ASTM A967 05 PDF

Designation: A — 05€* This specification is under the jurisdiction of ASTM Committee A01 Provided by IMS under license with ASTM. The ASTM A passivation standard ensures high quality results for passivated stainless steel. Learn how Able Electropolishing meets these standards. Buy ASTM A /AM: SPECIFICATION FOR CHEMICAL PASSIVATION TREATMENTS FOR STAINLESS STEEL PARTS from SAI.

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This test shall not be applied to parts to be used in food processing.

Cleaning by mechanical methods or other chemical methods is recommended. Minor changes have been made in the text to facilitate references aatm the main document and to correct technical inaccuracies. These ASTM-approved tests may include: The cleaning of these contaminants from the stainless steel surface will facilitate the spontaneous passivation by allowing the oxygen uniform access to the surface.

The standards that collectively make up the ASTM A passivation specification ensure that nitric and citric stainless steel passivation is performed properly and with quality results. Lot, Frequency of Testing, and Selection of Test After removal of the cloth pad, the surface of the part shall be allowed to dry in air before inspection. The effectiveness of a particular treatment for a particular grade of stainless steel in a particular application is demonstrated by meeting the speci? The ASTM A passivation standard applies to the cleaning, passivation and testing of stainless steel parts.

ASTM A – 05 Standard Specification for Chemical Passivation Treatments for Stainless Steel Parts

The surface of stainless steel that has been pickled is free of scale, free iron, and exogenous foreign matter, and does not require a separate treatment for passivation as de? If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at s967 address shown below.

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The pad shall be maintained wet through the test period, either by a method of retarding external evaporation, by the further addition of potable water, or by backing the pad with a sponge or similar water source.

Originally approved in The effectiveness of any passivation treatment is demonstrated by the parts meeting the speci? This standard is subject to revision at any time by the responsible technical committee and must be reviewed every?

These tests include the following practices:. These ASTM-approved tests may include:.

It is the responsibility asym the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. NOTE 2—Some of the tests may produce positive indications not associated with the presence of free iron on the stainless steel surface.

These tests include the following practices: It is especially useful for large parts that have been uniformly cleaned but that are inconvenient for reasons of size of equipment or ease of handling of the part to place in the environments 0 Stainless steel passivation performed to the ASTM A standards meets these standards by passing tests that confirm its effectiveness, particularly as it pertains to removing free iron from the cold-worked surfaces.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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This test is not recommended for detection of free iron on ferritic or martensitic series x967 steels, because these steels will give a positive indication ast, of the presence or absence of anodic surface contaminants. A superscript epsilon e indicates an editorial change since the last revision or reapproval.

Such records shall be available for inspection when speci? Rejection and Retest These tests include the following practices: All samples must pass the speci? A rejected lot may, at the option of the processor, be re-passivated, with or without re-pretreatment, and then be retested.

Q967 April 30 – May 1 Gain access to the technologies and people in aerospace and defense manufacturing. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

Determination of the suitability of this speci?

ASTM A967 Passivation Standard

Current edition approved Sept. Last previous edition approved in as A — 01e1. By meeting standards set by the ASTM and other organizations, we can ensure consistently-high quality for a broad range of metal parts across many industries. It includes several alternative tests, with acceptance criteria, for confirmation of effectiveness of such treatments for stainless steel parts.

It is recommended for detection of free iron on austenitic and series stainless steels. The number of samples tested from a lot subject to retest shall be twice the original speci?