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Tin Bronze

PHOSPHORUS BRONZE (GRADE-5)

ALLOY:- PHOSPHORUS BRONZE (GRADE-5)

STANDARD :- IS: 28-1985

CHEMICAL COMPOSITION MIN (%) MAX(%)
Copper (cu) BALANCE
Tin (Sn) 11.00 13.10
Lead (Pb) - 0.50
Zinc (Zn) - 0.30
Phosphorus (P) 0.15 -
Nickle (Ni) - 0.50
Iron (Fe) - 0.15
Antimony (Sb) - -
Aluminium (Al) - 0.01
Silicon (Si) - 0.02
MECHANICAL PROPERTIES Minimum Values
Molding Process Sand Casting Continuous Casting
Tensile Strength Rm (MPa) 270 310
0,2% Proof Strength Rp0,2 (MPa) 130 150
Elongation (%) 5 6
Hardness 80 90
EQUIVALENT INTERNATIONAL STANDARD
STANDARD ALLOY
BS 1400 PB 2
DIN 1705 CuSn12
EN 1982 CuSn12-C, CB483K
ASTM B505 C90700
JIS H5121 CAC 503C
TECHNICAL CHARACTERISTIC
Anti-friction properties make it a much-in-demand alloy
Hard wearing bronze containing a small amount of phosphorus
 Phosphorus increases wear resistance
suitable for bearings with high loads and pressure requirements