Austenitic heat-resistant
1.4919
TP 316H
X6CrNiMo17-13
Controlled-carbon 316 for elevated-temperature service (316H) with improved creep strength for pressure parts.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | 0.04–0.08 |
| SiSilicon | ≤0.75 |
| MnManganese | ≤2 |
| CrChromium | 16–18 |
| MoMolybdenum | 2–2.5 |
| NiNickel | 12–14 |
| PPhosphorus | ≤0.035 |
| SSulphur | ≤0.015 |
Mechanical properties
room temperature- Rp0.2 min (N/mm²)
- 205
- Rm (N/mm²)
- 490–690
- Elongation A% (longitudinal)
- 35
A measured at L0 = 5 d0.
Standard equivalences
- DIN/EN
- X6CrNiMo17-13
- AISI
- 316H
- UNS
- S31609
- AFNOR
- X6CrNiMoB17-12-2
- BS
- 316 S50
Typical applications
- Power-plant and reactor construction
- Components for thermal power plant
- Valves, discs, housings
- Superheater, heat-exchanger and steam-line tubes
Frequently asked questions
What is 1.4919 (TP 316H)?
1.4919 (X6CrNiMo17-13) — Austenitic heat-resistant. Controlled-carbon 316 for elevated-temperature service (316H) with improved creep strength for pressure parts.
Which grades are equivalent to 1.4919?
1.4919 corresponds to EN X6CrNiMo17-13; equivalent designations: AISI 316H, UNS S31609, AFNOR X6CrNiMoB17-12-2, BS 316 S50.
Related grades
Indicative values — verify against the applicable standard before specifying.
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