LPB1 Leaded Phosphor Bronze

BS1400:1985

Composition (maximum % unless otherwise listed)

Cu Remainder
Sn 6.5 - 8.5
Zn 2.0
Pb 2.0 - 3.8
P 0.4 min
Ni 1.0
Fe* 0.2
Al* 0.01
Sb* 0.25
Si* 0.01
S* 0.1
T-I 0.50

T-I   Total Impurities

Elements marked with * are specified impurities

Typical Physical Properties

Tensile Strength (MPa) 190-250
Elongation (% min) 3-12
0.2% Proof Stress (MPa) 100-160
Hardness (HB) 60-90

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