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RA 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 |
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 (mm)
Thickness | Width | Temper | Thickness Tolerance | Width tolerance |
0.01~0.15 | 4~200 | O,1/4H,1/2H,H | ±0.003 | ± 0.1 |
Mechanical Properties
Temper | JIS Temper | Tensile strength Rm/N/mm2 | Elogantion 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.
Application:
High precision radiator foil is main material in manufacturing automobile, farmer machine, mining machinery, engineering machinery, diesel locomotive, shipbuilding, generatorset.
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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