CNC · Materials for comparison · Metal

Stainless steel 304

The most common stainless steel; food equipment, holders and enclosures.

What is Stainless steel 304?

304 is the most widely used stainless steel. With good corrosion resistance and machinability, it is used in food equipment, kitchen tools and industrial holders.

  • Metal
  • Chemical resistant
  • High strength

Technical data

Typical values compiled from common manufacturer datasheets; they vary by brand and grade.

Density≈ 8.0 g/cm³
Tensile strength≈ 515 – 700 MPa
Yield strength≈ 215 MPa
Elongation at break≈ 40%

Design guidelines for Stainless steel 304

General guidelines for CNC technology. All design guidelines

  • Minimum wall thickness0.8 – 1.5 mm
  • Smallest detailDepends on tool diameter
  • Clearance for moving parts0.05 – 0.1 mm
  • Text and logosEngraved ≥ 0.5 mm
  • Minimum hole diameterØ 1 mm
  • Unsupported overhang angleUndercuts require special tools

Applications

  • Food equipment
  • Holders and connectors
  • Enclosures

Advantages

  • Corrosion resistance
  • Common and economical

Limitations

  • Heavy
  • Long machining time

Comparison

Stainless steel 304 and alternatives

Compare in detail
PropertyStainless steel 304Stainless steel 316LStainless Steel
Density8 g/cm³7.9 g/cm³7.9 g/cm³
Tensile strength600 MPa600 MPa530 MPa
Elongation at break40 %38 %50 %
Modulus (stiffness)193 GPa190 GPa190 GPa
Heat deflection (0.45 MPa)———

Values are averages of typical ranges; see each material page for details.

Good to know

Frequently asked questions about Stainless steel 304

What is Stainless steel 304?

304 is the most widely used stainless steel. With good corrosion resistance and machinability, it is used in food equipment, kitchen tools and industrial holders.

Is Stainless steel 304 heat resistant?

Stainless steel 304 is a metal; it keeps its strength at much higher temperatures than polymers.

Can Stainless steel 304 be used outdoors?

Yes. Stainless steel 304 has good resistance to UV light and weather; it is suitable for outdoor parts.

Which parts are made with Stainless steel 304?

Stainless steel 304 is typically used in applications such as food equipment, holders and connectors, enclosures.

Which material can be used instead of Stainless steel 304?

Depending on the application, Stainless steel 316L, Stainless Steel can be alternatives. You can see the differences in the comparison tables on the material pages.

Does TAİ Robotik produce with Stainless steel 304?

For Stainless steel 304, send us your part's dimensions, quantity and operating conditions; we will determine the best production route and, if needed, an equivalent alternative together.

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