Beryllium Copper Strip Mechanical Properties

Alloy

Condition

Properties

Cupping Depths (mm)

Age-Harden
Condition

Tensile Strength
>MPa

Elongation
>(%)

Hardness
HV MPa

Thickness
0.16-0.25

Thickness
0.15-0.10

QBe2.0

Mild 392-588 30 <=1274 >=7 >=6  
Hard 637 2.5 >=1666 >=3 >=2.5  
Mild-Aged 1127 2.0 >=3136 - -

320 C x 2h

Hard-Aged 1176 1.5 >=3528 - -

QBe1.9

Mild 392-588 30 <=1176 >=7    
Hard 637 2.5 >=1568 >=3    
Mild-Aged 1127 2.0 >=3430 -  

320 C x 2h

Hard-Aged 1176 1.5 >=3626 -  

CuBe10

Before aging 500-650 2.0 1300-1900     -
After aging 770-970 1.5 2300-2800     480 C x 2h

CuBe7

 

765-900

> 3 220-275 - -  

Note: Other requirements can be negotiated.