Chemical Composition

Elements Min (%) Max (%)
Cu 55.00 57.00
Pb 1.60 3.00
Sn - 0.30
Fe - 0.30
Al 0.50 0.50
Ni - 0.30
Total Others - 0.20
Zn Remainder

Mechanical Properties According To BS2874 (As Per Temper M)

No Mechanical properties for this alloy. Mechanical properties as agreed between punchers and supplier.


PHYSICAL PROPERTIES
Electrical conductivity %IACS 25
Thermal conductivity W/(m·K) 113
Thermal expansion coefficient (0–300 °C)  10-6 /K 21.40
Density 8.46 g/cm3
Modulus of elasticity 96 Gpa
FABRICATION PROPERTIES 
Machinability (CuZn39Pb3 = 100 %) 80%
Capacity for being cold worked Poor
Capacity for being hot worked Excellent
Resistance welding (butt weld) Fair
Inert gas shielded arc welding Poor
Gas welding Poor
Hard soldering Fair
Soft soldering Excellent
Melting range 880–895 °C
Hot working 650–800 °C
Soft annealing  (1–3 h) 450–600 °C
Thermal stress relieving (1–3 h) 200–300 °C


Patel Metal Alloys
Our Quality Policy

Our prime focus is to manufacture and supply only Quality copper alloys extrusions. To ensure quality, we adhere to all the standard compliance check and keep our quality standard updated with the help of progressive and sharing learning.

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