PB1 Phosphor Bronze

BS1400:1985

Composition (maximum % unless otherwise listed)

Cu Remainder
Sn 10.2 - 11.5
Zn* 0.05
Pb* 0.25
P 0.60 - 1.0
Ni* 0.10
Fe* 0.10
Al* 0.01
Mn* 0.05
Sb* 0.05
Si* 0.02
S* 0.05
T-I 0.60

T-I   Total Impurities

Elements marked with * are specified impurities

Typical Physical Properties

Tensile Strength (MPa) 220-280
Elongation (% min) 3-8
0.2% Proof Stress (MPa) 130-160
Hardness (HB) 70-100

Related Specifications

AS 1565:1985 C90710
AS 1565:1974 904D
SAE 65

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