CNC Machining for Stainless Steel Parts

Stainless steel parts provide excellent machinability, workability, and uniformity, and are resistant to corrosion and oxidation

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Stainless steel is well-suited for a wide array of CNC machining projects, due to its excellent machinability and outstanding uniformity. It also has good workability and weldability to match your specific machining needs, as well as high ductility and formability to meet the specification requirements of any project.

Because of its advantageous physical properties, stainless steel has proven to be one of the more popular industrial alloys for CNC machining projects. The metal has a very high tensile strength, and has high resistance to corrosion and wear, resulting in added product durability and part longevity.

Compare Stainless Steel Alloys

We offer a variety of stainless steel options to suit any specifications or requirements. Stainless Steel 304/304L and 316/316L as well as Stainless Steel 303 and Type 360 (17-4) have all proven to be high-quality options for CNC machining projects that require either milling or turning. Check out our material comparison guide for more information.

 Stainless Steel Alloy  Ultimate Tensile Strength Elongation  Hardness 
Stainless Steel 303 100 kpsi 40% 96 HRB 
Stainless Steel 304 73 kpsi 70% 70 HRB
Stainless Steel 316 84 kpsi 50% 79 HRB
Stainless Steel 17-4PH 150 kpsi 8% 33 HRC

Stainless Steel Machining Applications

CNC machining of stainless steel is used to produce a variety of parts in the medical industry, robotics, food and beverage industry, aerospace, and any industry that requires high-strength applications. Stainless steel is an ideal material for applications such as:

  • Medical instruments
  • Machine parts
  • Gears
  • Parts for tractors
  • Heavy construction equipment
  • Vacuum and pressure vessels

Stainless steel provides excellent machinability, outstanding uniformity, and is corrosion and oxidation resistant, leading to longer product life and lower total cost of machined parts.

Benefits of Stainless Steel 304/304L and 316/316L

  • Processed for improved machinability
  • Outstanding uniformity
  • Faster machining speeds
  • Longer tool life
  • Improved part surface quality
  • Corrosion resistant
  • Lower total cost of machined parts

Benefits of Stainless Steel 303

  • Designed to exhibit improved machinability
  • Non-magnetic austenitic stainless steel
  • Corrosion-resistant properties
  • Resistant to oxidation

Benefits of Stainless Steel Type 360 (17-4)

  • Precipitation-hardening martensitic stainless steel
  • Superior corrosion resistance
  • High strength in all conditions
  • Good machinability