Schierle Siyaya
Austenitic heat-resistant

1.4841 TP 314 X15CrNiSi25-21

Heat-resistant austenitic Cr-Ni steel with good scaling resistance and high hot strength, for duty needing both oxidation resistance and mechanical load capacity.

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Availability

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Our product catalogue lists no sizes in 1.4841. Send us an enquiry for this grade directly.

Chemical composition

mass %
ElementContent
CCarbon≤0.2
SiSilicon1.5–2.5
MnManganese≤2
PPhosphorus≤0.045
SSulphur≤0.03
CrChromium24–26
NiNickel19–22

Mechanical properties

room temperature
Scaling temperature (°C)
1150

Standard equivalences

DIN/EN
X15CrNiSi25-21
AISI
314
UNS
S31400
AFNOR
Z12 CNS 20.20
BS
314 S25
PN
H25N20S2

Typical applications

  • Industrial furnace and apparatus construction
  • Thermowell tubes
  • Steelworks and smelters
  • Air preheaters, recuperators, furnace tubes

Frequently asked questions

What is 1.4841 (TP 314)?

1.4841 (X15CrNiSi25-21) — Austenitic heat-resistant. Heat-resistant austenitic Cr-Ni steel with good scaling resistance and high hot strength, for duty needing both oxidation resistance and mechanical load capacity.

Which grades are equivalent to 1.4841?

1.4841 corresponds to EN X15CrNiSi25-21; equivalent designations: AISI 314, UNS S31400, AFNOR Z12 CNS 20.20, BS 314 S25, PN H25N20S2.

Related grades

Indicative values — verify against the applicable standard before specifying.

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