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Beryllium Copper Tolerances
Round Bars
| Round Bars |
| Alloy(s) |
|
Spec. Diameter, in. |
Diameter Tol. (over(+)/under(-)) |
| 173 |
Hard Drawn |
Up to 0.150, incl. |
+/- 0.002" |
| 173 |
Hard Drawn |
Over 0.150 to 0.500, incl. |
+/- 0.002" |
| 172, 173 |
Hard Drawn |
Over 0.500, to 1.00, incl. |
+/- 0.003" |
| 172 |
Hard Drawn |
Over 1.00 to 2.00, incl. |
+/- 0.004" |
| 172 |
Hard Drawn |
Over 2.00 to 2.5, incl. |
+/- 0.005" |
| Straightness Tolerance - Drawn Round Bar |
| Alloy(s) |
|
Mill Length, ft. |
Max. Curvature (Depth of Arc), in. |
| 172 & 173 |
Drawn |
10 and over |
0.5" in any 10-ft portion |
| Straightness tolerance will be void once full length is cut |
| Round Bars |
| Alloy(s) |
Spec. Diameter, in. |
Diameter Tol. (over(+)/under(-)) |
| MoldMax High Hard |
0.5 to 0.875, incl. |
+ 0.020" to +0.040" |
| MoldMax High Hard |
1 |
+ 0.020" to +0.050" |
| MoldMax High Hard |
Over 1 to 2, excl. |
+ 0.030" to +0.060" |
| MoldMax High Hard |
2 to 4, excl. |
+ 0.040" to +0.080" |
| MoldMax High Hard |
4 to 6, incl. |
+ 0.060" to +0.120" |