NGK INSULATORS, LTD.


Global menu

  1. Home>
  2. Products>
  3. Electronics Business>
  4. Beryllium Copper Products>
  5. Beryllium Copper Strip>
  6. Technical Data List>
  7. Technical Data 1-(7)

Main contents.

Beryllium Copper Products | Beryllium Copper Strip

  • MSDS
  • Contact

Features of Beryllium Copper

(7) Properties and Tolerances of Midrange Material (Alloy 7)

Properties of Strip

Alloy Temper Designation 5) Tensile test 1) Hardness test 2) Electrical conductivity
3) (%IACS)
Tensile strength
(N/mm2)
Yield strength 0.2%offset (N/mm2) Elongation (%) Vickers hardness HV
7 1/2HT BeCuP07-1/2HTBeCuR07-1/2HT 670 - 800 4) 550 - 760 min. 10 195 - 250 min. 38
HT BeCuP07-HTBeCuR07-HT 765 - 900 4) 686 - 834 min. 8 220 - 275 min. 33
EHT BeCuP07-E2HTBeCuR07-EHT 870 - 1000 4) 750 - 930 min. 4 250 - 310 min. 30

1) Values are applicable to thickness 0.1 mm and over.
2) Values are applicable to thickness 0.1 mm and over.
3) Electrical conductivity is for design guidance only.
4) The upper limits of tensile strength are for design guidance only.
5) P and R in column "Designation" represent "strip cut to length" and "strip in coils".

Tolerances

Thickness tolerance of Alloy 7(mm)

* Standard thickness is only available for Alloy 7

Specified thickness Tolerance
0.08 ±0.006
0.10 ±0.006
0.12 ±0.006
0.15 ±0.008
0.18 ±0.010
0.20 ±0.010
0.25 ±0.010
0.30 ±0.015
0.35 ±0.015
0.40 ±0.015

Length tolerance(mm)

X axis:Speciied length; Y axis: Speciied thickness; Tolerance
From Up to and including max. 1000
0.08 0.4 +10
-0

Width tolerance(mm)

X axis:Speciied width; Y axis: Speciied thickness; Tolerance
Strip cut to length Strip in coils
From Up to and including max. 200 max. 100 Over 100 up to and including 200
0.08 0.40 +2
-0
±0.1 ±0.2

note) When the tolerance is specified either plus or minus side only, the same range of tolerance shall be applied.

Camber tolerance(mm)

Specified Width Maximum value
Over Up to and including Over 1000 length
From 4 13 4
13 50 3
50 100 2
100 200 1
Camber tolerance(mm)

Inquiry about Specialty Metals Business


NGK News menu

Electronics Business

back to Products topback to Products top


Page top

NGK INSULATORS, LTD.