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Electrical flat copper wire and flat aluminum wire

The electrical flat copper wire is the conductor extruded or drawn from the oxygen-free copper rod through the mold of certain specifications. The electrical flat copper wire can be taken as the finished product for use, and can also be an in-progress product, which is widely applied for winding of the motor, transformer, reactor and other similar electrical equipment.

The electrical aluminum flat wire is the conductor formed through continuous extrusion from the oil-free electrical round aluminum rod with the mold of certain specifications, and is widely applied for the winding of the motor, transformer, electric welding machine and other similar electrical equipment.

Technical parameters
External dimensions of the product
Product features

The tensile strength and elongation of the copper flat wire shall conform to provisions in the following table:　　

Nominal dimension / mm	Soft copper flat wire TBR		H1 state hard copper flat wire TBY1		H2 state hard copper flat wire TBY2
Nominal dimension / mm	Tensile strength N/ mm² ≤	Elongation %≥	Tensile strength N/ mm²	Elongation %≥	Tensile strength N/ mm² ≥	Elongation %≥
0.80 ＜a≤ 2.00	275	30	275~373	1.5	373	0.4
2.00＜a≤ 4.00	255	34	255~333	2.0	333	0.7
4.00＜a≤ 5.60	245	36	245~304	3.0	304	1.7

Dimensions of the narrow edge and wide edge of the copper flat wire shall conform to provisions in the following table:

Dimensions of the narrow edge / mm	Deviation / mm	Dimensions of the wide edge / mm	Deviation / mm
a≤3.15	±0.03	b≤3.15	±0.03
3.15＜a≤5.60	±0.05	3.15＜b≤6.30	±0.05
		6.30＜b≤12.50	±0.07
		12.50＜b≤16.00	±0.10

R angle of the copper flat wire shall conform to provisions in the following table:

Nominal dimension / mm	Radius of the round angle r		Nominal dimension / mm	Radius of the round angle r
	Nominal	Deviation		Nominal	Deviation
a≤1.00	a/2	±25%	2.44＜a≤3.55	0.80	±25%
1.00＜a≤1.60	0.5a		3.55＜a≤5.60	1.00
1.60＜a≤2.44	0.65b
a) If agreed through negotiations between the manufacturer and the user, for the flat wire with wide edge larger than 4.75 mm, radius of the filleted corner can be: 1. semi-circle; 2. 0.80 mm b) If agreed through negotiations between the manufacturer and the user, the radius of the filleted corner of the copper strip can be a/2

Dimensions of the narrow edge and wide edge of the flat aluminum wire shall conform to provisions in the following table:　　　　　　　　　　　　　　　　

Dimensions of the narrow edge / mm	Deviation / mm	Dimensions of the wide edge / mm	Deviation / mm
a≤3.15	±0.03	b≤3.15	±0.03
3.15＜a≤5.60	±0.05	3.15＜b≤6.30	±0.05
		6.30＜b≤12.50	±0.07
		12.50＜b≤16.00	±0.10

R angle of the flat aluminum wire shall conform to provisions in the following table:

Nominal dimension a/mm	Radius of the round angle r		Nominal dimension a/mm	Radius of the round angle r
	Nominal	Deviation		Nominal	Deviation
a≤1.00	a/2	a≤2.50	2.44＜a≤3.55	0.80	±25%
1.00＜a≤1.60	0.5a		3.55＜a≤5.60	1.00
1.60＜a≤2.44	0.65b
a) If agreed through negotiations between the manufacturer and the user, for the flat wire with wide edge larger than 4.75 mm, radius of the filleted corner can be: 1. semi-circle; 2. 0.80 mm

Copper flat wire

    Dimension of the narrow edge a: 0.90mm - 5.60mm
    Dimension of the wide edge b: 2.00mm - 16.00mm
    If specifications selected exceed the above scope, please contact us

Aluminum flat wire
    Production scope: 4 mm² - 350 mm²
    Dimension of the narrow edge a: 0.7mm-10mm
    Dimension of the wide edge b: 3.0mm-38mm
The electrical copper and aluminum flat wire has the advantages of smooth conductor surface, burr-free, uniform dimensions and tensile strength, low resistivity and so on. It can be used as the finished product, and can also be an in-progress product.