KMW-CuZN 10

Krishna Metal Works


Alloy Name
AMW-22 IS DIN CEN/TS 13388 UNS JIS KMW
CuZn10 CuZn10 CW50IL C22000 C2200 CuZn10

Chemical Composition (% By Weight)
Cu 89.0 91.0%
Pb < 0.05 %
Fe < 0.05 %
Zn Reminder %
Total Impurity 0.13%

Main Applications
Electrical Wave guides, Rotor Bar-AC Motors, Cable Warp
Consumer House for Lipstick compacts, Costume Jewelry, Ball point Pens.
Fasteners Screw Shells, Bolts, Line Clamps, Rivets
Typical Applications Jewellery and metal good, Components for the electrical industry, Leadframes.

Physical Properties Typical values in annealed temper at 20°C
Density 8.80 g/cm3
Thermal expansion coefficient −191 .. 16 / - 0 .. 300°C 9.0/18.2 10-6/K/10-6/K
Specific heat capacity 0.376 J/(g.K)
Thermal conductivity 184 W/(m.k)
Electrical conductivity (1 MS/m = 1m/(0 mm2)) > 25 MS/M
Electrical conductivity (IACS) 43 %
Thermal coefficient of electrical resistance (0 .. 200 C) 1.8 10-3/K
Modulus of elasticity (1GPa = 1 kN/mm2) cold formed 99.... 115/124 GPa / Gpa

Mechanical Properties (EN 1652)
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


Fabrication Properties

Cold formability

Hot formability

Soldering

Brazing

Oxyacetylene welding

Gas shielded arc welding

Resistance Welding

Machinability

Excellent

Good

Excellent

Excellent

Good

Good

Not Recommended

Not Recommended

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