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CuAl9Ni3Fe2 | 2.0971 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Standard Status	Country
2.0971 (DIN 17665 : 1983-12)	2.0971	DIN 17665 : 1983-12	Withdrawn without replacement	Germany	1)
1) Remark: CuAl9Ni3Fe2 (earlier CuAl9Ni2) is a high strength wrought alloy, also at increased temperatures. The strength properties of the cold formable alloy are mainly influenced by the strain rate. The tensile strength, the yield strength and the hardness will increase and the elongation decrease with increasing cold forming rate. The strength amounts to F51. The electric conductivity and the heat conductivity of this grade decrease with increasing Al-content. CuAl9Ni3Fe2 is corrosion resistant to sea water, potash solution and mineral acids. It has a high heat-resistance up to about 300 degrees C and a high fatigue strength, also under corrosion stress. The material is resistant to scaling, has a high wear resistance, a high corrosion resistance to salt water, sulphite lye, mineral acids, is resistant to erosion and cavitation. Processing properties: Hot forming: good Cold forming: poor Cutting: mid Brazing: mid Soft soldering: poor Gas-shielded welding: very good Polishing: good Application: Because of its good weldability good suitable for composite constructions made of cast and wrought material of the same type. Bearing parts for shock loading as well as components for the animal feed industry.

Chemical Composition

Al [%]	Fe [%]	Mn [%]	Ni [%]	Pb [%]	Si [%]	Sn [%]	Zn [%]
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Mechanical Properties

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

Temperature [°C]	Melting Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Thermal Conductivity [W/(m*K)]	Electric Conductivity [MS/m]
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Creep Rupture Behaviour

Condition	Temperature [°C]	Creep Tensile Strength at 10³ h [MPa]	Creep Tensile Strength at 10^4 h [MPa]	1% Creep Limit at 10³ h [MPa]	1% Creep Limit at 10^4 h [MPa]
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Cross Reference

Material Name	Country	Standard
CuAl9Fe2Ni2Mn1	France	NF A 51-102
CuAl9Ni2Fe1Mn	France	NF A 51-115
CuAl9Ni3Fe2	International	ISO 428-83
CuAl9Ni3Fe2 (CW304G)	Germany	DIN EN 12165
CuAl9Ni3Fe2 (CW304G)	Germany	DIN EN 12420
CuAl9Ni3Fe2 (CW304G)	Germany	DIN EN 1653

Producer/Supplier/Trade names

Tradename	Supplier
CuAl9Ni3Fe2	CSN Carl Schreiber GmbH, Neunkirchen
CuAl9Ni3Fe2	Schreier Metall GmbH, Erkrath
CuAl9Ni3Fe2	Wieland Prometa GmbH, Düsseldorf
EBw	ZOLLERN GmbH & Co. KG, Sigmaringen

Material Compliance

REACh	RoHS
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