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ASTM B 912 : 2002 : R2013

ASTM B 912 : 2002 : R2013

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Current

The latest, up-to-date edition.

Standard Specification for Passivation of Stainless Steels Using Electropolishing

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-01-2013

Publisher

American Society for Testing and Materials

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Hardcopy - English
PDF - English
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CONTAINED IN VOL. 02.05, 2017 Provides the passivation of stainless steel alloys in the 200 (UNS2XXXX), 300 (UNS3XXXX), AND 400 (UNS4XXXX) series, and precipitation-hardened alloys, using electropolishing procedures.

Committee
B 08
DocumentType
Standard
Pages
4
ProductNote
Reconfirmed 2013
PublisherName
American Society for Testing and Materials
Status
Current
SupersededBy
Supersedes

1.1This specification covers the passivation of stainless steel alloys in the 200 (UNS2XXXX), 300 (UNS3XXXX), and 400 (UNS4XXXX) series, and the precipitation-hardened alloys, using electropolishing procedures.

Note 1—Surface passivation occurs simultaneously with electropolishing under proper operating conditions. The quality of passivation will depend on the type of stainless steel, the formulation of the electropolishing solution, and the conditions of operation. Free iron on the surface of the stainless steel is removed resulting in improved corrosion resistance. Surface smoothing obtained by electropolishing will also improve corrosion resistance. Electropolishing will also remove heat tint and oxide scale.

1.2The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3This specification may involve hazardous materials, operations, and equipment. This specification does not purport to address all of the safety concerns, if any, associated with its use. 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.

ISO 2080:2008 Metallic and other inorganic coatings Surface treatment, metallic and other inorganic coatings Vocabulary
ISO 15730:2000 Metallic and other inorganic coatings — Electropolishing as a means of smoothing and passivating stainless steel
ASTM A 380 : 2006 Standard Practice for Cleaning, Descaling, and Passivation of Stainless Steel Parts, Equipment, and Systems
ISO 4519:1980 Electrodeposited metallic coatings and related finishes — Sampling procedures for inspection by attributes
ISO 9227:2017 Corrosion tests in artificial atmospheres — Salt spray tests

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