Zinc Alloys Brass Film,Brass rape for radiator fin, C26800 Brass Foil tape for radiator fin
We are a professional zinc brass foil,brass foil tape for radiatr supplier and exporter in China.
Our copper foil ,brass foil roll can be used for radiator fin.
High-precision Rolled Brass Foil C26800
- H65(C2680) Brass , a copper-zinc alloy, is equivalent to C26800 in ASTM. Brass is a type of copper alloy hat contains copper and zinc. It is the most extensively used high precision copper alloy.
- Brass has excellent dynamics properties, physical properties, high electrical and heat conductivity, and high corrosion resistance.
- This material is mainly used for radiator fins, radio frequency cable,transformer,lead frame,copper cladding aluminum, water heater exchanger, automotive manufacturers.
Technical Data :
It’s physical properties are showed as bellowing:
- 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
C26800 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.
Related standard for the brass foil.
| 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 |
