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Tool steel O1
Material type: Metal, High hardness, High strength, Magnetic
Tool Steel O1 is the original oil-hardening, “non-shrinking” tool steel that can be hardened to the Rockwell C 65 range from a low austenitizing temperature. O1 is a general-purpose tool steel that is typically used in applications where alloy steels cannot provide sufficient hardness, strength, and wear resistance.
Process compatibility
Material Color
Silver gray
Material advantages
When heat treated, O1 has good hardening results and small dimensional changes. It is a general purpose steel that is used in applications where alloy steel cannot provide sufficient hardness, strength and wear resistance.
Material shortcomings
Poor weldability
Recommended description
O1 is a general-purpose tool steel that is typically used in applications where alloy steels cannot provide sufficient hardness, strength, and wear resistance.
Properties
Name | |
---|---|
Tensile strength | 2360MPa |
Yield strength | 2140MPa |
Density | 7.833g/cc |
Hardness | 255HB |
Elongation at Break | 6.1% |
Modulus of elasticity | 219GPa |
Maximum service temperature | 165 - 215 °C |
Thermal expansion coefficent | 11.3 - 11.8 10^-6 ºC |
Thermal conductivity | 41.2 - 44.6 W/(m⋅°C) |
Common applications
• Punches
• Dies
• Chuck jaws
• Cutting tools for woodworking
• Tooling for plastic injection
• Dowel pins
• Hammers
• Industrial knives
• Gage
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