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NiCr20TiAl | 2.4952 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Predecessor Application temperature [°C]
2.4952 (DIN 17742 : 2020-12) 2.4952 DIN 17742 : 2020-12 Supersedes DIN 17742 : 2002-09 Valid Germany NiCr20TiAl ≤ 1000 1)
1) Remark: Precipitation-hardenable, austenitic NiCrFe alloy for creep resistant components.

Chemical Composition

Al [%] B [%] C [%] Co [%] Cr [%] Cu [%] Fe [%] Mn [%] Ni [%] P [%] S [%] Si [%] Ti [%]
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Mechanical Properties

Semi-finished Product Condition Condition Number Strength Abbrevation Area [mm²] Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Physical Properties

Temperature [°C] Melting 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)] Magnetizeability
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Welding and Joining

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

Semi-finished Product Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Creep Rupture Behaviour

Temperature [°C] Creep Tensile Strength at 10^4 h [MPa] Creep Tensile Strength at 3*10^4 h [MPa] Creep Tensile Strength at 10^5 h [MPa] 0.2% Creep Limit at 10^4 h [MPa] 0.2% Creep Limit at 10^5 h [MPa] 1% Creep Limit at 10^4 h [MPa] 1% Creep Limit at 3*10^4 h [MPa] 1% Creep Limit at 10^5 h [MPa]
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Heat Treatment

Heat Treatment Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
GH4080A China GB/T 12773 1)
H40480 China GB/T 12773 1)
GH4080A China GB/T 14992 1)
H40480 China GB/T 14992 1)
GH4080A China GB/T 14994 1)
H40480 China GB/T 14994 1)
NiCr20TiAl Europe EN 10090
NiCr20TiAl Europe EN 10269
NiCr20TiAl Europe EN 10302
NC 20 TA France AFNOR 2)
2 HR 1 Great Britain BS 3 HR 1 1)
2 HR 401 Great Britain BS 3 HR 401 1)
3 HR 601 Great Britain BS 4 HR 601 1)
NiCr20TiAl International ISO 683-15 1)
NiCr20TiAl International ISO 4955 1)
4952-070-80-I International ISO 4955 1)
NCF 80A Japan JIS G 4901 1)
NFC 80A Japan JIS G 4902 1)
Nimonic 80A South Korea KS D 3750 1)
N07080 USA UNS 3)
SB-637 UNS N07080 USA ASME SB-637 3)
B637 UNS N07080 USA ASTM B637 3)
Nimonic 80A USA SAE J467 3)
HEV-5 USA SAE J775 3)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach
2) Source: Werkstoffdatenblatt Nr. 4048, VDM Metals International GmbH, Werdohl, 11/2020
3) Source: Metals & Alloys in the Unified Numbering System, SAE/ASTM, 11th Edition, 2008

Producer/Supplier/Trade names

Tradename Supplier
Alloy 80A BIBUS METALS AG, Fehraltorf
Chronin 80A Deutsche Nickel GmbH, Schwerte
Alloy 80A Faulenbach Schmiedetechnik GmbH, Wiehl
VDM Alloy 80 A VDM Metals GmbH, Werdohl
Nicrofer 7520 Ti VDM Metals GmbH, Werdohl
2.4952 M. Woite GmbH, Erkrath

Material Compliance

REACh RoHS
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