International Mold Steel NAK55 Precipitation Hardened Mold Steel
Subcategory: Tool Steel; Mold Steel; Metal
Material Notes: Description: NAK55 is a precipitation, or age-hardened mold steel with a through hardness of approximately 40 HRc. NAK55 is ideal for use in plastic and rubber molds and other applications where impact resistance is not critical. It is a super clean, Vacuum-Arc Remelted steel with uniform grain structure, uniform hardness and excellent dimensional stability. Unique Characteristics: - Vacuum-Arc Remelt manufacturing process.
- 40 HRc hardness.
- Uniform hardness throughout, even in heavy sections.
- When welded, NAK leaves no witness lines after re-aging.
- Uniform grain structure with no pin holes, inclusions or hard spots.
- Machines up to 50% faster than 30 HRc P20 mold steels.
- Never needs stress relieving, even after heavy machining.
Information provided by International Mold Steel.
Available Properties |
- Hardness, Rockwell C
- Tensile Strength, Ultimate
- Tensile Strength @ Yield
- Elongation at Yield
- Reduction of Area
- Modulus of Elasticity
- Charpy Impact
- Magnetic Permeability
- Magnetic Coercive Force, Hc
- Magnetic Saturation Flux Density, Bmax
- Magnetic Remanence, Br
- CTE, linear 68°F
- CTE, linear, 212°F (100°C)
- CTE, linear, 482°F (250°C)
- Thermal Conductivity
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Property Data |
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