Schierle Siyaya
Nickel-based alloys

2.4602

Alloy C-22

NiCr21Mo14W

Nickel-chromium-molybdenum-tungsten alloy with excellent resistance to oxidising, reducing and mixed acids.

Chemical composition

mass %
ElementContent
CCarbon≤0.01
SiSilicon≤0.08
MnManganese≤0.05
PPhosphorus≤0.015
SSulphur≤0.02
CrChromium20–22.5
MoMolybdenum12.5–14.5
NiNickelbalance
CoCobalt≤2.5
FeIron2–6
WTungsten2.5–3.5
VVanadium≤0.35

Mechanical properties

room temperature
Scaling temperature (°C)
850

Standard equivalences

DIN/EN
NiCr21Mo14W
AISI
Alloy C-22
UNS
N06022

Typical applications

  • Flue-gas desulphurisation
  • Chemical and environmental plant
  • Waste incineration
  • Wastewater plant

Frequently asked questions

What is 2.4602 (Alloy C-22)?

2.4602 (NiCr21Mo14W) — Nickel-based alloys. Nickel-chromium-molybdenum-tungsten alloy with excellent resistance to oxidising, reducing and mixed acids.

Which grades are equivalent to 2.4602?

2.4602 corresponds to EN NiCr21Mo14W; equivalent designations: AISI Alloy C-22, UNS N06022.

Related grades

Indicative values — verify against the applicable standard before specifying.

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