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WW II Ballistics Tank Gun Penetration - Japan |
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I have some Japanese penetration tables but I do not know the penetration criteria so the numbers do not have much meaning. The are presented here for reference. |
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| Japanese Guns Penetration figures are an average of data. Unknown success criteria. | |||||||||||||||
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| Gun Type | Ammunition | Angle | Muzzle velocity | Penetration (mm) | |||||||||||
| 100 m | 300 m | 500 m | 1000 m | 1500 m | 2000 m | 2500 m | 3000 m | ||||||||
| 20mm/L73 Type 98 | AP | 0° | 792 m/s (2598 ft/s) | 34 | 29 | 23 | 15 | 10 | |||||||
| 37mm/L37 Type 94 | APHE | 0° | 575 m/s (1886 ft/s) | 39 | 31 | 27 | 20 | 13 | |||||||
| 37mm/L46 Type 98 | APHE | 0° | 685 m/s (2247 ft/s) | 45 | 41 | 37 | 26 | 16 | |||||||
| 37mm/L46 Type 94 | APHE | 0° | 704 m/s (2310 ft/s) | 46 | 42 | 38 | 27 | 18 | 10 | ||||||
| 37mm/L50 Type 01 | APHE | 0° | 800 m/s (2625 ft/s) | 54 | 50 | 46 | 34 | 25 | 16 | ||||||
| 47mm/L54 Type 01 | APHE | 0° | 823 m/s (2700 ft/s) | 75 | 70 | 64 | 50 | 38 | 26 | ||||||
| 75mm/L38.4 Type 90 | APHE | 0° | 683 m/s (2241 ft/s) | 89 | 84 | 79 | 66 | 56 | 47 | 39 | 26 | ||||
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Average of collected data. I am not able to determine the armor quality or test criteria from the data. So this is just a straight average of the data and is not normalized. |
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| Armor Basis is Averaged and Normalized to RHA BHN 270 Penetration figures use 50% success criteria. | |||||||||||||||
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| Gun Type | Ammunition | Angle | Muzzle velocity | Penetration (mm) | |||||||||||
| 100 m | 300 m | 500 m | 1000 m | 1500 m | 2000 m | 2500 m | 3000 m | ||||||||
| 20mm/L73 Type 98 | AP | 0° | 792 m/s (2598 ft/s) | 33 | 27 | 22 | 14 | ||||||||
| 37mm/L37 Type 94 | APHE | 0° | 575 m/s (1886 ft/s) | 32 | 27 | 22 | 15 | 12 | |||||||
| 37mm/L37 Type 97 | APHE | 0° | 685 m/s (2247 ft/s) | 43 | 36 | 30 | 18 | 13 | |||||||
| 37mm/L45.9 Type 94 | APHE | 0° | 704 m/s (2310 ft/s) | 46 | 40 | 34 | 20 | 15 | |||||||
| 37mm/L50 Type 01 | APHE | 0° | 800 m/s (2625 ft/s) | 56 | 49 | 42 | 25 | 16 | |||||||
| 47mm/L54 Type 01 | APHE | 0° | 823 m/s (2700 ft/s) | 78 | 71 | 64 | 47 | 32 | 24 | ||||||
| 57mm/L18.5 Type 92 | APHE | 0° | 349 m/s (1145 ft/s) | 32 | 29 | 27 | 23 | 20 | 18 | ||||||
| 57mm/L18.5 Type 01 | APHE | 0° | 420 m/s (1378 ft/s) | 43 | 37 | 33 | 26 | 23 | 21 | ||||||
| 75mm/L20.8 Type 99 | APHE | 0° | 450 m/s (1476 ft/s) | 59 | 54 | 50 | 42 | 36 | 33 | ||||||
| 75mm/L30.7 Type 38 | APHE | 0° | 510 m/s (1673 ft/s) | 65 | 64 | 60 | 49 | 41 | 36 | ||||||
| 75mm/L38.4 Type 3,90 | APHE | 0° | 680 m/s (2231 ft/s) | 100 | 95 | 89 | 77 | 65 | 54 | ||||||
| 75mm/L44.1 Type 04,88 | APHE | 0° | 719 m/s (2359 ft/s) | 108 | 102 | 96 | 82 | 69 | 56 | ||||||
| 75mm/L56.4 Type 05 | APHE | 0° | 850 m/s (2789 ft/s) | 133 | 122 | 114 | 99 | 82 | 67 | 51 | |||||
| 105mm Type 91 | APHE | 0° | 419 m/s (1375 ft/s) | 61 | 61 | 59 | 50 | 44 | 41 | 38 | 36 | ||||
| 105mm Type 92 | APHE | 0° | 792 m/s (2598 ft/s) | 162 | 154 | 146 | 126 | 109 | 92 | 76 | 60 | ||||
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In order to compare gun penetration with the same conditions the above data is computed with a shell quality 0.9 and from NaaB2. This produces firing data based on US 1944 Class B homogeneous armor. This then is normalized to the standard used here. |
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