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CuSn7Zn4Pb7-C | CC493K Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Scope	Standard Status	Country	Predecessor	Successor	VDA 231-106 classification
CC493K (DIN EN 1982 : 1998-12)	CuSn7Zn4Pb7-C	CC493K	DIN EN 1982 : 1998-12	DIN EN 1982 : 1998-12 replaced by DIN EN 1982 : 2008-08	Replaced	Germany	G-CuSn7ZnPb	CuSn7Zn4Pb7-C	3.2	1)
1) Remark: CuSn7Zn4Pb7-C, mat. No. CC493K (former G-CuSn7ZnPb, mat. No. 2.1090 acc. to DIN 1705), is a medium-hard friction-bearing material with favorable emergency running properties as well as high seawater resistance. The material is splendidly suitable for friction-bearing shells in general machine engineering (peak demands of p up to 4000 N/cm² permissible), for axle bearing shells and coupling rod bearings, for mean loaded sliding plates and strips, for normally and highly loaded friction-bearing bushings and shells, for using of shafts made of untempered construction steels as well as of surface tempered steels, also for slight edge pressures. For piston pin bushings applicable at p up to 4000 N/cm², for crank and knee-lever bearings with peak demands of p up to 3000 N/cm². For ship-shaft coverings and cylinder insert bushings, medium up to highly loaded sliding strips and adjustment gibs for machine tools, mean loaded coupling parts, friction rings and discs. Processing properties: machinability: very good soft soldering: good hard soldering: conditionally gas fusion welding: bad gas shielded welding: bad burnishing (mech.): good galvanizing: good suitability for dip tinning: good (material specification applies for G-CuSn7ZnPb acc. to DIN)

Chemical Composition

Cu [%]	Ni [%]	P [%]	Pb [%]	Sn [%]	Zn [%]
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Material Compliance

REACh	RoHS
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Mechanical Properties

Casting Method	Designation of the delivered Condition DIN	Delivery Condition EN	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)]	Electric Conductivity [MS/m]
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Cross Reference

Material Name	Country	Standard
CuSn7Pb6Zn4	France	NF A53-707-87
CuSn7Pb3Zn3	Great Britain	BS 1400-85
C93200	USA	ASTM B 30
C93200	USA	ASTM B 505
C93200	USA	ASTM B 763
C93200	USA	ASTM B 271
C93200	USA	ASTMB 584
C93200	USA	FED QQ-C-390
C93200	USA	Ingot 315
C93200	USA	SAE J461
C93200	USA	SAE J462
G-CuSn7ZnPb	Germany	DIN 1705
2.1090	Germany

Producer/Supplier/Trade names

Tradename	Supplier
G-CuSn7ZnPb	Ed. Fitscher GmbH & Co KG, Oberhausen
GC-CuSn7ZnPb	Mittelrheinische Metallgießerei H. Beyer GmbH & Co KG, Andernach
GC-CuSn7ZnPb	Ed. Fitscher GmbH & Co KG, Oberhausen
GZ-CuSn7ZnPb	Schreier Metall GmbH, Erkrath
Bögra Rotguß Rg7	BÖGRA Technologie GmbH, Solingen
G-CuSn7ZnPb	Wieland Metal Services Germany GmbH, Düsseldorf
G-CuSn7ZnPb	Fehrmann Metallverarbeitung GmbH, Hamburg
GB4	Wieland-Werke AG, Ulm
GC-CuSn7ZnPb	Wieland-Werke AG, Ulm
GC-CuSn7ZnPb	Schreier Metall GmbH, Erkrath
GCRg7	Mittelrheinische Metallgießerei H. Beyer GmbH & Co KG, Andernach
GZ-CuSn7ZnPb	Mittelrheinische Metallgießerei H. Beyer GmbH & Co KG, Andernach
GZ-CuSn7ZnPb	Ed. Fitscher GmbH & Co KG, Oberhausen
Rg7	Schreier Metall GmbH, Erkrath
Rg7	Wieland Metal Services Germany GmbH, Düsseldorf
St-Rg7	Manfred J.C. Niemann, Bremen