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Changes
→Copper-Beryllium Alloys (Beryllium Bronze)
!Elongation<br />A<sub>50</sub><br />[%]
!Vickers<br />Hardness<br />HV
!Bend Radius[[#text-reference4|<sup>1)</sup>]]<br />perpendicular to<br />rolling direction!Bend Radius[[#text-reference4|<sup>1)</sup>]]<br />parallel to<br />rolling direction
!Spring Bending<br />Limit σ<sub>FB</sub><br />[MPa]
!Spring Fatigue<br />Limit σ<sub>BW</sub><br />[MPa]
|-
|CuBe1,7
|R 390[[#text-reference5|<sup>a</sup>]]<br />R 680[[#text-reference5|<sup>a</sup>]]<br />R 1030[[#text-reference6|<sup>b</sup>]]<br />R 1240[[#text-reference6|<sup>b</sup>]]<br />R 680[[#text-reference7|<sup>c</sup>]]<br />R 1100[[#text-reference7|<sup>c</sup>]]
|380 -520<br />680 - 820<br />1030 - 1240<br />1240 - 1380<br />680 - 750<br />1100 - 1200
|≥ 180<br />≥ 600<br />≥ 900<br />≥ 1070<br />≥ 480<br />≥ 930
|-
|CuBe2
|R 410[[#text-reference5|<sup>a</sup>]]<br />R 690[[#text-reference5|<sup>a</sup>]]<br />R 1140[[#text-reference6|<sup>b</sup>]]<br />R 1310[[#text-reference6|<sup>b</sup>]]<br />R 690[[#text-reference7|<sup>c</sup>]]<br />R 1200[[#text-reference7|<sup>c</sup>]]
|410 -540<br />690 - 820<br />1140 - 1310<br />1310 - 1480<br />690 - 760<br />1200 - 1320
|≥ 190<br />≥ 650<br />≥ 1000<br />≥ 1150<br />≥ 480<br />≥ 1030
|-
|CuCo2Be<br />CuNi2Be
|R 250[[#text-reference5|<sup>a</sup>]]<br />R 550[[#text-reference5|<sup>a</sup>]]<br />R 650[[#text-reference6|<sup>b</sup>]]<br />R 850[[#text-reference6|<sup>b</sup>]]<br />R 520[[#text-reference7|<sup>c</sup>]]
|250 - 380<br />550 - 700<br />650 - 820<br />850 - 1000<br />520 - 620
|≥ 140<br />≥ 450<br />≥ 520<br />≥ 750<br />≥ 340
| <br /> <br />220<br />250<br />210
|}
</figtablediv id="text-reference4"><supsub>1)</supsub> t: Strip thickness max. 0.5 mm<br /div><supdiv id="text-reference5"><sub>a</supsub>solution annealed, and cold rolled<br /div> <supdiv id="text-reference6"><sub>b</supsub>solution annealed, cold rolled, and precipitation hardened<br /div> <supdiv id="text-reference7"><sub>c</supsub>solution annealed, cold rolled, and precipitation hardened at mill (mill hardened)</div></figtable>
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