|
Armor
Steel |
References
Consulted:
US
Battleships: An Illustrated Design History
by
Norman Friedman
Japanese
Cruisers of the Pacific War
|
Weight
per Square Foot |
Thickness of Plate |
|
10 psf |
0.25” (6.35mm) |
|
15 psf |
0.375” (9.52mm) |
|
20 psf |
0.5” (12.7mm) |
|
25 psf |
0.625” (15.88mm) |
|
30 psf |
0.75” (19.05mm) |
|
35 psf |
0.875” (22.23mm) |
|
40 psf |
1” (25.40mm) |
|
50 psf |
1.25” (31.75mm) |
|
60 psf |
1.5” (38.1mm) |
|
70 psf |
1.75” (44.45mm) |
|
80 psf |
2” (50.8mm) |
|
90 psf |
2.25” (57.15mm) |
|
100 psf |
2.5” (63.5mm) |
|
120 psf |
3” (76.2mm) |
|
140 psf |
3.5” (88.9mm) |