CZ130

CZ130, a type of sectional brass, represents a notable advancement over traditional 60/40 brass due to its outstanding free cutting properties.

CHEMICAL COMPOSITION
ElementsMin (%)Max (%)
Cu55.5057.50
Pb2.503.50
Al0.50
Total Others0.70
ZnRemainder
MECHANICAL PROPERTIES ACCORDING TO BS2874 (AS PER TEMPER M)
Range (mm) From To UTS Min (N/mm²) PS Min Elongation Min (%) Hardness Min Hardness Max
Round (Dia) 6 75 350 20
Hex (A/F) 6 70 350 20
Square (A/F) 6 60 350 20
Rectangle (Thickness) 6 50 350 20
PHYSICAL PROPERTIES
Density 8.44 g/cm³
Melting Point 890°C
Thermal Conductivity 109 W/m.K
FABRICATION PROPERTIES 
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Fair
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Machinability Rating 90

CZ130

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