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CuSn7Zn4Pb7-C | CC493K Material Datasheet

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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Predecessor VDA 231-106 classification
CC493K (DIN EN 1982 : 2024-12) CuSn7Zn4Pb7-C CC493K DIN EN 1982 : 2024-12 Supersedes DIN EN 1982 : 2017-11 Valid Germany CuSn7Zn4Pb7-C 3.2 1)
1) Remark: Copper-tin-zinc-lead alloy castings. Typical application: bushes, valves and fittings

Chemical Composition

Al [%] Cu [%] Fe [%] Ni [%] P [%] Pb [%] S [%] Sb [%] Si [%] Sn [%] Zn [%]
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Material Compliance

REACh RoHS
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Mechanical Properties

Casting Method Condition 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 [10^-6*K^-1] 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] Specific Electric Conductivity [% IACS]
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Cross Reference

Material Name Country Standard
C93200 Australia AS 1565 1)
G-CuSn7ZnPb Germany DIN 1705 2)
2.1090.01 Germany DIN 1705 2)
GZ-CuSn7ZnPb Germany DIN 1705 2)
2.1090.03 Germany DIN 1705 2)
GC-CuSn7ZnPb Germany DIN 1705 2)
2.1090.04 Germany DIN 1705 2)
G-CuSn7ZnPb Germany Germanischer Lloyd 1)
CuSn7Zn4Pb7-C Europe EN 1982
CuSn7Pb6Zn3 International ISO 1338 1)
Cu Sn7 Zn4 Pb7 Norway DNV
Leaded gunmetal Norway DNV
C93200 USA UNS 1)
B505 UNS C93200 USA ASTM B505 1)
B763 UNS C93200 USA ASTM B763 1)
B271 UNS C93200 USA ASTM B271 1)
B584 UNS C93200 USA ASTM B584 1)
83-7-7-3 USA 1)
High-leaded tin bronze USA 1)
Leaded gunmetal USA SAE 660 1)
1) Source: Deutsches Kupferinstitut Berufsverband e.V., Düsseldorf
2) Source: DIN CEN/TS 13388 (DIN SPEC 9700)

Producer/Supplier/Trade names

Tradename Supplier
Bögra Rotguss Rg7 BÖGRA Technologie GmbH, Solingen
G-CuSn7ZnPb Wieland Metal Services Germany GmbH, Düsseldorf
G-CuSn7ZnPb Ed. Fitscher GmbH & Co KG, Oberhausen
G-CuSn7ZnPb Fehrmann Metallverarbeitung GmbH, Hamburg
St-Rg7 Manfred J.C. Niemann, Bremen
CuSn7Zn4Pb7-C Wieland Recycling GmbH, Ulm
GCRg7 Mittelrheinische Metallgießerei H. Beyer GmbH & Co KG, Andernach
GZ-CuSn7ZnPb Schreier Metall GmbH, Erkrath
GB4 Wieland-Werke AG, Ulm