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MIL-J-24445A(SH)
25 July 1977” -
SUPERSEDING
MIL-J-24445 (SHIPS)
1 March 1971
(See 6.4)
MILITARY SPECIFICATION
JOINT, BIMETALLIC BONDED, ALUMINUM ‘lY2
STEEL
This specification is approved for use by the Naval Sea Systems Commend
and is available for use by all Departments and Agencies of the
Depart-
ment of Oefense.
1. SCOPE
1.1 Scope.
This specification covers aluminum to steel transition joints made by the
roll bonding and explosion bonding processes.
The joints are obtained from aluminum to steel
bonded plate, and -y be supplied in various geometries such as bars,
discs, rings, or rec-
tangles. This specification does not cover joints made by welding or brazing.
2.
APPLICABLE DOCUMENTS
2.1 Issues of documents. The following documents, of the issue in effect on date of
invitation for bi= or request for proposal, form a part of this specification to the extent
specified herein.
STANDARD
MILITARY
MIL-STD-271 - Nondestructive Testing Requirements for Metals.
PUBLICATION
NAVAL SSA SYSTEMS COMMAND
NAVSSA O9OO-LP-OOO-1OOO - Fabrication, Welding, and Inspection of Ship Hulls.
(Copies of specifications, standards, drawings, and publications required by contractors
in connection with specific procurement functions should be obtained from the procuring
activity or as directed by the contracting officer.)
3. REQUIREMEIWS
3.1 First article.
men specified (see 6.2.1), the contractorshall furnishsamPle
bonded material ~st articleinspectionand approval(see
4.3
and 6.3).
Bonded material
shall conform to the utechanicalproperties shown in
table I.
TABLE I.
Mechanical prope
rties for bonded joint material.
1
Condition
Bond ultimate
Welded Fabricated
Shear strength
fatigue strengthtensile strength
tensile
strength
lb/in2 lb/in2
k clad
11,000
8,000
!
~/
~
I
[Simulated
~elding cycl&
11,ooo
8,000
f
&i
welded
I
y
See footnotes at top of next page.
Beneficial comments (recommendations, additions, deletions) and any pertinent
data which may be of use in improving this document should be addressed to:
Commander, Naval Ship Engineering Center, SEC 6124, Department of the Navy,
Washington, D.C. 20362 by using the self-addressed Standardization Document
Improvement Proposal (DD
Form 1426) appearing at the end of this document or
by letter.
FSC 9535
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