Available in 95/05 Brass with us, this material is put to use in mechanical gaskets and detonators.
Alloy Names (as per RoHS specifications)
IS/ISO CuZn5
DIN CEN/TS 13388 CW500L
UNS C21000
JIS C2100
Chemical Composition Weight percentage
Copper [Cu] 94.0 - 96.0 %
Total Impurities 0.06 %Max.
Zinc [Zn] Remainder
Iron [Fe] 0.05 %Max.
Characterists
  • Very good cold forming properties.
  • Good welding and brazing properties.
  • Good corrosion resistance.
  • Not fragile to stress corrosion and dezincification.
  • Good Deep Draw Properties.
  • Malleable.
  • Moderate Conductivity.
  • Good Strength.
Main Applications
Architecture: Ornamental Trim.
Consumer: Jewelry,Emblems,Bullet Jackets.
Electrical: Component for the electrical industry,Connectors,Rotor Bars,AC Motors.
Others: Coins,Token,Medals.

Properties

Density 8.86 g/cm³
Thermal expansion coefficient - 191 .. 16 17 10-6/K
0 .. 300 °C 18 10-6/K
Specific Heat Capacity 0.38 J/(g.k)
Thermal Conductivity 234 W/(m.k)
Electrical Conductivity (1 MS/m = 1 m/(O mm²) iY 33 MS/m
Electrical Conductivity (IACS) 56.9 %
Thermal coefficient of electrical resistance (0 - 200 C) 23 10-3/K
Modulus of elasticity (1 GPa = kN/mm²) cold formed Gpa
127 GPa
Temper Tensile Strength Rm Mpa(N/mm2) Yield Strength Rp0.2 MPa(N/mm2) Elongation Minimum A50mm % Hardness HV
O (Soft) 230 - 280 < 130 35 Min 75 Max
HB (Half Hard) 270 - 350 iY 200 12 Min 75 - 110
HD (Hard) iY 340 iY 280 4 Min iY 110
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good

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