Description
High-precision Rolled Brass Foil
Chemical Composition (%)
| Alloy No. |
Chemical Composition( %,Max.) |
||||||||
|
Cu |
Fe |
Pb |
Al |
Mn |
Sn |
Ni |
Zn |
Impurity |
|
|
H90 |
88.0-91.0 |
0.10 |
0.03 |
— |
— |
— |
0.5 |
Rem |
0.3 |
|
H85 |
84.0-86.0 |
0.10 |
0.03 |
— |
— |
— |
0.5 |
Rem |
0.3 |
|
H70 |
68.5-71.5 |
0.10 |
0.03 |
— |
— |
— |
0.5 |
Rem |
0.3 |
|
H68 |
67.0-70.0 |
0.10 |
0.03 |
— |
— |
— |
0.5 |
Rem |
0.3 |
|
H65 |
63.5-68.0 |
0.10 |
0.03 |
— |
— |
— |
0.5 |
Rem |
0.3 |
Alloy Table
| China |
ISO |
ASTM |
JIS |
|
H90 |
CuZn10 |
C22000 |
C2200 |
|
H85 |
CuZn15 |
C23000 |
C2300 |
|
H70 |
CuZn30 |
C26000 |
C2600 |
|
H68 |
—— |
——- |
—— |
|
H65 |
CuZn35 |
C27000 |
C2700 |
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
Specifications Available
|
Unit |
Thickness |
Width |
Temper |
|
mm |
0.006~0.1 |
1.0~650 |
O、1/4H、1/2H、H |
|
inch |
0.0002~0.004 |
0.04~25.6 |
Sizes and Tolerances (mm)
| Thickness |
Thickness Tolerances |
Width |
Width Tolerances |
|
0.006～0.04 |
± 0.001 |
1.0~650 |
± 0.1 |
|
＞ 0.04～0.10 |
± 0.002 |
Mechanical Properties
| Temper |
JIS Temper |
Tensile Strength Rm/N/mm2 |
Elongation A50/% |
Hardness HV |
|
M |
O |
350~410 |
≥ 30 |
70~100 |
|
Y4 |
1/4H |
380~445 |
≥ 20 |
105~145 |
|
Y2 |
1/2H |
390~480 |
≥ 15 |
120~165 |
|
Y |
H |
460~510 |
≥ 10 |
135~185 |
Note: We can provide products with other properties according to customers` requirements.
Application:
High precision radiator foil is main material in manufacturing automobile, farmer machine, mining machinery, engineering machinery, diesel locomotive, shipbuilding, generator set.
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 |
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