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NiCr20Co18Ti | 2.4632 Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification Application temperature [°C]
2.4632 (DIN EN 10302 : 2002-09) NiCr20Co18Ti 2.4632 DIN EN 10302 : 2002-09 DIN EN 10302 : 2002-09 replaced by DIN EN 10302 : 2008-06 Replaced Germany NiCr20Co18Ti 3.4 ≤ 1000 1)
1) Remark: The aviation material NiCr20Co18Ti, material number 2.4632, can be found in the material specifications of the Deutsche Luftfahrt [German Aviation] 2.4632-1 : 1993-8, 2.4632-2 : 1993-8, 2.4632-3 : 1993-8, 2.4632-4 : 1993-8 and 2.4632-100 : 1993-8. DIN 17744 : 1973-01 (invalid) listed the material under material number 2.4969. The alloy can be precipitation hardened and is highly creep resistant and resistant to scaling up to approximately 1000 degrees C. It possesses good resistance to corrosion and oxidation at high temperatures. However, vanadine-pentoxide, sodium and sulfur compounds can lead to hot gas corrosion. It is used for highly stressed construction components, for example gas turbine shovels, parts of casings, after burner parts, discs, shafts, hot worked tools, sledge hammers, forging saddles, pressure tools, shearing blades, springs.

Chemical Composition

Al [%] B [%] C [%] Co [%] Cr [%] Cu [%] Fe [%] Mn [%] P [%] S [%] Si [%] Ti [%] Zr [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%]
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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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Creep Rupture Behaviour

Condition Temperature [°C] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa] 1% Creep Limit at 10^4 h [MPa] 1% Creep Limit at 10^5 h [MPa]
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Heat Treatment

Semi-finished Product Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
NCK20TA France AIR 9165
2HR2 Great Britain BS 2HR2
NA 19 Great Britain BS 3075
HR202 Great Britain BS HR202
HR402 Great Britain BS HR402
HR 501 Great Britain BS HR501
HR 502 Great Britain BS HR502
HR 503 Great Britain BS HR503
NiCr20Co18Ti Germany WL 2.4632

Producer/Supplier/Trade names

Tradename Supplier
2.4632 Saarstahl AG, Völklingen
2.4632 Platestahl Umformtechnik GmbH, Lüdenscheid
2.4632 Rolf Kind GmbH, Gummersbach
2.4632 Sprint Metal Edelstahlziehereien GmbH, Hemer
2.4632 INOX SERVICE CENTER GmbH, Krefeld
2.4632 Imet Industriemetall Handelsgesellschaft mbH, Hamburg
Alloy 90 ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
Alloy 90 Enpar Sonderwerkstoffe GmbH, Gummersbach
BGH 2.4632 BGH Edelstahl Siegen GmbH
BÖHLER L307 voestalpine BÖHLER Edelstahl GmbH & Co.KG, Kapfenberg
Coralloy 4632 (LW) Chr. Höver & Sohn GmbH & Co. KG, Lindlar
Dux 4632 Swiss Steel International GmbH, Düsseldorf
Nicklkelvac 90 ATI Europe, Düsseldorf
NiCr20Co18Ti Hoesch Hohenlimburg GmbH, Hagen
Nimonic 90 Platestahl Umformtechnik GmbH, Lüdenscheid
Nimonic 90 Sprint Metal Edelstahlziehereien GmbH, Hemer
Nimonic 90 entspr. Chr. Höver & Sohn GmbH & Co KG, Lindlar
NIMONIC alloy 90 Special Metals Deutschland Ltd., Düsseldorf
PER 2 U AUBERT & DUVAL Deutschland GmbH, München
Werkstoff 90 ZAPP AG, Ratingen