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Tool steel O1
4.7 (3 Reviews) 111 orders
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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