LEADED BRASS

Metals

Brass
Bronze
17
18
19
20
21
22
23

DESCRIPTION 

 

CZ119
SPEC SHEET

CZ119 are the standard materials for machining (machining index 100 %). These alloys are also particularly suitable for hot stamping when the forged parts are subsequently machined extensively. Is recommended for applications where cold working with little reduction such as knurling is used. The ductility of this material makes it particularly suitable for the manufacture of wires as well as rods and sections.
 
 

CHEMICAL COMPOSITION

ElementsMin (%)Max (%)
Cu61.0064.00
Pb1.002.50
Total Others Incl Fe–0.30
ZnRemainder
 
MECHANICAL PROPERTIES ACCORDING TO BS2874 (AS PER TEMPER M)
Range (mm)FromToUTS Min (N/mm²)PS Min (N/mm²)Elongation Min (%)Hardness Min (HV)Hardness Max
Round (A/F)1.575340–1590–
Hex (A/F)370340–1590–
Square (A/F)360340–1590–
Rectangle (Thickness)350340–1590–
 
PHYSICAL PROPERTIES
Melting Point – Liquidus°F1700
Melting Point – Solidus°F1630
Density lb/cu in. at 68°F0.306
Specific Gravity8.47
Electrical Conductivity % IACS at 68°F26
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F67
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)11.3
Specific Heat Capacity Btu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tension ksi15000
Modulus of Rigidity ksi5600
FABRICATION PROPERTIES 
TechniqueSuitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Not RecommendedNot Recommended
Seam WeldNot Recommended
Butt WeldFair
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedPoor
Machinability Rating85%
 

TYPICAL USES

  • Automotive
  • Builders Hardware
  • Consumer
  • Electrical
  • Fasteners
  • Industrial
  • Ordnance
  • Plumbing