8407 Tool Steel

8407 Tool Steel Chemical Composition

8407 Tool Steel Equivalent Grades

The approximate correspondence of 8407 in the standards of various countries is as follows:

1. China (GB):4Cr5MoSiV1
2. Germany (DIN / W-Nr):X40CrMoV5-1/1.2344
3. Japan (JIS):SKD61
4. USA (AISI/ASTM):H13
5. Sweden (ASSAB):8407
6. Austria (BÖHLER):W302
7. Russia(GOST/ГОСТ):4X5MΦ1C

8407 Tool Steel Specifications

8407 Tool Steel Customized Options

1. Custom Surface Conditions: Black; Sandblasted; Grinded; Turned/Machined/Milled/Bright
2. Custom Chemical Composition: Capable of producing standard grades such as GB, DIN, ASTM, JIS, etc. Chemical composition can be custom-produced individually.
3. Custom Specifications: Round steel (diameter) and plates (thickness, width) can be custom-produced.
4. Professional packaging for long-term storage or extreme transportation conditions: Including black paint spraying on all sides, plastic film wrapping, anti-rust oil spraying, and delivery in wooden cases.
5. Custom production according to samples or technical agreements.
6. 8407 Tool Steel Electroslag Remelting (8407 ESR): Premium option with higher purity and isotropic properties for critical applications.

8407 Tool Steel Smelting process

8407 Tool Steel Physical Properties

1. Density: approximately 7.8 g/cm³
2. Elastic modulus: approximately 210-215 GPa (20 °C)
3. Thermal conductivity: approximately 20-25 W/m·K
4. Coefficient of thermal expansion: approximately 12×10⁻⁶/K in the range of 20-200 °C
   These characteristics make its thermal behavior stable in high-temperature environments, making it highly suitable for mold applications.

8407 Tool Steel Mechanical & Performance Properties

1. Thermal fatigue resistance: It has a high resistance to hot cracking and thermal shock.
2. High-temperature strength: Maintains strength at 500-600 °C.
3. Strong toughness and crack resistance: Excellent damage resistance for guiding and thick cross-section molds.
4. Good hardenability: Uniform hardness remains even after heat treatment of large-sized materials.
5. Excellent processing and polishing performance: The machine processing efficiency is high, and the surface can achieve a high degree of smoothness.

8407 Tool Steel Product Applications

1. 1. Die-casting mold
   2. Hot forging and hot stamping dies
   3. Extrusion dies, injection molds
   4. High-speed cutting tools and other tools used in high-temperature thermal load environments.