1.4301
TP 304
X5CrNi18-10
The classic 18/10 chromium-nickel austenitic and the most widely used stainless steel — good general corrosion resistance, excellent formability and weldability, non-magnetic in the solution-annealed condition.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.07 |
| SiSilicon | ≤1 |
| MnManganese | ≤2 |
| PPhosphorus | ≤0.045 |
| SSulphur | ≤0.015 |
| NNitrogen | ≤0.11 |
| CrChromium | 17–19.5 |
| NiNickel | 8–10.5 |
Mechanical properties
room temperature- Rp0.2 min (N/mm²)
- 190
- Rp1.0 min (N/mm²)
- 225
- Rm (N/mm²)
- 500–700
- Elongation A% (longitudinal)
- 45
- Elongation A% (transverse)
- 35
- Impact energy KV J (longitudinal)
- 100
- Impact energy KV J (transverse)
- 60
Solution-annealed; values for thin dimensions. Hardness ≤215 HB30.
Standard equivalences
- DIN/EN
- X5CrNi18-10
- AISI
- 304
- UNS
- S30400
- SS
- 2333
- AFNOR
- Z7 CN 18.09
- BS
- 304 S31
- PN
- 0H18N9
Typical applications
- Food & beverage production and storage (milk, beer, wine)
- Kitchen equipment, cutlery and tableware
- Architecture, façades and railings
- Apparatus for the chemical and pharmaceutical industry
Frequently asked questions
What is 1.4301 (TP 304)?
1.4301 (X5CrNi18-10) — Austenitic stainless. The classic 18/10 chromium-nickel austenitic and the most widely used stainless steel — good general corrosion resistance, excellent formability and weldability, non-magnetic in the solution-annealed condition.
Which grades are equivalent to 1.4301?
1.4301 corresponds to EN X5CrNi18-10; equivalent designations: AISI 304, UNS S30400, SS 2333, AFNOR Z7 CN 18.09, BS 304 S31, PN 0H18N9.
Related grades
Indicative values — verify against the applicable standard before specifying.
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