H65 Rolled Brass Foil
H65 , a copper-zinc alloy, is equivalent to C26800 in ASTM. This material is mainly used for radiator fins.
Chemical Composition (%)
Cu Zn
64~68 Balance

Mechanical Properties
Temper JIS Temper Tensile Strength Rm/N/mm 2 Hardness HV
Y H 380~480 100~140
T EH ≥ 460 ≥ 135
Note: We can provide products with other properties according to customer requirements.

Physical Properties
Density：8.5g/cm3
Electric conductivity(20 °C ): 27%IACS
Thermal conductivity (20 °C): 120W/(m °C )
Elastic modulus: 105000N/mm2
Thermal expansion coefficient (20-300 °C ) 20 X 10 -6 °C -1

Sizes and Tolerances (mm)
Thickness Thickness Tolerances Width Width Tolerances
0.04~0.06 ± 0.003 16~210 ± 0.08
> 0.06~0.10 ± 0.005

Specifications Available (mm)
Thickness Width Temper
0.04~0.1 16~210 Y,T

GH65F Rolled Brass Foil
GH65F, a kind of corrosion-proof brass strip, is equivalent to CuZn35P in ISO.This brass strip is mainly used for radiator tube. The corrosion-proof performance of this material is superior to that of H70 (ISO No.CuZn30) and equal to that of H90 (ISO No.CuZn10).

Chemical Composition (%)
Cu P Zn
65~67 0.015~0.035 Balance

Mechanical Properties
Temper JIS Temper Tensile Strength Rm/N/mm2 Elongation A50/% Hardness HV
M O 350~410 ≥ 25 80~120
Y4 1/4H 375~445 ≥ 15 105~145
Y2 1/2H 385~460 ≥ 12 120~165
Y H 450~510 ≥ 5 135~185
Note: We can provide products with other properties according to customers` requirements.
　　
Physical Properties
Density：8.5g/cm3
Electric conductivity(20 °C ): 26%IACS
Thermal conductivity(20 °C ): 120W/(m °C )
Elastic modulus: 109000N/mm2
Thermal expansion coefficient(20-300 °C ) 20 X 10 -6 °C -1

Sizes and Tolerances (mm)
Thickness Thickness Tolerances Width Width Tolerances
0.1~0.18 ± 0.005 20~100 ± 0.08

Specifications Available (mm)
Thickness Width Temper
0.1~0.18 20~100 M,Y4,Y,T

Carried Standard(Latest)
Nations Standard No. Standard Name
China GB/T2059--2000 CHINA’S NATIONAL STANDARD
Japan JIS H3100 :2000 COPPER AND COPPER ALLOY SHEETS,PLATES AND STRIPS
U.S.A ASTM B36/B 36M -01 STANDARD SPECIFICATION FOR BRASS,PLATE,SHEET,STRIP AND ROLLED BAR
Germany DIN-EN 1652:1997 COPPER AND COPPER ALLOYS PLATE,SHEET,STRIP AND CIRCLES FOR GENERAL PURPOSES
DIN-EN 1758 :1997 COPPER AND COPPER ALLOYS STRIP FOR LEADFRAMES
SEMI SEMI G4-0302 SPECIFICATION FOR INTERGRATED CIRCUIT LEADFRAME MATERIALS USED IN THE PRODUCTION OF STAMPED LEADFRAMES