Cold rolled copper-nickel strips

Cold rolled copper-nickel strips


GOST 5187-2003


DSTU GOST 5187:2004


Material: Nickel silver (German Silver) ÌÍÖ 15-20 with chemical  composition according to GOST 492-2006 (DSTU GOST 492:2006)


Usage: The strip are used in various industries.


Thickness: 

0.2 mm to 2 mm *

Width: 10 mm to 600 mm *



Requirements:

1. The geometric dimensions according to GOST 5187-2003 (DSTU Standard 5187:2004)


2. Mechanical properties of tape according to GOST 5187-2003 (DSTU GOST 5187-2004):


State

Thickness 
strip, mm 

Temporary 
resistance, 
MPa 

 Relative
 Elongation δ,%, 
at least 

soft 

less than 0.5 

not less than 340

27

 0.5 and more 

30

semisolid 

 less than 0.5 

440 – 540

2

0.5 and more 

4

solid 

 less than 0.5 

540 – 690

 0.5 and more

2

extra solid 

 less than 0.5 

more than 690

 0.5 and more 

The length of the tape must be at least 5 meters, camber strips no more than 3 mm per 1 m length. 

*Other requirements to GOST 5187-2003 (DSTU GOST 5187-2004). 



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