304 Stainless Steel
1.4301
- EN1.4301
- ENX5CrNi18-10
- AISI304
- UNSS30400
The most widely used austenitic stainless steel. Combines good corrosion resistance, formability and weldability at an economical price; the standard for general-purpose stainless applications.

01Material Properties
- Good general corrosion resistance (atmosphere, food, mild acids)
- Non-magnetic (slightly magnetic after cold work)
- Not hardenable by heat treatment
- Very good formability and deep drawing
- Good weldability
02Applications
- Food and beverage equipment
- Kitchen and appliance components
- Building and architectural applications
- Tanks, vessels and piping
- General machine parts
03Delivery Condition
- Solution annealed (max. 215 HB); bar, plate, sheet, tube, sections.
04Heat Treatment
Typical values
- Solution annealing
- 1010–1120 °C; water / rapid air cooling
- Hardening
- Not hardenable by heat treatment
- Strengthening
- By cold working
- Range to avoid
- Prolonged holding at 450–850 °C
- Delivery condition
- Solution annealed, max. 215 HB
Heat treatment cycle (schematic)
Values are approximate and for information only; they vary with section size, heat and furnace conditions. Binding values are determined from the manufacturer’s data under laboratory conditions.
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