Electrical copper strips

Electrical copper strips


Standard  documents: 
TU 48-21-854-88 - Electrical copper strips. Specifications (for Russia and CIS countries) 
TU U 14-00195452.025-2000 - Electrical copper strips and buses (for Ukraine) 


Material:
M1 according to GOST 859-2001 (DSTU GOST 859:2003) 
E-Cu 57 according to TU U 27.4-00195452-015-2003 


Requirements for hire:

1.  Geometric dimensions. 
Thickness: 0.1 mm to 3.53 mm 
Width: 10 - 100 mm 
Deviation  for thickness and width according to  TU 48-21-854-88 and TU U 14-00195452.025 2000. 


2.  The mechanical properties and condition of the material. 
Strips are  made from soft and solid state. 


The mechanical properties of tapes to TU 48-21-854-88 and TU U 14-00195452.025-2000: 

State 

Thickness 
strip, mm 

Ultimate strength, 
 solid ribbons 
 MPa 

Elongation δ,%, 
for soft feeds 

Soft

To 0,2 incl.

-

-

More 0,2 

2,5 incl.

-

 at least 36

More 2,5
to 3,53 incl.

-

 at least 36

Solid

To 0,2 incl.

-

-

More.0,2
to 2,5 incl.

 at least 310

-

More 2,5
to 3,53 incl.

 at least284

-

Roll weight strip thickness up to 0.50 mm should be at least 5 kg.  Roll weight strip thickness 0.60 mm or more should not be less than 16 kg. 


 Specific electrical resistance should be: 

 - Strips mark M1 soft state - no more than 0,01748 ohm × mm2/m 

 - Strips for brand E-Cu57 soft state - no more than 0,01754 ohm × mm2/m 


 Camber strips 3.0 mm thick and no more than 3 m to 1 m in length. 



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