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NiCr25FeAlY | 2.4633 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor Application temperature [°C] VDA 231-106 classification
2.4633 (DIN 17742 : 2020-12) 2.4633 DIN 17742 : 2020-12 Supersedes DIN 17742 : 2002-09 Valid Germany NiCr25FeAlY -10 - 1150 3.4 1)
1) Remark: NiCrFe alloy for furnace components and heat and corrosion resistant components.

Chemical Composition

Al [%] C [%] Cr [%] Cu [%] Fe [%] Mn [%] P [%] S [%] Si [%] Ti [%] Y [%] Zr [%]
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Mechanical Properties

Semi-finished Product Condition Strength Abbrevation Nominal Size [mm] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Yield Strength (1.0% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)]
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Welding and Joining

Procedure Welding and Joining - Evaluation Interpass Temperature [°C] Added Materials Information
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Toughness Data (Impact)

Condition Temperature [°C]
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Heat Treatment

Heat Treatment Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
NiCr25FeAlY Europe EN 10302
N06025 USA UNS 1)
B163 UNS N06025 USA ASTM B163 1)
B166 UNS N06025 USA ASTM B166 1)
B167 UNS N06025 USA ASTM B167 1)
B168 UNS N06025 USA ASTM B168 1)
B366 UNS N06025 USA ASTM B366 1)
B462 UNS N06025 USA ASTM B462 1)
B516 UNS N06025 USA ASTM B516 1)
B517 UNS N06025 USA ASTM B517 1)
B546 UNS N06025 USA ASTM B546 1)
B564 UNS N06025 USA ASTM B564 1)
B924 UNS N06025 USA ASTM B924
NiCr25FeAlY Germany DIN 17750
NiCr25FeAlY Germany DIN 17751
NiCr25FeAlY Germany DIN 17752
NiCr25FeAlY Germany DIN 17753
NiCr25FeAlY Germany VdTÜV WB 540
NiCr26FeAlY 2)
1) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008
2) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename Supplier
2.4633 BUTTING Group, Knesebeck
602CA Deutsche Nickel GmbH, Schwerte
NiCr25FeAlY Deutsche Nickel GmbH, Schwerte
Alloy 602 Enpar Sonderwerkstoffe GmbH, Gummersbach
Alloy 602 Faulenbach Schmiedetechnik GmbH, Wiehl
VDM Alloy 602 CA VDM Metals GmbH, Werdohl
Nicrofer 6025HT VDM Metals GmbH, Werdohl

Material Compliance

REACh RoHS
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