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NAVAL BRASS

General Properties :

  • Specifications : JIS H3250 C4641, ASTM B21 C46400
  • Typical Chemical Composition C4641 :
    • Cu: 59.0~62.0%
    • Pb: 0.50% Max
    • Fe: 0.20% Max
    • Sn: 0.50~1.0%
    • Zn: Remainder%
  • Typical Mechanical Properties (C4641) :
    • Tensile Strength > 375 N/mm2
    • Elongation > 20%
    • Typical Hardness 140
    • 0.1% Proof Stress 12 Tons/Inch2
  • Typical Chemical Composition (C4622) :
    • Cu: 61~64%
    • Pb < 0.3%
    • Fe < 0.2%
    • Sn: 0.7~1.5%
    • Zn: Remainder%
  • Typical Mechanical Properties (C4622) :
    • Tensile Strength > 365 N/mm2
    • Elongation > 20%
    • Typical Hardness: 140
    • 0.1% Proof Stress: 12 Tons/Inch2
  • A copper-zinc alloy with tin, combines good mechanical strength with the ability to resist corrosion by sea and many natural waters. This alloy is extensively used in the manufacture of heat exchanges for tube sheets and plates, and in the extruded form for propeller shafting, valves, spindles and general marine hardware.

Profiles available:

  • Round Bar / Rod
  • Flat Bar / Plate


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Disclaimer: All details are given in good faith and have been carefully checked. The values listed above represent reasonable approximations suitable for general engineering use. Due to commercial variations in composition and to manufacturing limitations, they should NOT be used for specification purposes. Only the full mill certificate can be accepted as accurate information regarding the properties of the metal supplied by TLM.