Lead Free Brass

LEAD CONTENT

≤ 0.10%

DEZINCIFICATION

Highly resistant

DRINKING WATER SAFE

NSF-61, WRAS, AB 1953

DENSITY

8.30 g/cm�

MACHINABILITY

70�85%

Technical Data

Composition, Mechanical & Equivalent Grades

Chemical Composition � CW724R (CuZn21Si3P)

CUZNSIPPB
75.0�77.0Bal.2.7�3.40.04�0.10≤0.10

Mechanical Properties

PROPERTYUNITVALUE
Tensile StrengthMPa530�650
Yield Strength (0.2%)MPa260�400
Elongation A50%12�25
HardnessHB150�200
Densityg/cm�8.30
Melting Range�C880�910

International Equivalent Grades

STANDARDGRADE
ENCW724R � CuZn21Si3P
ASTMC69300 (EnviroBrass) � C87850
DIN2.0375
JISECO Brass�

Why This Alloy

Engineering highlights

  • ≤ 0.25% Pb weighted average � DWS compliant
  • Excellent dezincification & stress-corrosion resistance
  • Hot-forgeable; CNC machinable
  • NSF-61, WRAS, KTW, ACS approvable

Applications

Industrial applications

Potable water fittings & valves
Drinking fountain bodies
Foodservice equipment
Medical fluid handling
Lead-free plumbing systems (USA, EU)
Manufacturing Capability
  • Hot stamping
  • CNC turning
  • Investment casting
Surface Finishes
  • Natural
  • Polished
  • Nickel-plated
  • Chrome-plated
Industries Served
  • Plumbing
  • Water Treatment
  • Foodservice
  • Medical

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