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1070 aluminium strip
1070 aluminium strip
1070 aluminum coil
1070 aluminium strip
1070 aluminium strip
1070 aluminum coil

1070 HO/O Aluminum Strip for Transformers

  • Alloy: 1070
  • Temper: O/HO
  • Width(mm): 10-1500
  • Thickness(mm): 0.08-3.00
  • Length(mm): C

The Introduction of 1070 HO/O Aluminum Strip for Transformers

1070 aluminum strip is a pure aluminum alloy with an aluminum content of more than 99.7%, which is widely used in transformers. 1070 aluminum strip has high plasticity, corrosion resistance, electrical conductivity and good thermal conductivity, but low strength, not strengthened by heat treatment, poor machinability, and acceptable for contact Welding, gas welding. 1070 – O/HO aluminum foil strip for transformer winding, also known as 1070 aluminum transformer strip foil, mainly used for dry type and oil-immersed transformer winding. The thickness ranges of 1070 aluminum foil strip for transformer from 0.2mm to 3.00mm and width ranges from 10mm to 1500mm.

The Product Specification of 1070 HO/O Aluminum Strip for Transformers

Alloy 1070 aluminum strip
Temper O/HO
Thickness (mm) 0.08 - 3.00
Width (mm) 10 - 1500
Conductivity (% IACS) 1070-O ≥ 62.7% IACS
Elongation (%) ≥20 (Thickness: 0.08-0.20)
≥25 (Thickness: 0.20-3.00)
U. T. S 60-95N/mm2
Density in 20℃ 2.703kg/m3
Resistivity (Ω·mm² /m) ≤0.02825
Burr's height 0.01-0.03mm vary with thickness of the strip
Collapsed side's height 0.05-0.1mm
ID Ø 150mm,Ø300mm, Ø400mm, Ø500mm
Surface Smooth, free from scratches and impurities
Application Transformer winding
Packing Eye to wall and eye to sky, wooden pallet and wooden case
Sample Available
Remark Transformer aluminum strip can be customized

 

Chemical composition of 1070 HO/O aluminum strip for transformers

 

Alloy Al (%) Si (%) Fe (%) Cu (%) Mn (%) Zn (%) Mg (%) Ti (%) V
1070 99.70 0.0431 0.203 0.0022 0.0104 0.0093 0.0013 0.02 0.0039

 

Edge deburring range of 1070 HO/O aluminum strip for transformers

 

Thickness (mm) ≤0.20 >0.20
Burr ≤0.03 ≤0.05
Camber ≤0.5 ≤2
Layering ≤4 ≤5

 

Tolerance range of 1070 HO/O aluminum strip for transformers

 

Alloys 1070-O/HO
Thickness (mm) 0.08-0.20 0.20-0.40 0.40-0.80 0.80-1.10 1.10-1.40 1.40-2.00 2.00-2.50 2.50-3.00
Thickness Tolerance (mm) ±8% of nominal thickness ±0.02 ±0.03 ±0.04 ±0.05 ±0.06 ±0.07 ±0.08
Width (mm) <100 100-300 300-600 600-1250 1250-1500
Width Tolerance (mm) ±0.10 ±0.20 ±0.30 ±1.00 ±2.00

The Product Features of 1070 HO/O Aluminum Strip for Transformers

◆ The edge is smooth, no burrs

◆ Round edge

◆ High conductivity

◆ High purity

◆ Totally annealed

◆ Surface clean

◆ Stable

◆ Low resistivity

◆ High quality, competitive price, good reputation

◆ Free sample, prompt delivery

The Application of 1070 HO/O Aluminum Strip for Transformers

Application of 1050 Aluminum Strip for Transformers

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