Available in 90/10 Brass with us, this material is put to use in mechanical gaskets and detonators.
Alloy Names (as per RoHS specifications)
IS/ISO CuZn10
DIN CEN/TS 13388 CW501L
UNS C22000
JIS C22000
Chemical Composition Weight percentage
Copper [Cu] 89.0 - 91.0 %
Total Impurities 0.13 %
Zinc [Zn] Remainder %
Iron [Fe] 0.05 %
Lead [Pb] 0.05 %
Characterists
  • Very good cold forming properties.
  • Good welding and brazing properties.
  • Good corrosion resistance.
  • Not fragile to stress corrosion and dezincification.
Main Applications
Electrical : Wave guides,Rotor Bar-AC Motors,Cable Warp, Leadframes.
Consumer : House for Lipstick compacts, Costume Jewellery,Ball point Pens, Caskets.
Fasteners : Screw Shells ,Bolts,Line Clamps,Rivets.
Architecture: Weather Stripping, Screen Cloth, Ornamental Trim, Etching Bronze, Grill Work.
Industrial: Base for Vitreous Enamel, Escutcheons, Flexible Tube, Studs.
Marine: Marine Hardware.
Ordnance: Small Arms Cartridges, Artillery Projectile Rotating Bands, Press Fit, Primer Caps.
Plumbing: Plumbers Brass Goods.

Properties

Density 8.8 g/cm³
Thermal expansion coefficient - 128 .. 20 °C 9 10-6/K
20 .. 300 °C 18.2 10-6/K
Specific Heat Capacity 0.376 J/(g.k)
Thermal Conductivity 184 W/(m.k)
Electrical Conductivity (1 MS/m = 1 m/(Ω mm²) 25"}">>25 MS/m
Electrical Conductivity (IACS) 43 %
Thermal coefficient of electrical resistance (0 - 100 °C) 18 10-3/K
Modulus of elasticity (1 GPa = 1 kN/mm²) cold formed 99 .. 115 Gpa
124 GPa
Temper Tensile Strength Rm Mpa(N/mm2) Yield Strength Rp0.2 MPa(N/mm2) Elongation Minimum A50mm % Hardness HV
O (Soft) 245 Min < 140 35 Min 75 Max
HB (Half Hard) 310 Min ≥ 200 7 Min 95 Min
HD (Hard) 350 Min ≥ 290 3 Min 110 Min
Cold Forming Properties Max. 90% between annealings Good
Hot Forming Properties at 750 .. 870°C Good
Machinability (Rating 30) Less Suitable
Electroplating Properties Excellent
Hot Tinning Properties Excellent
Soft Soldering, Brazing Excellent
Resistance Welding Good
Gas Shielded Arc Welding Good
Laser Welding Fair

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