Beryllium copper strip property

 

Chemical component:

Alloy number	Be	Ni+Co	Ni+Co+Fe	Be+Ni+Co+Fe+Cu
C17200 / 25	1.8-2.0	≥0.2	≤0.6	≥99.5

 

 

 

Mechanical property:(before heat treatment)

Status	Tensile strength (kg/mm3)	Hardness (HV)	Conductivity (IACS%)	Elongation (%)
H	70-85	210-240	22	2-8
1/2H	60-71	160-210	22	5-25
O	42-55	90-160	22	35-70

 

Mechanical property:(after heat treatment)

Status	Tensile strength (kg/mm3)	Hardness (HV)	Conductivity (IACS%)	Elongation (%)
H	130-151	380-420	22	1-5
1/2H	126-147	370-410	22	2-7
O	112-135	350-339	22	3-11

 

Physical property:

1.High strength
2.High hardness
3.High elasticity
4.Superior fatigue resistance
5.Superior abrasion resistance

6.Superior mouldability and isotropy

 

Application:

1.Relays

2.Connectors/sensors

3.Temperature control switch

4.Switch/micro switch/micro-motors brush

5.Strong spring/the thermostat spring/all kinds of spring piece

 

Shape: thickness≥0.015mm,width ≤500mm

 

Heat treatment processing: vacuum furnace(or room temperature)→315°c±5°c→keep warm2H→natural cooling