Round Edge Aluminum Strip/Tape for Dry Winding Transformer

Basic Info.

Model NO.	1050, 1060, 1070, 1100, 1350
Alloy	Alloy
Od	100-1800 mm
ID	150, 305 505 mm
Elongation	> 25%
Tensile Strength	60-90 MPa
Thickness	0.3-2.4 mm
Width	16-1850 mm
Tempers	O
Alloy No.	1050, 1060, 1070, 1100, 3003, 5052
Transport Package	Wooden Pallet
Specification	strip
Trademark	signi aluminum
Origin	Zhengzhou China
HS Code	76061190
Production Capacity	12500 Mt/Month

Product Description

Round edge Aluminum Strip/Tape for Dry Winding Transformer
Round edge Transformer strip is used in transformers for electrical engineering and in power distribution, which means in power plants and substations, in local distribution networks, in wind power, industrial plant and the power adaptors belonging to electronic devices.

1.Application
This Specification specifies aluminium foil used as conductors for transformers
( hereinafter abbreviated as "foil" ).

2.Applicable Dimensions
The applicable dimension of foil shall conform to table 1.

Table 1
	Unit : mm
Thickness	0.3 to 2.4
Width	25 to 1250

3.Outline of the quality
3.1 The chemical composition of shall conform to table 2.

Table 2
					Unit : weight %
Si	Fe	Cu	Mn	Mg	Cr	Zn	Ti	Others		Al
								Individual	Total
max. 0.2	max. 0.25	max. 0.04	max. 0.03	max. 0.03	-	max. 0.04	max. 0.03	max. 0.03	-	min. 99.65

3.2 Mechanical properties and electric conductivity shall conform to Table 3.

Table 3
Thickness	Tensile strength N/mm2(MPa)	Elongation %	Bending 180 buckling inside radius	Electric conductivity % at 20°C
Over 0.3 to 0.5	Less than 75	25min.	Close contact	62.5min
Over 0.5 to 0.8	Less than 75	30min.	Close contact	62.5min.
Over 0.8 to 1.3	Less than 75	35min.	Close contact	62.5min.
Over 1.3 to 2.0	Less than 75	35min.	Close contact	62.5min.
Over 2.0 to 2.4	Less than 75	35min.	Close contact	62.5min.

3.3 Dimensions shall conform to Table 4 which indicates dimensional tolerances.

Table 4 Unit : mm
Thickness	Tolerance in thickness		Tolerance in width
	Guaranteed value	-	25 to 300	Over 300 to 600	Over 600 to 1250
Over 0.3 to 0.5	±0.02		±0.3	±0.5	±1.0
Over 0.5 to 0.8	±0.03		±0.3	±0.5	±1.0
Over 0.8 to 1.3	±0.04		±0.3	±0.5	±1.0
Over 1.3 to 2.0	±0.04		±0.3	±0.5	±1.0
Over 2.0 to 2.4	±0.05		±0.3	±0.5	±1.0

3.4 Inside diameter, outside diameter and unit weight shall conform to Table 5.

Inside diameter	Outside diameter	Remarks
150mm, 305mm	1200mm	Paper core. Special demand could be talk.
505mm
Note:The classification of Table 5 may be disregarded if particularly specified otherwise.Or Depeneding on customer's requirements.

3.5 Coil's deformation shall conform to Table 6.
Table 6.

-	-
Deformation of inside diameter	(Max. - Min.) < 10