LG1 Leaded Gunmetal

BS1400:1985

Composition (maximum % unless otherwise listed)

Cu Remainder
Sn 2.0 - 3.5
Zn 7.5 - 9.5
Pb 4.0 - 6.0
Ni 2.0
Al* 0.01
Si* 0.02
Bi* 0.10
S* 0.1
Fe + As + Sb* 0.75
T-I 1.0

T-I   Total Impurities

Elements marked with * are specified impurities

Typical Physical Properties

Tensile Strength (MPa) 180-200
Elongation (% min) 11-15
0.2% Proof Stress (MPa) 80-130
Hardness (HB) 55-65

Related Specifications

AS 1565:1985 C83810
AS 1565:1974 838C
ASTM 838

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