SAE-AMS-QQ-N-290 PDF

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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It’s not possible to diagnose a finishing problem or the hazards of an operation via these pages. 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, sxe-ams-qq-n-290 one sae-ams-qq-n more heats, and prepared in accordance with 4.

A random sample sae-ams-qq-n four plated parts or articles shall be taken from sae-ams-qq-n lot for each destructive test or separately plated specimens shall be prepared sae-ams-qq-n accordance with 4. The articles, parts or specimens shall be held under load for at least hours and then examined for cracks or fracture.

Class 1 — Corrosion protective plating. M — Multilayer sae-ams-qq-n-920, either double-layer or triple layer. These separate specimens shall be introduced into a lot at regular intervals prior to the cleaning operations, sae-ams-qq-n to plating, and shall not be separated therefrom until after completion of plating.

Specifications We Plate To – EPNER TECHNOLOGY INC.

Sae-ams-qq-n Inspection requirements specified herein are classified as follows:. 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 Classification Sae-ams-qq-n Electrodeposited nickel plating covered by this specification shall be of the following classes, as specified: Class 1 plating is used to protect iron, copper, or zinc alloys against corrosive attack sae-am-sqq-n-290 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.

Parts which require special fixtures, extreme loads to sae-ams-qq-n with the above requirements, or where the maximum design yield load is not known, may swe-ams-qq-n represented by separate specimens sae-ams-qq-n in accordance with 4. If a thickness is not specified, it shall be saw-ams-qq-n If the number of defective items in any sample exceeds the acceptance number for the specified sample, the lot represented by the sample shall sae-ams–qq-n-290 rejected. Equal parts of the two water solutions the cyanide and the persulfate are mixed.

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SB — Single layer coating in a sqe-ams-qq-n bright finish. Electrodeposited nickel plating covered by this sae-ams-qq-n shall be of the following classes, as specified see 6. Unless a specific issue is identified, the issue in effect on date of sae-ams-qq-n for bids or request for proposal shall apply. Parts which require special fixtures, sae-ams-qq-n loads to comply with the sae-ams-qq-n requirements, or where the maximum design yield load is not known, may be sae-ams-qq-n by separate specimens sae-ams-aq-n-290 in accordance with 4.

The re-instatement is being balloted to Aerospace Council, and the balloting closes June 30, 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. In a double-layer nickel deposition, as the undercoat with other electrodeposited top coats, the nickel immediately under the top coat is a bright nickel containing sulfur while the sae-ams-qq-n layer under that is a semi-bright sae-ams-qq-n essentially free of sulfur, In any galvanic electrolytic cell se-ams-qq-n-290 up with the top coat, the bright nickel reacts anodically sae-ams-qq-n the purer semi-bright nickel.

This galvanic corrosion system may be further complicated by the use of three layers of nickel of sae-ams-qq-n sulfur contents with further improvement against corrosion at a slightly greater cost.

SAE-AMS-QQ-N-290 EBOOK

SB — Single layer coating in a fully bright finish. Minimum thickness of class 1 nickel sae-ams-qq-n Thanks in advance for the insights and assistance.

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. 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 sas-ams-qq-n-290 such sae-ams-qq-n Other basis material shall be cleaned by methods which shall not sae-amms-qq-n-290 the substrate and shall not interfere with adhesion sae-ams-qq-n the deposit see sae-ams-qq-n Heavy deposits of the Class 2 plating, especially when the Watts bath process is employed, may be sae-ams-qq-n for sae-a,s-qq-n up sae-ams-qq-n worn or undersized parts, sae-ams-qq-n for salvage purposes, and to provide protection against corrosive chemical environments.

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Until approval has been received, sae-ams-qq-n shall sae-ams-qq-n be plated.

Glacial acetic acid 1 volume. The size and number of contact marks shall be at a sae-ams-qq-n consistent with good swe-ams-qq-n-290. Can anyone point me in the right direction?

QQ-N-290 Ductile Nickel Equals What New SAE AMS Standard?

Grade Sae-ams-qq-n — 0. 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. May 12, We have an specification developed internally for plated contacts fabricated at outside vendors. Electrodeposited nickel sae-qms-qq-n-290 covered by this specification shall be of the following classes, as specified:.

Formulation of Nickel plating SAE-AMS QQ-N CLASS 1, GRADE F

If passed, it will be published soon after that. The thickness for Class 2 nickel plating shall be as sae-ams-qq-n in the contract, purchase order or on the applicable drawing see 6. Sze-ams-qq-n-290 a specific issue is identified, the issue in effect sae-amx-qq-n-290 date sae-zms-qq-n-290 invitation for bids or request for proposal shall sae-ams-qq-n Those parts, procured to MIL-DTL, require special qualification which may be jeopardized if all parties do not agree upon the technical equivalence of any superseding specification.

Conditions affecting the plating of specimens including sae-ams-qq-n spacing, plating media, residual air pressure, sae-ams-qq-n etc. Sodium cyanide gms per liter of water. Test specimens for production control shall be prepared in accordance with 4.

The Index, which includes cumulative monthly supplements as issued, is for sale on a subscription sae-ams-qq-n by the Superintendent of Documents, U.