Copper-BerylliumContains berylliumIn production
NB4
CuNi2Be · C17510
70–660 MPaYield strength
240–760 MPaTensile strength
9–20 %Elongation
120–240 HBHardness HB
Specify this grade
Qualification packs are released after a short form. Export control applies.
Properties
Guaranteed values, by temper.
- Alloy family
- Copper-Beryllium
- Chemistry family
- CuNiBe
- Lead-free
- Yes
Forms
Forms & dimensions available
Bars6 variant(s)
Dimensional ranges and tolerances on request — machining and finishing are in house.
Standards
Standards & equivalences
- DIN 17666 wn 2.0850 - DIN 17672 - RWMA class 3
- EN 12163 - CW110C
Product and process qualifications are listed above. Customer approvals are confidential and are not disclosed.
Alternatives
If this grade is not the right trade-off.
GradeChemistryYield strengthChoose it when
CB4CuCoBe610 MPaChoose it when a part must carry load while conducting current or heat, and beryllium is accepted in your process. If it is not, our copper-nickel-silicon and copper-nickel-tin families offer beryllium-free grades.