Ferritic heat-resistant
1.4724
TP 405
X10CrAlSi13
Aluminium-silicon ferritic heat-resistant steel resistant to sulphur-bearing gases, including pickling-plant duty.
Chemical composition
mass %| Element | Content |
|---|---|
| CCarbon | ≤0.12 |
| SiSilicon | 0.7–1.4 |
| MnManganese | ≤1 |
| PPhosphorus | ≤0.04 |
| SSulphur | ≤0.03 |
| AlAluminium | 0.7–1.2 |
| CrChromium | 12–14 |
Mechanical properties
room temperature- Scaling temperature (°C)
- 850
Standard equivalences
- DIN/EN
- X10CrAlSi13
- AISI
- 405
- AFNOR
- Z10 C 3
- PN
- H13JS
Typical applications
- Furnaces, gas turbines, exhaust valves
- Power-plant and reactor construction
- Heat exchangers, muffle tubes, recuperators
- Salt-bath pickling tanks
Frequently asked questions
What is 1.4724 (TP 405)?
1.4724 (X10CrAlSi13) — Ferritic heat-resistant. Aluminium-silicon ferritic heat-resistant steel resistant to sulphur-bearing gases, including pickling-plant duty.
Which grades are equivalent to 1.4724?
1.4724 corresponds to EN X10CrAlSi13; equivalent designations: AISI 405, AFNOR Z10 C 3, PN H13JS.
Related grades
Indicative values — verify against the applicable standard before specifying.
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