MIL-STD-870 Cadmium Plating, Low Embrittlement, ElectrodepositonThis standard covers the process and materials required for the electro-deposition of cadmium on high strength steel substrates. Subsequent heat treating techniques needed to insure low embrittlement of steel are also described. This process is not authorized for use on steel heat treated above 1.65 X 10 9 PASCALs Pa 240,000 pounds per square inch {psi} without the approval of the applicable procuring activity.

Pages 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10 - 11 - 12 - 13 - 14

MIL-STD-870C

w/CHANGE 1

1.   SCOPE

1.1   Scope.   This standard covers the process and materials required for the electro-deposition of cadmium on high strength steel substrates.  Subsequent heat treating techniques needed to insure low embrittlement of steel are also described.  This process is not authorized for use on steel heat treated above 1.65 X 109  PASCAL's (Pa) (240,000 pounds per square inch {psi}) without the approval of the applicable procuring activity.

1.2   Documentation.   This standard meets the corrosion resistance requirements of SAE-AMS-QQ-P-416.  It may be used whenever SAE-AMS-QQ-P-416 is specified provided any unique requirements in SAE-AMS-QQ-P-416 are compiled with.

1.3   Classification.

1.3.1   Classes.   Cadmium plating covered by this standard identifies the following classes:

a.   Class 1                 0.013mm (0.0005 inch) thick minimum b.   Class 2                 0.008mm (0.0003 inch) thick minimum c.   Class 3                  0.005mm (0.0002 inch) thick minimum

2.   APPLICABLE DOCUMENTS

2.1   General.   The documents listed in this section are specified in sections 4 and 5 of this standard.  This section does not include documents cited in other sections of this standard or recommended for additional information or as examples.  While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements or documents cited in sections

4 and 5 of this standard, whether or not they are listed.

2.2   Government documents.

2.2.1   Specifications, standards, handbooks, and commercial item descriptions. The following specifications, standards, handbooks, and commercial item descriptions form a part of this document to the extent specified herein.  Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract.

DEPARTMENT OF DEFENSE SPECIFICATIONS

MIL-S-5002                 Surface Treatments and Inorganic Coatings for

Metal Surfaces of Weapon System

1