Alloy Names (as per RoHS specifications)
IS/ISO CuZn15
AMW-23 CuZn15
ASTM C23000
JIS C2300
Chemical Composition Weight percentage
Copper [Cu] 84.0 to 86.0
PB ≤ 0.02
Fe ≤ 0.05
Zinc [Zn] Remainder
Total Impurity < 0.13
Main Applications
Consumers: Sliders & Pullers for Zippers & Fastners, Fashion Jewellery, Watch industry.
Industrial: Condenser Tubes, Pickling crates, Heat Exchangers, Flixible Metal House, Fire.
Characteristics
  • It is popularly known as Red Brass and has excellent deep drawing, cold forming properties.
  • This alloy has a high strength than pure copper.
  • It has good welding and brazing properties.
  • Good corrosio resistance and is not fragile to stress corrosion and dezincification.

Properties

Density 8.75 g/cm³
Thermal expansion coefficient - 191 .. 16 9 10-6/K
0.. 300°C 18.5 10-6/K
Specific Heat Capacity 0.38 J/(g.k)
Thermal Conductivity 159 W/(m.k)
Electrical conductivity (1 MS/m = 1 m/(O mm²) 21"}">> 21 MS/m
Electrical conductivity (IACS) 36 %
Thermal coefficient of electrical resistance (0..200 C) 2.6 10-3/K
Modulus of elasticity (1 Gpa = 1 kN/mm²) cold formed 99 - 115 Gpa
122 GPa
Temper Tensile Strength Rm Mpa(N/mm2) Yield Strength Rp0.2 MPa(N/mm2) Elongation Minimum A50mm % Hardness HV
O (Soft) 245 Min < 170 35 Min 75 Max
HB (Half Hard) 325 Min 250"}">> 250 7 Min 95 Max
HD (Hard) 370 Min 300"}">> 300 3 Min 110 Max

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