Austenitic heat-resistant
1.4845 TP 310S X8CrNi25-21
Heat-resistant austenitic Cr-Ni grade with good scaling resistance and high hot strength.
Download data sheet (PDF)Availability
Per our product catalogueOur product catalogue lists no sizes in 1.4845. Send us an enquiry for this grade directly.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.15 |
| SiSilicon | ≤0.75 |
| MnManganese | ≤2 |
| PPhosphorus | ≤0.045 |
| SSulphur | ≤0.03 |
| CrChromium | 24–26 |
| NiNickel | 19–22 |
Mechanical properties
room temperature- Scaling temperature (°C)
- 1050
Standard equivalences
- DIN/EN
- X8CrNi25-21
- AISI
- 310S
- UNS
- S31008
- SS
- 2361
- AFNOR
- Z12 CN 25.20
- BS
- 310 S24
- PN
- H23N18
Typical applications
- Industrial furnace and apparatus construction
- Thermowell tubes, steelworks and smelters
- Air preheaters, recuperators, furnace tubes
- Protection tubes for electric resistance heating
Frequently asked questions
What is 1.4845 (TP 310S)?
1.4845 (X8CrNi25-21) — Austenitic heat-resistant. Heat-resistant austenitic Cr-Ni grade with good scaling resistance and high hot strength.
Which grades are equivalent to 1.4845?
1.4845 corresponds to EN X8CrNi25-21; equivalent designations: AISI 310S, UNS S31008, SS 2361, AFNOR Z12 CN 25.20, BS 310 S24, PN H23N18.
Related grades
Indicative values — verify against the applicable standard before specifying.
Request this grade