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Copper-nickel alloy strips

Copper-nickel alloy strips

GOST 5187-2003  Cupronickel, nickel silver and monel strips. Technical requirements

Description

The strip is manufactured of the following grades of copper-nickel alloys:

  • CuNi19 with chemical composition acc. to GOST 492
  • CuNi15Zn20 with chemical composition acc. to GOST 492

Classification and range

Method of manufacturing:
  • cold-rolled – D
Section shape:
  • rectangular – ПР
Accuracy of manufacturing:
  • normal in thickness and width – Н 
  • normal in thickness and greater in width – K 
  • greater in thickness and normal in width – И 
  • greater in thickness and width – П 
  • high accuracy in thickness and normal in width – З 
  • high accuracy in thickness and greater in width – С
State:
  • soft – М 
  • half-hard – П 
  • hard – Т
  • extra-hard – О  

Length:

  • off-gage – НД

Technical characteristics

Type

Thickness H, mm

Thickness tolerance, mm

Width B, mm

Width

tolerance, mm

Length, mm

Internal coil diameter 

ØID, mm

Coil weight, kg

Strip

0,10 – 0,80

from(-0,015)  to (-0,05)

6 – 60

(-0,3)

off-gage

100 / 200 / 300 / 400

10 – 100

60 – 220 

 (-0,3)

50 – 500

0,81 – 1,50

from (-0,05)  to(-0,08)

20 – 60

(-0,3)

off-gage

300 / 400 / 500

10 – 100

60 – 220 

from(-0,3)

to (-0,5)

50 – 500

Band

0,50 – 3,20

from (-0,04) 

to (-0,08)

50 – 220

from (-0,3)

to (-0,5)

1000 – 2000

Production of other sizes according to the agreed tolerance is possible.

Mechanical properties

Alloy 

State of material

Thickness, mm

Ultimate tensile strength σB, МPа

Elongation  δ, %

Cupronickel CuNi19

Soft

under 0,5

≥290

 

0,5 and more

Hard

under 0,5

≥390

 

0,5 and more

Nickel silver

CuNi15Zn20

Soft

under 0,5

≥340

 

0,5 and more

Half-hard

under 0,5

440 ÷ 540

 

0,5 and more

Hard

under 0,5

540 ÷ 690

0,5 and more

≥2

Extra-hard

under 0,5

≥690

0,5 and more

 Application

Different branches of industry.