Designation: A – 05e1 ASTM Standards: 2 1 This specification is under the jurisdiction of ASTM Committee A01 on Steel. The ASTM A passivation standard ensures high quality results for passivated stainless steel. Learn how Able Electropolishing meets these standards. ASTM A – Designation: A – 05 Standard Speci?cation for Chemical Passivation Treatment.
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This standard does not purport to address all of the safety concerns, if any, associated with its aetm. 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.
ASTM A967 Passivation Standard
This standard does not purport to address all of the safety concerns, if any, associated with its use. Rejection and Retest Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. A superscript epsilon e indicates an editorial change since the last revision or reapproval. These ASTM-approved tests may include: This test shall not be applied to parts to be used in food processing.
Gain access to the technologies and people in aerospace and defense manufacturing. The cleaning of these contaminants from the stainless steel surface will facilitate the spontaneous passivation by allowing the oxygen uniform access to the surface. NOTE 2—Some of the tests may produce positive indications not associated with the presence of free iron on the stainless steel surface. These ASTM-approved tests may include:.
It includes recommendations and precautions for descaling, cleaning, and passivation of stainless steel parts. Active view current version of standard. It is recommended for detection of free iron on austenitic and series stainless steels.
ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. It makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications.
Cleaning by mechanical methods or other chemical methods is recommended. 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. It includes several alternative tests, with acceptance criteria, for con? The presence of exogenous surface contamination, including dirt, grease, free iron from contact with steel tooling, and so forth, may interfere with the formation of the passive?
ASTM A Passivation Standards | Passivated Stainless Steel Parts
Appendix X1 gives some nonmandatory information and provides some general guidelines regarding the selection of passivation treatment appropriate to particular grades of stainless steel. Link to Active This link will always route aa967-05 the current Active aastm of the standard. The cloth shall be in contact with the steel for an area of at least 20 square inches cm2. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
The ASTM A passivation standard applies to the cleaning, passivation and testing of stainless steel parts. Practice F—Free Iron Test FebAnaheim, CA. The SI units given in parentheses are for information only. NOTE 1—The selection of medium and procedures for a neutralization depends of the chemistry of the passivation and on economic considerations.
This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? The pad shall be a967-0 wet through the test period, either by a method of retarding external a96705, by the further addition of potable water, or by backing the pad with a sponge or similar water source.
An example of a medium that serves to accelerate the formation of the passive? Rinsing can be accomplished by a combination of stagnant, countercurrent or spray rinses, or both, prior to?
Attention shall be given to maintaining adequate volume, concentration, purity, and temperature control appropriate to the size and amount of stainless ast to be treated. Minor changes have been made in the text to facilitate references to the main document and to correct technical inaccuracies.
astk Immersion bath to be controlled at a pH of 1. These particles must be removed or they will appear as rust or stain spots. Asstm A—Water Immersion Test It includes recommendations and precautions for descaling, cleaning, and passivation of stainless steel parts. 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 de?
Current edition approved Sept. These tests include the following practices:. Able Electropolishing provides metal passivation services that meet ashm ASTM A standards, as well as other finishing treatments that improve the corrosion resistance of stainless steel and various other alloys.
Practice C—Salt Spray Test 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 the address shown below.