
Although Be Cu Manufacturing produces parts and assemblies from numerous metals, plastics and other materials, we are most noted for our expertise with beryllium-copper. No one has more specialized production know-how than the company named for this unique alloy!
Beryllium Copper is a highly ductile material which can be stamped and formed into very complex shapes with the closest tolerances.
This malleability provides outstanding precision for critical miniature parts. However, unlike pure copper, beryllium-copper can be heat treated to harden the alloy into an extremely strong and durable metal. Stamped and formed shapes, such as springs, retain their performance characteristics for long spans of time. |
![]() |
The inclusion of up to 2% of beryllium to copper enables the alloy to retain high electrical conductivity. Equally important, heat-treated beryllium-copper features excellent dimensional stability, fatigue resistance and corrosion resistance. Its strength is greater than ordinary copper alloys and many steels. Although beryllium-copper is more costly than some metals, the manufacturing process is usually more economical. Die life can be longer and downtimes for sharpening are usually far shorter. The very significant metalworking advantages, combined with beryllium-copper's superior operating performance qualities, make it the obvious choice for the most demanding applications. |
|
Tensile Strength 1000's psi |
psi |
Hardness |
Electrical Conductivity |
1000's psi Cycles |
|
| H Berylco 25 HT |
190 (min.) |
19 x 106 |
C40 min. |
22 - 25 |
40 - 48 106 |
| H Berylco 25 HT |
110 (min.) |
18 x 106 |
B95 min. |
48 min. |
35 106 |
| Flat Spring Steel |
B70 - 85 Tempered C38 - 50 |
||||
| 18 - 8 Stainless Type 302 |
|||||
| 70 -30 Brass (Spring Temper) |
|||||
| Nickel Silver (Spring Temper) |
|||||
| Phosphor-Bronze (Spring Temper) |
|||||
| H K-Monel HT |
170 - 200 |
C33 - 40 |
-- -- |
||
| H Ni-Span C HT |
185 - 200 |
27 x 106 |
C39 - 42 |
1.7 |
45 - 60 106 |
| H Chase Alloy No. 720 HT |
220 |
21 x 106 |
C50 |
2.3 - 3.5 |
50 - 90 106 |
See applicable A.S.T.M. references for specification purposes. H - Cold Rolled HT - Heat Treated from Cold Rolled Condition |
|||||