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Brass foil-GH65F, a kind of corrosion-proof brass foil, is equivalent to CuZn35P in ISO.This brass foil 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% (wt) | 0.015-0.035 | Balance |
Mechanical Properties
Temper | Temper | JIS | Tensile Rm MPa ² | Elongation A50 % | Hardness HV |
Soft | M | O | 350-410 | ≥25 | 80-120 |
1/4 hard | Y4 | 1/4H | 375-445 | ≥15 | 105-145 |
1/2Hard | Y2 | 1/2H | 385-460 | ≥12 | 120-165 |
Hard | Y | H | 350-510 | ≥5 | 135-185 |
Physical Properties
Density 8.5g/cm³ Electric conductivity(20): 26IACS Thermal conductivity(20): 120W/(m) Elastic modulus: 109000N/mm² Thermal expansion coefficient(20-300) 20 X 10-6-1 |
Sizes and Tolerances
Thickness (mm) | Thickness Tolerances (mm) | Width (mm) | Width Tolerances (mm) |
0.1-0.18 | ±0.005 | 20-100 | ±0.08 |