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Stainless Steel CNC Machining Shops — 303, 304 & 316 Parts

Stainless steel combines corrosion resistance with high strength, making it essential for food-processing, medical, marine, and chemical applications. CNC shops machine grades 303, 304, and 316 stainless for parts that must withstand harsh environments without surface treatment.

Typical Uses

  • Medical device components
  • Food processing equipment
  • Marine fittings and hardware
  • Chemical processing valves and fittings
Alfa-Tech Quality Steel

Alfa-Tech is a leading supplier of high-quality steel products, proudly serving a wide range of industries across the globe. Our extensive product portfolio includes sheets, plates, tubes, forgings, rolled bars, strips, wires, profiles, and drawn bars. We specialize in premium-grade materials, adhering to international standards such as EN, ASTM, DIN, and ISO. Our range covers heat-resistant steels, stainless steels, bearing steels, nitriding and case-hardening grades, heat-treated steels, boiler steel g

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Frequently Asked Questions

What materials do CNC shops use for stainless steel machining?
Stainless steel combines corrosion resistance with high strength, making it essential for food-processing, medical, marine, and chemical applications. CNC shops machine grades 303, 304, and 316 stainless for parts that must withstand harsh environments without surface treatment. Typical applications include: Medical device components, Food processing equipment, Marine fittings and hardware, Chemical processing valves and fittings.
How do I choose a CNC shop for stainless steel parts?
Look for shops with documented experience machining stainless steel, relevant certifications (ISO 9001, AS9100 for aerospace), and in-house inspection capability. Request sample or first-article inspection reports before committing to production volumes.
What tolerances can CNC shops hold on stainless steel parts?
Most precision CNC shops can hold ±0.001″ (±0.025 mm) tolerances on stainless steel parts as standard. Tighter tolerances down to ±0.0002″ are achievable with specialized equipment and process controls. Confirm tolerance requirements upfront in your RFQ.

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