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Stainless Steel Used in Precision Machining Service

Stainless steel is a popular material for CNC machining due to its durability, corrosion resistance, and versatility. Here are some commonly used stainless steel grades in CNC machining:


  1. 303 Stainless Steel:

    • Known for its excellent machinability, 303 stainless steel is often chosen for parts that require intricate details and precision. It offers good corrosion resistance.

  2. 304 Stainless Steel:

    • A widely used stainless steel grade, 304 is known for its corrosion resistance and versatility. It is suitable for a broad range of CNC-machined components.

  3. 316 Stainless Steel:

    • Recognized for its enhanced corrosion resistance, particularly in harsh environments, 316 stainless steel is commonly used in marine and chemical applications.

  4. 17-4 PH Stainless Steel:

    • Valued for its high strength and corrosion resistance, 17-4 PH is often chosen for aerospace and industrial applications where both strength and toughness are essential.

  5. 440C Stainless Steel:

    • A high-hardness stainless steel, 440C is suitable for applications requiring resistance to wear and abrasion. It is commonly used in the production of bearings and surgical instruments.

  6. 430 Stainless Steel:

    • Known for its good corrosion resistance and formability, 430 stainless steel is often used in decorative applications and components requiring a combination of durability and aesthetic appeal.

  7. 321 Stainless Steel:

    • With enhanced resistance to intergranular corrosion, 321 stainless steel is suitable for applications involving exposure to high temperatures, making it common in aerospace and automotive components.

  8. 17-7 PH Stainless Steel:

    • Known for its high strength and excellent fatigue resistance, 17-7 PH is often used in applications requiring a combination of strength and ductility.

  9. 410 Stainless Steel:

    • Recognized for its high strength and moderate corrosion resistance, 410 stainless steel is commonly used in applications requiring hardness and durability.

  10. 15-5 PH Stainless Steel:

    • Combining high strength with corrosion resistance, 15-5 PH is commonly used in aerospace and other applications where a combination of strength and corrosion resistance is crucial.

In cnc stainless steel machining, choosing the right stainless steel grade involves considering several factors such as the desired mechanical properties, corrosion resistance, machinability, and cost. Determine the required mechanical properties for the application and evaluate the corrosion resistance needed for the environment. Assess the machinability of different grades to ensure efficient production. Consider the cost implications of different stainless steel grades. Consulting with a material supplier or machining expert can provide valuable guidance. Ultimately, the selection should be based on a comprehensive evaluation of these factors to ensure the desired performance and cost-effectiveness of the final product.


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