Specified outside
diameter
D
mm (in) |
Full-size CVN absorbed energy,
minimum
Kv
J (ft.lbf) |
| Grade |
≤ L415 or
X60 |
> L415 0r X60
≤ L450 or X65 |
> L450 or X65
≤ L485 or X70 |
> L485 or X70
≤ L555 or X80 |
> L555 or X80
≤ L625 or X90 |
> L625 or X90
≤ L690 or X100 |
> L690 or X100
≤ L830 or X120 |
| ≤508 (20. 000) |
27 (20) |
27 (20) |
27 (20) |
40 (30) |
40 (30) |
40 (30) |
40 (30) |
>508 (20.000) to
≤762 (30.000) |
27 (20) |
27 (20) |
27 (20) |
40 (30) |
40 (30) |
40 (30) |
40 (30) |
>762 (30.000) to
≤914 (36.000) |
40 (30) |
40 (30) |
40 (30) |
40 (30) |
40 (30) |
54 (40) |
54 (40) |
>914 (36.000) to
≤1 219 (48.000) |
40 (30) |
40 (30) |
40 (30) |
40 (30) |
40 (30) |
54 (40) |
68 (50) |
>1 219 (48.000) to
≤1 422 (56.000) |
40 (30) |
54 (40) |
54 (40) |
54 (40) |
54 (40) |
68 (50) |
81 (60) |
>1 422 (56.000) to
≤2134 (84.000) |
40 (30) |
54 (40) |
68 (50) |
68 (50) |
81 (60) |
95 (70) |
108 (80) |
