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CNC Machining Service for Stainless steel 440C | 1.4125 | X105CrMo17

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  • Material type

    Metal

  • Material name

    Stainless steel 440C | 1.4125 | X105CrMo17

  • Alternative names

    X105CrMo17, 1.3544, 1.4125

  • Process compatibility

    CNC machining
This high-carbon martensitic stainless steel boasts high strength, moderate corrosion resistance, and exceptional hardness and wear resistance. Following heat treatment, it achieves the peak strength, hardness, and wear resistance among all stainless steel alloys, a result of its high carbon content. Consequently, 440C is highly suitable for applications such as ball bearings and valve components.
Sunnyhowe
Mechanical properties
Ultimate tensile strength
560 - 800 MPa
Yield strength
340 - 430 MPa
Young's modulus (modulus of elasticity)
204 - 215 GPa
Elongation at break
14 - 18 %
Physical properties
Corrosion resistance
Moderate
Magnetism
Magnetic
Weldability
Poor
Thermal properties
Thermal expansion coefficent
10 - 10.2 10^-6/ºC
Thermal conductivity
22 - 24.2 W/(m⋅°C)
Electrical properties
Electrical resistivity
60 μΩ*cm
Post treatments
Post-Processing
Cold and hot working, Annealing, Tempering, Hardening
Anodizing compatibility
Not suitable
Common applications
Gage blocks
Ball bearings and races
Molds and dies
Valve components
Measuring instruments

Stainless Steel 440C CNC Machining Applications & Parts

Stainless Steel 440C is a high-carbon martensitic stainless steel renowned for its exceptional hardness, outstanding wear resistance, and good corrosion resistance. We specialize in precision machining this challenging material to produce durable, high-performance components that meet the most demanding specifications.

Typical Parts We Machine from Stainless Steel 440C:

  • Cutting Tools & Blades: Surgical blades, industrial knife blades, food processing cutters, slitter blades
  • Aerospace & Defense: Bearings for high-stress environments, valve components, landing gear parts, fasteners
  • Industrial Machinery: Pump shafts, seals, mold inserts, gauges, and other high-wear tooling components
  • Medical & Dental Equipment: Scalpel handles, surgical instrument jaws, dental drill bits, biopsy punch components

Our Machining Advantage:

Our expertise lies in machining hardened Stainless Steel 440C using state-of-the-art CNC equipment with rigid setups and specialized, wear-resistant carbide tooling, ensuring precise tolerances and eliminating geometric deformation.

Get an Instant Quotefor your custom Stainless Steel 440C parts today.

Tagged: Metal Stainless steel
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