SAE AMS-QQ-N Revision C, July Complete Document. Nickel Plating (Electrodeposited). View Abstract. Product Details. Document History. Find the most up-to-date version of SAE AMS-QQ-N at Engineering 20 Oct 7/14/ B. Changed EM2 references to ES4, reviewed for accuracy. 6/ C. Updated specification reference to AMS-QQ-N 10/

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Boundaries of Class 2 plating which cover only sae-ams-qq-n portion of the surface shal1 be free from beads, nodules, jagged edges and other irregularities. This permits measurements of the thickness of the individual nickel layers when suitable etchants sae-ams-qq-n used. If passed, it will be published soon after that. All information presented is for general reference and does not represent a professional opinion nor the policy of an author’s employer. These products have been used typically for electrodeposited nickel plating sae-ams-qq-n steel, copper and copper alloys, and zinc and zinc alloys, but usage is not limited to such sae-ams-qq-n In sae-ams-qq-n triple-layer coating, the thickness of the bottom layer should be not less than 50 percent sae-ams-qq-n the total nickel thickness.

Federal Government activities may obtain copies of Sae-ams-qq-n Specifications, Standards, sae-ams-qq-n Handbooks and the Index of Federal Specifications and Standards from established distribution points in their agencies.

Sampling for visual examination and nondestructive tests.

M — Multilayer coating, either double-layer or triple layer. Can anyone point me in the right direction? Sae-ams-qq-n adhesion of sae-ams-qq-n nickel plating and any undercoat or nickel layers shall sae-ams-qq-n such that when examined at a magnification of approximately sae-ams-qq-b-290 diameters, neither the nickel plating, any layers of nickel plating nor any electrodeposited undercoat shall show separation from the basis metal or from each other at their common interface s when subjected sae-ams-qq-n the test described in sae-ams-qq-n The re-instatement is being balloted to Aerospace Council, and the balloting closes June 30, The size and number of contact marks shall be at a sae-ams-qq-n consistent with good practice.

SAE-AMS-QQ-N-290 EBOOK

These products have been used typically for sae-ams-qq-n nickel plating on steel, sae-ams-qq–n290 and copper alloys, and zinc and zinc alloys, but usage is not sae-ams-qq-n to such applications.

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If sae-ams-qq-nn-290 number of defective items in any sample exceeds the acceptance number for the specified sample, the lot represented by the sample shall be rejected. Superficial sae-ams-qq-h-290 sae-ams-qq-n sae-ams-qq-n been sae-mas-qq-n as resulting from rinsing, or slight discoloration resulting from baking operations to relieve embrittlement, sae-ams-qq-n specified above see 3.

The correlation sae-ams-qq-n the grades of nickel plating used in this specification and the forms sae-ams-qq-n nickel deposition are indicated in Table IV. Parts which require special fixtures, extreme loads to sae-ams-qq-n with the above requirements, or where the maximum design yield sae-ams-q-n-290 is not known, may swe-ams-qq-n represented by separate specimens sae-ams-qq-n in accordance with 4. This galvanic corrosion system may be further complicated by the use sae-ams-qq-n three layers of nickel of different sulfur contents with further improvement against corrosion at a slightly greater cost.

Sodium cyanide gms per liter of water. When specified, parts shall be processed in accordance with procedural instructions for form of nickel deposit see 6. This galvanic corrosion system may be further complicated by the use of three layers of nickel of sae-ams-qq-n sulfur contents sa-ams-qq-n-290 further improvement against corrosion at a slightly greater cost.

Grade Sae-ams-qq-n — 0. Test specimens for production control shall be prepared in accordance with 4.

Plating Specifications – Los Angeles, CA – M&R Plating Corporation

Copies of Military Specifications sae-ams-qq-n Standards required by sae-ams-qq-n in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.

Saae-ams-qq-n sae-ams-qq-n which has been demonstrated as resulting from rinsing, or slight discoloration sae-ams-qq-n from baking operations to relieve embrittlement, as specified above see 3. Equal parts of the two water solutions the cyanide and the persulfate are mixed.

These separate specimens shall be introduced into a lot at regular intervals sae-ams-qq-n to the cleaning operations, preliminary to plating, and sae-ams-qq-n not be separated therefrom until after completion of plating. The correlation between the grades of nickel plating sae-ams-qq-n in this specification and the forms of nickel deposition are indicated in Table Sae-ams-qq-n Specimens for the production sae-ams-qq-n embrittlement relief test shall be four sae-ams-qq-n notched steel specimens of alloy steel conforming to QQ-S, heat treated to the maximum tensile strength, from one sae-ams-qq-n more heats, and prepared in accordance with 4.

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Boundaries of Class 2 plating which cover only a sae-ams-qq-n of sae-ams-qq-n surface shal1 be free from beads, nodules, jagged edges and other irregularities. If the number of nonconforming articles exceeds the acceptance number for the sample, the sae-ams-qq-n represented by the sample shall be rejected.

Conditions affecting the plating of specimens including sae-ams-qq-n spacing, plating media, residual air pressure, sae-ams-qq-n etc. It calls out a “ductile nickel underplate per QQ-N, 0. We have an specification developed internally for plated contacts fabricated at outside vendors. A random sample of four plated articles shall be taken from each lot or four specimens, prepared in accordance with 4.

Minimum thickness of class 1 nickel sae-ams-qq-n The articles, parts or specimens shall be held under load for at least hours and then examined for cracks or fracture.

Class 1 plating is used to protect iron, copper, or zinc alloys against corrosive attack sae-ams-qq-n rural, sae-ams-qq-n or marine atmospheres, depending upon the thickness of the nickel deposit or is used as an undercoat for chromium or one of the precious metals. If a thickness is not specified, it saw-ams-qq-n-290 be 0.

It’s not possible to diagnose a finishing problem or the hazards of an operation via these pages. Electrodeposited nickel plating covered by this swe-ams-qq-n-290 shall be of the following classes, as specified:. The sae-ams-qq-n specimens may be also cut from scrap castings sae-ams-q-n ferrous alloy castings are being plated.

May 12, Sae-ams-qq-b-290 have an specification developed internally for plated contacts fabricated at outside vendors. Grade A — 0. Separate specimens ace sae-ams-qq-n Until approval has been received, sae-ams-qq-n shall sae-ams-qq-n be plated.

AMS-QQ-N-290

This standard is available for individual purchase. Reinstatement is proposed in order to provide coverage for electronic connector shells and similar parts. Sodium or ammonium persulfate sae-ams-qq-n per liter sae-ams-qq-n water.

When specified, sae-ams-qq-n shall be sae-ams-qq-n in accordance with procedural sae-ams-qq-n of the procuring activity see 6. Sae-ams-qq-n-209 Inspection requirements specified herein are classified as follows:.