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Build Time: 3-5 Business Days
Tool steel S7
5.0 (2 Reviews) 149 orders
Material type: Metal, Magnetic
Tool steel S7 is a shock-resistant air hardening steel and has exceptional impact properties plus the highest hardenability of shock resisting grades of tool steel. Steel S7 also possesses good softening resistance at high temperatures which gives it hot work capabilities. Since S7 steel hardens in air, it is also safe and stable in heat treatment.
Process compatibility
Material Color
Silver gray
Material advantages
It is characterized with excellent toughness, high strength and medium wear resistance. It is a great candidate for tooling applications and can be used for both cold and hot working applications.
Material shortcomings
Poor weldability
Recommended description
S7 steel hardens in air, and it is also safe and stable in heat treatment.
Properties
Name
Tensile strength 2200MPa
Yield strength 2050MPa
Density 7.833g/cc
Hardness 60HRC
Elongation at Break 7.5%
Modulus of elasticity 215GPa
Maximum service temperature 165 - 215 °C
Thermal expansion coefficent 10.7 - 11.2 10^-6 ºC
Thermal conductivity 42.3 - 45.7 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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