INCH-POUND
MIL-A-12560H(MR)
28 November 1990
SUPERSEDING
MIL-A-12560G(MR)
15 August 1984
MILITARY sPECIFICATION
ARMOR PLATE , STEEL, WROUGHT, HOMOGENEOUS
(FOR USE IN COMBAT-VEHICLES AND. FOH AMMUNITION TESTING)
This specification is approved for use by the Materials Technology
Laboratory,
Department of the Army, and is available for use by all
Department and Agencies of the Department of Def en$e.
1. SCOPE
1,1 q.
This specification covers wrought-steel homogeneous armoc
plate in thicknesses from 1/4 to 6 inches inclusive for use in combat-vehicles
and 1/4 to 12 inches inclueive for use in.proof and acceptance testin9 of
armoz defeating ammunition (see 6,1 and 6.4.3 ].
1,2 Classification. wrought armor shall be of the following classes as
specified (see 6.1).
1,2,1 class 1. wrought armor plate which iS heat treated tO develOp
maximum resistance. to penetration.
1.2.2 class 2. Wrought armor plate which is heat treated to develop
maximum resistance to shock.
1.2.3
class 3. Wrought armor plate which is heat trea~ed to develop
specific hardness and impact values for evaluation of armor defeating
ammunition only.
‘I’hisclass armor is not intended for use in combat-vehicles”.
To meet the thickness tolerances of this class armor special sUrf aCe finishing
may be required.
2. APPLICABLE DOCUMENTS
2.1 Government documents.
2.1.1 Specifications, standards, and handbooks.
The following
specifications, standards, and handbooks form a Part of this document to the
extent specified herein. .Unless otherwise. specified, the issues of these
documents are those listed in the issue of the Department of Defense Index of
Specifications and Standards (DODISS) and supplement thereto, cited in the.
solicitation (see 6.2).
Beneficial comments (recommendations, additions, deletions) and any pertinent
data which may be of use in improving this “document shOuld be addressed to:
Director, U.S. ArMY Laboratory Command, Materials Technology Laboratory,
ATTN : SLCMT-MEE, Watertown, WA U2172-0001 by using the Standardization
Document Improvement Proposal (DD FOrm 1426) appearing at the end of this
document or’by letter.
AMSC N/A
FSC 9515
DISTRIBUTION STATEMENT A
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