LEADED BRASS

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CZ132

Leaded Brass
Leaded Brass
Leaded Brass
Leaded Brass
Leaded Brass
Leaded Brass
Leaded Brass

DESCRIPTION

CZ132
SPEC SHEET

CZ132 a dezincification-resistant machining brass, is particularly suitable for use in warm, acidic waters. This material passes the dezincification test according to ISO 6509. For the manufacture of hot-stamped parts C35330 with better hot-working properties is recommended. To achieve dezincification resistance a heat treatment may be necessary after hot working.

CHEMICAL COMPOSITION

Elements Min (%) Max (%)
Cu Remainder
Pb 1.70 2.80
Sn - 0.20
Fe - 0.20
As 0.08 0.15
Total Others - 0.50
Zn 35.00 37.00

MECHANICAL PROPERTIES ACCORDING TO BS: 2874 (AS PER TEMPER M)

Range (mm) From To UTS Min (N/mm²) PS Min (N/mm²) Elongation Min (%) Hardness Min Hardness Max
Round (Dia) 6 18 380 - 20 - -
  18 40 350 - 22 - -
  40 75 350 - 25 - -
Hex (A/F) 6 18 380 - 20 - -
  18 40 350 - 22 - -
  40 70 350 - 25 - -
Square (A/F) 6 18 380 - 20 - -
  18 40 350 - 22 - -
  40 60 350 - 25 - -
Rectangle (Thickness) 6 18 380 - 20 - -
  18 40 350 - 22 - -
  40 50 350 - 25 - -
PHYSICAL PROPERTIES
Melting Point   910°C
Density                                                8.43 g/cm³
Specific Heat  377
Thermal conductivity (20°C) 117 W/m°K
Thermal expansion coefficient (20-200°C)  20.7 x 10-6 per °C
Electrical conductivity 26 % IACS 
Electrical Resistivity 0.066 ohm mm²/m
Modulus of Elasticity 106 KN/mm²
FABRICATION PROPERTIES 
Hot Working Temperature Range 800-850°C
Hot Formability Very good
Cold Formability Good
Machinability rating (free cutting brass = 100) 75 %
Annealing Temp. Range 450-650°C
Stress Relieving Temp. Range 250-350°C
Soldering Excellent
Brazing Good
Oxy-acetylene welding Not recommended
Gas-shielded arc welding Not recommended
Resistance welding Not recommended

TYPICAL USES

  • Plumbing

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