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CuNi25 | 2.0830 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Number (single)	Standard	Standard Status	Country	VDA 231-106 classification
2.0830 (DIN 17664 : 1983-12)	2.0830	DIN 17664 : 1983-12	Withdrawn without replacement	Germany	3.2	1)
1) Remark: CuNi25 - good strength values, in case of continuous stress and higher temperatues, too - obtainable strength is F30 - nickel reduces thermal conductivity of pure copper and increases strongly the electrical conductivity - resistant to corrosion and wear Manufacturing properties: - hot forming: good - cold forming: good - grindability: medium - brazing: very good - soldering: very good - inert gas welding: very good - burnishing: very good Application: - alloy for mintage, because of its silver-white color, gloss tarnish resistance and good wear resistance - material for plating

Chemical Composition

C [%]	Fe [%]	Mn [%]	Ni [%]	Pb [%]	S [%]	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]	Hardness HB \| HBW	Hardness HV
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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)]
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Cross Reference

Material Name	Country	Standard
CuNi25	Bulgaria	BDS 13709-76
MN25	Russia	GOST 492-73
CuNi25	International	ISO 429-83
MN25	Poland	PN-78/H-87052
CuNi25	Hungary	MSZ 771/1-77
CuNi25 (CW350H)	Germany	DIN EN 1652

Producer/Supplier/Trade names

Tradename	Supplier
CuNi25	CSN Carl Schreiber GmbH, Neunkirchen
CuNi25	KME Germany GmbH, Osnabrück

Material Compliance

REACh	RoHS
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