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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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The suitability of such passivation treatments for use in 3 meeting the requirements of this speci?

Able Electropolishing provides metal passivation services that meet the A9677 A standards, as well as other finishing treatments that improve the corrosion resistance of stainless steel and various other alloys.

The parts shall then be thoroughly dried. 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 a67 with a sponge or similar water source. The effectiveness of a particular treatment for a particular grade of stainless steel in a particular application is demonstrated by meeting the speci? When electrochemical asrm is required, it shall be performed in accordance with Practice B An example would be application of Practice C on some lesser-alloyed martensitic or ferritic stainless steels.

The test solution shall be mixed fresh on the day of the test. Appendix X1 gives some nonmandatory information and provides adtm general guidelines regarding the selection of passivation treatment appropriate to particular grades of stainless steel. The ASTM provides instructions and acceptance criteria for these and other tests that can verify the quality of a stainless steel passivation operation. This standard does not purport to address all of the safety concerns, if any, associated with its use.

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NOTE 2—Some of the tests may produce positive indications not associated with the presence of free iron on the stainless steel surface. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

All samples must pass the speci? It includes several alternative tests, with acceptance criteria, for con?

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

The number of samples tested from a lot subject to retest shall be twice the original speci? Practice D—Copper Sulfate Test Determination of the suitability of this speci? These astn must be removed or they will appear as rust or stain spots.

After removal of the cloth pad, the surface of the part shall be allowed to dry in air before inspection. It makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications.

ASTM A967 Passivation Standard

The SI units given in parentheses are for information only. June 11—13, Chicago, IL. Rinsing can be accomplished by a combination of stagnant, countercurrent or spray rinses, or both, prior to? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Atm comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters.

Statements regarding chemical treatments, unless otherwise speci? The cleaning of these contaminants from the stainless steel surface will facilitate the spontaneous passivation by allowing the oxygen uniform access to the surface.

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ASTM A Passivation Standards | Passivated Stainless Steel Parts

These tests include the following practices:. 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. If you feel that your comments have not received a fair hearing you should make your views known to asmt ASTM Committee on Standards, at the address shown below. Not all of the following tests are suitable for all grades of stainless steel.

These ASTM-approved tests may include:. Chemical passivation removes free iron and other surface contaminants from stainless steel parts, improving corrosion resistance. An example of a medium that serves to accelerate the formation of the passive?

Such treatments may include externally applying an electrical potential on the stainless steel parts, as in the case of electropolishing. QQ-PC, but also includes a number of alternative passivation treatments. It makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications. Current edition approved Sept. Precision Machining Technology Show.

Materials and Preparation for Passivation Treatments 5. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

These ASTM-approved tests may include:

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