ASTM A967-05 PDFASTM A967-05 PDF

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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A superscript epsilon e indicates an editorial change since the last revision or reapproval. Chemical passivation removes free iron and other surface contaminants from stainless steel parts, improving corrosion resistance. Treatments in Citric Acid 7. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Electropolishing and Passivation Standards. The passivation process de? a976-05

NOTE 2—Some of the tests may produce positive indications not associated with the presence of free iron on the stainless steel surface. The test solution shall be mixed fresh on the day of the test. It includes several alternative tests, with acceptance criteria, for confirmation of effectiveness of such treatments for stainless steel parts. A number in parentheses indicates the year of last reapproval.

A rejected lot may, at the zstm of the processor, be re-passivated, with or without re-pretreatment, and then be retested. Precision Machining Technology Show.

ASTM A967 Passivation Standard

asgm Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. A — 05 Standard Speci? These particles must be removed or they will appear as rust or stain spots. Minor changes have been made in the text to facilitate references to the main document and to correct technical inaccuracies.

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It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. The cloth shall be in contact with the steel for an area of at least 20 square inches cm2.

Stainless Steel Passivation and More Able Electropolishing provides metal passivation services that meet the ASTM A standards, as well as other finishing treatments that improve the corrosion resistance of stainless steel and various other alloys. This test is not recommended for detection of free iron on ferritic or martensitic series stainless steels, because these steels will give a positive indication irrespective of the presence or absence of anodic surface contaminants.

The effectiveness of any passivation treatment is demonstrated by the parts meeting the speci? It includes recommendations and precautions for descaling, cleaning, and passivation of stainless steel parts. Such treatments may include externally applying an electrical potential on the stainless steel parts, as in the case of electropolishing. Active view current version of standard. Lot, Frequency of Testing, and Selection of Test Originally approved in At the end of this period, the surface shall be carefully rinsed and dried with care taken not to disturb copper deposits if present.

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ASTM A Passivation Standards | Passivated Stainless Steel Parts

This standard does not purport to address all of the safety concerns, if any, associated with its use. It makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications.

When electrochemical cleaning is w967-05, it shall be performed in accordance with Practice B Statements regarding chemical treatments, unless otherwise speci? The SI units given in parentheses are for information only.

May 15 — 16, Boston, MA. This test shall not be applied to parts to be used in food processing. June 11—13, Chicago, IL. It makes no recommendations regarding the suitability of any grade, treatment, or acceptance criteria for any particular application or class of applications.

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

All samples must pass the speci? 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.

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.