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Armor Material - Steel Armor Plate |
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| Allegheny Ludlum K12® Dual-Hardness Armor Plate material has an extensive history of successful use in armored cars and similar equipment. ATI 500-MIL™ steel is a wrought, air-hardenable Ni-Cr-Mo material that is similar in hardness and ballistic properties to a 500BHN “High-Hard” armor steel. The balanced composition of the alloy leads to very high toughness relative to other “high-hard” alloys while maintaining excellent ballistic resistance. | |
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Armor Material - Steel Armor Plate | |
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| Alloy (UNS Designation) |
End Use | Composition nominal wt% |
Specifications | Density lb/in3 (g/cm3) |
Tensile Strength ksi. (MPa) |
0.2% Yield Strength ksi. (MPa) |
Elong- ation % |
Hardness | ||
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| ATI 500-MIL™
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Military and civilian armoring applications | C 0.22 – 0.32, Ni 3.50 – 4.00, Cr 1.60 – 2.00, Mo 0.22 – 0.37, Mn 0.80 – 1.20, Si 0.25 – 0.45, P 0.020 (max), S 0.005 (max), Fe Balance | 0.285 (7.85) |
260 (1792) |
150 (1034) |
13 | 477 to 534 BHN | |||
| K12® - Armor Plate
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Military and civilian armoring applications | Ni-Cr-Mo | 0.284 (7.86) |
148 (1020) |
130 (900) |
14.5 | ||||
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