in High Pressure Die Casting, heat checking, and offers the best resistance to premature impact of fatigue.

Characteristics
- Good macro- and microstructure with lowest levels of segregation
- Lowest gas contents
- Lowest levels of unwanted trace elements
- Excellent homogeneity and isotropy
- Highest degree of cleanliness
- Good toughness
- Best polishability
- Best heat checking resistance (resistance to thermal fatigue)
- Very high thermal stability
Technical Specifications
High temperature strength
Wear resistance
Toughness
Machinability
Applications
- Heavy duty hot work tools and dies, mainly for light alloy processing: mandrels, dies, and containers for metal tube and rod extrusion.
- Hot extrusion equipment
- Tools and dies for the manufacture of hollow bodies, screws, rivets, ruts, and bolts.
- Die casting equipment, forming dies, die inserts, hot shear blades, and plastic molding dies.
Material Numbers
- DIN: ~1.2367
- EN: ~X38CrMoV5-3
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

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For details on BÖHLER tool steels please visit:
https://www.us.bohler.com/en/