CW617N

CW617N is the benchmark material for hot working applications. The moderate lead content enhances the machinability of drop-forged components. Due to its composition, this alloy is also well-suited for crafting intricate profiles and producing drawn shapes.

CHEMICAL COMPOSITION
ElementsMin (%)Max (%)
Cu57.0059.00
Al0.05
Fe0.30
Ni0.30
Pb1.602.50
Sn0.30
Total Others0.20
ZnRemainder

 

MECHANICAL PROPERTIES ACCORDING TO EN12164 (AS PER TEMPER R430)
Range (mm) From To UTS Min (N/mm²) PS Min (N/mm²) Elongation Min (%) Hardness Min (HV) Hardness Max (HV)
Round (Dia) 2 40 430 220 10
Hex (A/F) 2 35 430 220 10
Square (A/F) 2 35 430 220 10
Rectangle (Thickness) 3 40 430 220 10
PHYSICAL PROPERTIES
Physical PropertiesMetricEnglish
Density8.40 g/cc0.303 lb/in3
CTE, linear26.0 ᶙm/m-˚C14.4 ᶙin/in-˚F
Specific Heat Capacity0.380 J/g-˚C0.0908 BTU/lb-˚F
Thermal Conductivity113 W/m-K784 BTU-in/hr-ft²-˚F
Melting Point880-900 ˚C1620 – 1650 ˚F
Solidus880 ˚C1620 ˚F
Liquidus900 ˚C1650˚F
FABRICATION PROPERTIES
FormingSuitability
Machinability (CuZn39Pb3 = 100 %)95.00%
Capacity for Being Cold WorkedPoor
Capacity for Being Hot WorkedExcellent

CW617N

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