Cupronickel copper strip

 

Mechanical property:

Alloy number		Status	Tensile strength (N/mm2)	Elongation (%)	Vickers hardness (HV)
BZn18-18	C7521	O	390-450	≥32	90-115
		1/2H	440-570	≥8	140-190
		H	540-625	≥1.5	190-240
BZn18-26	C7701	O	390-490	≥35	90-120
		1/2H	460-560	≥8	120-190
		H	540-655	≥5	190-240
BZn15-20	C7541	O	≥355	≥20	----
		1/2H	410-540	≥5	110-170
		H	≥540	≥3	≥150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Physical property:

1.Good corrosion resistance
2.Good anti-fatigue performance
3.Good deep drawability
4.Good ductility performance

 

Main application:

1.The crystal shell

2.Potentiometer slider

3.Cellphone shielding shell and cover

4.Medical devices