Alloy Name | |
UNS | C26000 |
IS/ISO | CuZn30 |
AMW-25 | CuZn30 |
DIN CEN/TS 13388 | CW505L |
JIS | C2600 |
This alloy is as per RoHS specification |
Thickness Range : 0.05mm to 4.00mm Width Range : 8mm to 400mm Surface Roughness: 0.15 to 0.25 Ra Scale Grain Size : Fine i.e. No Orange Peel effect on deep drawing. Coil Weight : 8Kgs/mm width .
CuZn30 Brass has outstanding deep drawing properties and hence is called deep-drawing or cartridge brass. It has good forming properties & mechanical strength.
Chemical Composition | Weight percentage |
Cu | 68.50-71.50 % |
Pb | 0.05Max |
Fe | 0.05 % Max |
Zn | Reminder % |
Total Impurity | 0.30 % Max |
Main Applications |
Electrical : Terminal Connectors,Flashlight Shells,Lamp Fixtures, Reflectors, Shells |
Consumer : Snaps,Chain Links,Watch Parts, Costume Jewellery,Buttons,Bullates |
Building Hardware : Locks,Push Plates,Finish hardware,Door Knobs. |
Physical Properties Typical values in annealed temper at 20 °C |
Physical Properties Typical values in annealed temper at 20 °C | ||
Density | 8.53 | g/cm3 |
Thermal expansion coefficient -191 .. 16 | 9.0 | 10-6/K |
Specific heat capacity - 0 .. 300°C | 19.7 | 10-6/K |
Thermal conductivity | 0.377 | J/(g•K) |
Electrical conductivity (1 MS/m = 1 m/(O mm²) | 126 | W/(m•K) |
Electrical conductivity (IACS) | 16 | MS/m % |
Thermal coefficient of electrical resistance (0 .. 200 C) | 1.5 | 10-3/K |
Modulus of elasticity ( 1 GPa = 1 kN/mm²) cold formed | 99...115 | GPA |
Mechanical Properties (EN 1652) | ||||
Temper | Tensile Strength Rm MPa(N/mm2) |
Yield Strength Rp0.2 MPa(N/mm2) |
Elongation A50mm % |
Hardness HV |
O (SOFT) | 275 Min | 160 | 50 Min | 80 Max |
HB (half Hard) | 320 min | 170 | 35 Min | 75 Min |
HB (Hard) | 345Min | 200 | 20Min | 100 Min |
HD (Hard) | 405Min | 260 | 5 Min | 125 Min |