Yellow Brass 63/37 [Cu/Zn]

We produce ultra thin foil of 63/37 Brass, which is up to 0.04 mm in +/- 2 micron [+/- 0.002 mm]. It is widely being used in automobiles industry, handicraft sector, etc.
Alloy Names (as per RoHS specifications)
IS/ISO CuZn37
DIN CEN/TS 13388 CW508L
ASTM C27200
JIS C2720
Chemical Composition Weight percentage
Copper [Cu] 61.5-64.5%
Iron [Fe] 0.075% Max
Lead [Pb] 0.3% Max
Total Impurities 0.6% Max.
Zinc [Zn] Remainder
Characterists
  • Possesing good ductility,machinability & anticorosive property.
  • Major brass alloy for the cold forming process.
  • Forming properties of this alloy meet the demand of many applications.
  • Excellent performance.
  • Superior durability.
Main Applications

Industrial & Automobiles : Connectors, Deep Drawn Parts, Stamped Parts, Radiator Tanks, Radiator Cores, Automobile Light reflectors, radiator tube.
Electrical :Electrical components for electrical terminals, connectors, etc .
Consumers : Style Jewellery, Snap Buttons, Zippers, eyelet fasteners, Flash Lights, handicrafts.

Properties

Density 8.44 g/cm³
Thermal expansion coefficient - 191 .. 16 17 10-6/K
0 .. 300 °C 20.2 10-6/K
Specific Heat Capacity 0.377 J/(g.k)
Thermal Conductivity 121 W/(m.k)
Electrical Conductivity (1 MS/m = 1 m/(O mm²) iY 15 MS/m
Electrical Conductivity (IACS) 27 %
Thermal coefficient of electrical resistance (0 - 200 °C) 1.7 10-3/K
Modulus of elasticity (1 GPa = 1 kN/mm²) cold formed 99 .. 110 Gpa
110 GPa
Temper Tensile Strength Rm Mpa(N/mm2) Yield Strength Rp0.2 MPa(N/mm2) Elongation Minimum A50mm % Hardness HV
O (Soft) 280 Min < 180 40 Min 80 Max
HA (Quarter Hard) 340 Min iY 170 30 Min 75 Min
HB (Half Hard) 385 Min iY 300 15 Min 110 Min
HD (Hard) 460 Min iY 400 5 Min 135 Min
HE (Extra Hard) 525 Min iY 450 165 Min
HS (Spring Hard) 670 Min iY 600 185 Min

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