High-precision Rolled Copper-zinc Alloy Foil

Product Details

Product Data

High-precision Rolled copper-zinc alloy foil sign:

Alloy	Chemical Components%
Alloy	Cu	Fe	Pb	Al	Mn	Sn	Ni	Zn	杂质
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

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Specification table (mm)

Thickness	Supply width	Supply state
0.006～0.1	1.0～650	M、Y4、Y2、Y

Dimension deviation (mm)

Thickness	Thickness Tolerance	Width	Width tolerance
0.006～0.04	± 0.001	1.0～650		± 0.1

Product Description

High-precision Rolled copper-zinc alloy foil Physical Performance:

Density: 8.5g/cm 3.

Conductivity (20 ℃) : 27% IACS

Thermal conductivity (20 ℃) : 120 w/(m ℃)

Elastic modulus: 105000N/mm 2.

Coefficient of thermal expansion (20-300 ℃) : 20 x 10-6 ℃ - 1

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Mechanical Property:

State	Corresponding JIS state	Strength of extension Rm/N/mm2	Elongation %	Vickers 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: other products can be supplied according to customer demand.

Product Application

High-precision Rolled copper-zinc alloy foil Application:

Radiator precision copper strip (foil) is to build cars, agricultural machinery, mining machinery, engineering machinery, internal combustion engine vehicles, ships, generators and other engine radiator radiator of special materials, used in the manufacture of the radiator fin, cooling pipe, water room master, assemble the radiator assembly.

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