Schierle Siyaya
Austenitic heat-resistant

1.4876

Alloy 800

X10NiCrAlTi32-20

High-temperature iron-nickel-chromium alloy (Alloy 800) for high-temperature plant, with good creep strength and oxidation resistance.

Chemical composition

mass %
ElementContent
CCarbon≤0.12
SiSilicon≤1
MnManganese≤2
PPhosphorus≤0.03
SSulphur≤0.02
AlAluminium0.15–0.6
TiTitanium0.15–0.6
CrChromium19–23
NiNickel30–34

Mechanical properties

room temperature
Scaling temperature (°C)
1100

Standard equivalences

DIN/EN
X10NiCrAlTi32-20
AISI
Alloy 800 / 800H
UNS
N08800
SS
3076
AFNOR
Z8 NC 32.21
BS
NA 15 H

Typical applications

  • Power plants and reactors
  • Heat-treatment plant (tubes, muffles, baskets)
  • Industrial furnaces
  • Chemical and petrochemical pressure vessels and boilers
  • Coal gasification, waste incineration

Frequently asked questions

What is 1.4876 (Alloy 800)?

1.4876 (X10NiCrAlTi32-20) — Austenitic heat-resistant. High-temperature iron-nickel-chromium alloy (Alloy 800) for high-temperature plant, with good creep strength and oxidation resistance.

Which grades are equivalent to 1.4876?

1.4876 corresponds to EN X10NiCrAlTi32-20; equivalent designations: AISI Alloy 800 / 800H, UNS N08800, SS 3076, AFNOR Z8 NC 32.21, BS NA 15 H.

Related grades

Indicative values — verify against the applicable standard before specifying.

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