Austenitic stainless
1.4306
TP 304L
X2CrNi19-11
Extra-low-carbon 304 with slightly higher chromium and nickel than 1.4307; weld-stable against intergranular corrosion.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.03 |
| SiSilicon | ≤1 |
| MnManganese | ≤2 |
| PPhosphorus | ≤0.04 |
| SSulphur | ≤0.015 |
| NNitrogen | ≤0.11 |
| CrChromium | 18–20 |
| NiNickel | 10–12 |
Mechanical properties
room temperature- Rp0.2 min (N/mm²)
- 180
- Rp1.0 min (N/mm²)
- 215
- Rm (N/mm²)
- 460–680
- Elongation A% (longitudinal)
- 40
- Elongation A% (transverse)
- 35
- Impact energy KV J (longitudinal)
- 100
- Impact energy KV J (transverse)
- 60
Seamless tube.
Standard equivalences
- DIN/EN
- X2CrNi19-11
- AISI
- 304L
- UNS
- S30403
- SS
- 2352
- AFNOR
- Z2 CN 18.10
- BS
- 304 S11
Typical applications
- Offshore modules
- Chemical-tanker tanks and piping
- Chemical, food and beverage storage and transport
- Pharmaceutical, synthetic-fibre, paper and textile plant
- Pressure vessels
Frequently asked questions
What is 1.4306 (TP 304L)?
1.4306 (X2CrNi19-11) — Austenitic stainless. Extra-low-carbon 304 with slightly higher chromium and nickel than 1.4307; weld-stable against intergranular corrosion.
Which grades are equivalent to 1.4306?
1.4306 corresponds to EN X2CrNi19-11; equivalent designations: AISI 304L, UNS S30403, SS 2352, AFNOR Z2 CN 18.10, BS 304 S11.
Related grades
Indicative values — verify against the applicable standard before specifying.
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