Copper and copper alloy strip (foil)
C27200/CuZn37
 H63 / C2720 / CuZn37 brass with copper content 63%, has good mechanical properties, its plasticity is good under the cold temper, good machinability, easy welding and soldering, corrosion resistance, but easy to crack during corrosion, in addition, the price is cheap, it is the most widely used brass varieties.
Chemical composition 
Cu :62.0~65.0
Zn:balance
Pb:≤0.08
P:≤0.01
Fe:≤0.15
Sb :≤0.005
Bi:≤0.005

impurities:≤0.3

Physical properties

Temper

Tensile strength      Mpa

Elongation %

Hardness   HV

M

≥290

≥40

≤90

Y4

235-410

≥35

85-115

Y2

355-460

≥25

100-130

Y

410-540

≥13

120-160

T

520-620

≥4

150-190

TY

≥570

-

≥180