6 Further information is available in ISo or ASTM B . [7] ASTM B Standard Specification for Passivation of Stainless Steels Using. Classic Electropolishing provides passivation services adhering to ASTM B, passivation using electropolishing for stainless steel series, stainless steel. Designation: B − 02 (Reapproved ) ´1 Standard Specification for Passivation of Stainless Steels Using Electropolishing.

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Electropolishing will also remove heat tint and oxide scale.

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. For a metal finisher to meet these standards for stainless steel passivation, they must adhere to specific protocols and ensure a particular quality of work. If you are an engineer working on a drawing just add the following note to your product “passivation per ASTM B” and we will know what to do.

Surface smoothing obtained by electropolishing will also improve corrosion resistance. By maintaining tight control of our processing parameters, we are able to continue to meet the rigid guidelines of the ASTM, providing our clients not only with superior results in a timely fashion, but also peace of mind that their work is in good hands. Reach out to us electropolished on Twitter.

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We do not have any trade shows on our calendar presently, we will update our calendar soon. Free iron on the surface of the stainless steel is removed resulting in improved corrosion resistance.

According to the ASTM, the electropolisher must include post-coating procedures as part of the process, as well as performance testing by means such as a salt spray test, a humidity test or a copper sulfate test.


They allow us to do our job better and not worry about the finish” – Modern Grinding. This type b921 stainless steel passivation includesand series alloys and is superior to standard chemical passivation. At Classic Electropolishing quality finishing and polishing is paramount, both to us and to our customers. This specification does not purport to address all of the safety concerns, if any, associated with its use.

ASTM B912 Electropolishing Standard

Post-coating procedures such as post dip and final rinsing shall be performed as well. The performance of the specimens during passivation shall be evaluated by one or more of the following procedures: These factors and others determine eligibility for meeting this specification.

Classic Electropolishing adheres to the following additional standards: Electropolishing and Passivation Standards. It covers both the passivation of stainless steel and the precipitation via electropolishing.

Standard ASTM B applies to pre-electropolishing cleaning and post-electropolishing coating such as a dip and rinse process. Surface passivation occurs simultaneously with electropolishing under proper operating conditions.

Historical Version s – view previous versions of standard. This specification covers the passivation by electropolishing of stainless steel alloys in the, and series, as well as precipitation-hardened alloys.

Basis materials shall be free of clearly visible defects, and if necessary, shall undergo preparatory cleaning procedures prior to electropolishing. No other units of measurement are included in this standard.

ASTM B Passivation Using Electropolishing

Link to Active This link will always route to the current Active version of the standard. Some industries classify the process using standards outside of ASTM. Classic Electropolishing provides passivation services adhering to ASTM B, passivation using electropolishing for stainless steel series, stainless steel V, stainless steel and stainless steel series. If you have a process that you would like qstm to adhere to, don’t hesitate to reach out and see if we can help.


Electropolishing standards are used by a asrm variety of industries. This abstract is a brief summary of the referenced standard. Twitter Facebook info electropolishing. Customer Quotes “We have never had an issue with Classic Electropolishing.

It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. The quality of passivation will depend on the type of stainless steel, the formulation of the electropolishing solution, and the conditions of operation. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

What Does This Mean? Referenced Documents purchase separately The documents listed below are referenced within the b92 standard but are b92 provided as part of the standard. Able Electropolishing meets the high sstm of the American Society for Testing and Materials ASTMincluding those for stainless steel passivation using electropolishing. Because Able B921 adheres to the ASTM B electropolishing guidelines for stainless steel passivation, our clients know what quality of work to expect when we process various types of stainless steels.

Website by Dan Voell. The ASTM B electropolishing specification outlines the electropolishing process for stainless steel alloys.