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Properties of S7 Tool Steel


Ultimate tensile strength (MPa) 165-215
Yield strength (MPa) 370-380
Young's modulus (modulus of elasticity) (GPa) 190
Elongation at break(%) 21-25
Fatigue Strength (MPa) 800-1000
Hardness (Brinell) 55-60 HB
Density (g/cm³) 7.75
Corrosion resistance low


Weldability Poor
Maximum service temperature(°C) 165-215
Thermal expansion coefficent (10-6/ºC) 10.7-11.2
Thermal conductivity (W/(m⋅°C)) 42.3-45.7
Electrical resistivity (μΩ.cm) 24.5-30.2
Post-Processing Annealing, Hardening
Magnetism Magnetic
Common applications Crushing tools, Hammers

Available Finishes

s7-tool-steel-surface-finish-services-clarwe

Clarwe provides a wide range ofsurface finishes through its tool steelCNC machining service, designed to elevate the quality of each machined component. Each finish is specifically chosen to improve both the mechanical characteristics and the visual appeal of thetool steel parts.

Industries specialized

ISO 9100D Certified Aerospace Parts

Aerospace

AS9100-certified flight-critical parts: CNC machining, sheet metal & tubing for turbines, mounts & actuators

IATF 16949 certified Automotive Parts

Automotive

IATF 16949-compliant automotive solutions: CNC machining, injection molding, urethane casting & more

Quality Certified industrial parts

Consumer Products

Scale from 1 to 1M+ consumer product units with full QA ownership and compliance

ISO 13485 certified quality Medical Parts

Medical

ISO 13485-certified surgical tools & implants: Precision CNC, cleanroom molding & biocompatible casting




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