ASTM 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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Treatments in Citric Acid 7.

Current edition approved Sept. Practice A—Water Immersion Test When electrochemical cleaning is required, it shall be performed a9677-05 accordance with Practice B QQ-PC, but also includes a number of alternative passivation treatments.

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. Such records shall be available for inspection when speci? 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.

Not all of the following tests are suitable for all grades of stainless steel. The effectiveness of a particular treatment for a particular grade of stainless steel in a particular application is demonstrated by meeting the speci? A — 05 Standard Speci?

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

These tests include the following practices: 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. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard.

This cycle shall be repeated a minimum of twelve times. 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. The parts shall then be thoroughly dried.

ASTM A967 Passivation Standard

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.

The ASTM provides instructions and acceptance criteria for these and other tests that can verify the quality of a stainless steel passivation operation. An example would be application of Practice C on some lesser-alloyed martensitic or ferritic stainless steels.

Electropolishing and Passivation Standards. Cleaning by mechanical methods or other chemical methods is recommended. 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? The number of samples tested from a lot subject to retest shall be twice the original speci?

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The standards that collectively make up the ASTM A passivation specification ensure that nitric and citric stainless steel passivation is performed properly a967–05 with quality results. A number in parentheses indicates the year of last reapproval.

ASTM A Passivation Standards | Passivated Stainless Steel Parts

Chemical passivation removes free iron and other surface contaminants from stainless steel parts, improving corrosion resistance. The ASTM A passivation standard applies to the cleaning, passivation and testing of stainless steel parts. Rejection and Retest The processor is not required to reveal the precise composition of proprietary chemical mixtures but shall maintain a unique identi?

These tests include the following practices:.

Rinsing can be accomplished by a combination of stagnant, countercurrent or spray rinses, or both, prior to? Active view current version of standard. May 15 — 16, Boston, MA. Determination of the suitability of this speci?