CW622N

CW622N, a leaded brass, represents a notable advancement in the 60/40 brass category. It finds extensive use in large-scale production of brass components where optimizing output and tool longevity are paramount considerations. Additionally, this material is preferred when there is no subsequent cold forming required after machining.

CHEMICAL COMPOSITION
ElementsMin (%)Max (%)
Cu55.0057.00
Pb0.81.60
Sn0.30
Fe0.30
Al0.50.5
Ni0.30
Total Others0.20
ZnRemainder
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 %IACS25
Thermal conductivity W/(m·K)113
 10-6 /K 21.40 10-6 /K 21.40
Density8.46 g/cm3
Modulus of elasticity96 Gpa
FABRICATION PROPERTIES 
Machinability (CuZn39Pb3 = 100 %)80%
Capacity for being cold workedPoor
Capacity for being hot workedExcellent
Resistance welding (butt weld)Fair
Inert gas shielded arc weldingPoor
Gas weldingPoor
Hard solderingFair
Soft solderingExcellent
Melting range880–895 °C
Hot working650–800 °C
Soft annealing  (1–3 h)450–600 °C
Thermal stress relieving (1–3 h)200–300 °C

CW622N

Send Enquiry