Schierle Siyaya
Ferritic heat-resistant

1.4713

X10CrAl7

Aluminium-alloyed ferritic heat-resistant steel, particularly resistant to sulphur-bearing gases at elevated temperature under reducing conditions.

Chemical composition

mass %
ElementContent
CCarbon≤0.12
SiSilicon0.5–1
MnManganese≤1
PPhosphorus≤0.04
SSulphur≤0.03
AlAluminium0.5–1
CrChromium6–8

Mechanical properties

room temperature
Scaling temperature (°C)
800

Standard equivalences

DIN/EN
X10CrAl7
AFNOR
Z8 CA 7

Typical applications

  • Furnaces and gas turbines
  • Exhaust valves and thermowell tubes
  • Power-plant and reactor construction
  • Heat exchangers, muffle tubes, recuperators

Frequently asked questions

What is 1.4713 (—)?

1.4713 (X10CrAl7) — Ferritic heat-resistant. Aluminium-alloyed ferritic heat-resistant steel, particularly resistant to sulphur-bearing gases at elevated temperature under reducing conditions.

Which grades are equivalent to 1.4713?

1.4713 corresponds to EN X10CrAl7; equivalent designations: AFNOR Z8 CA 7.

Related grades

Indicative values — verify against the applicable standard before specifying.

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