Innovative processes for electropolishing of medical. Purchase your copy of astm a380a380m 17 as a pdf download or hard copy directly from the official bsi shop. All bsi british standards available online in electronic and print formats. Semi f19, electropolishing specifications for semiconductor applications. Standards and technical documents standard specification for passivation of stainless steels using electropolishing astm b91202 supplier. Active standard astm a380 a380m developed by subcommittee. Standard test method for attribute sampling of metallic.
This standard is issued under the fixed designation b912. Standard specification forpassivation of stainless steels using electropolishing1. Electropolish astmb91202 specs home the electropolish process is the removal of substrate base material in such a fashion as to produce a highly reflective surface in most cases. Electropolishing, also known as electrochemical polishing, anodic polishing, or electrolytic. This test method is applicable only for testing coatings that are normally readily solderable such as. Astmb912 standard specification for passivation of. Able electropolishing meets the high standards of the american society for testing and materials astm, including those for stainless steel passivation using. Currently, many medical devices are made of implantable metals such as 316lvm stainless steel.
This type of stainless steel passivation includes 200, 300 and 400series alloys and is superior to standard chemical passivation. Astmb912 archives document centers standards forum. Electropolishing is most frequently used on stainless steel, relatively high in both nickel and chromium content. Pdf science and industry of electropolishing researchgate. These companies offer a comprehensive range of electropolishing, as well as a variety of related products and services. Mechanical polishing asme bpe approved for 2014 edition. Welcome to the premier industrial source for electropolishing in florida. The voluntary standard provides a consistent and technically sound methodology to identify, analyze, quantify, and communicate asset characteristics, vulnerabilities to natural and manmade hazards, and consequences of these hazards on the campuses of colleges and universities. Astm b912 0220 standard specification for passivation of stainless steels using electropolishing. Pdf stainless steel passivation using electropolishing and. Therefore ast uses different types of pickling acids designed to remove these films prior to the passivation of the parts. Astm b912022018 standard specification for passivation of stainless steels using electropolishing. The astm b912 electropolishing specification outlines the electropolishing process for stainless steel alloys.
Astmb912 the plating spec poster a handy tool for plating and coating specialists techplates plating and anodizing specifications chart is a handy wall chart developed to summarize a variety of frequently referenced plating specs. An astm designation number identifies a unique version of an astm standard. There are more resources out there, i did a simple download free bs standards search, to see the above. Astm b91202 passivation of stainless steels using electropolishing free download as pdf file. Astm b912 standard download, astm b912 specifications download, spec. Basis materials shall be free of clearly visible defects, and if necessary, shall undergo preparatory cleaning procedures prior to electropolishing. Astm e15917 standard test method for loss of mass in a reducing gas atmosphere for cobalt, copper, tungsten, and iron powders hydrogen loss standard by astm international, 04012017. Astm b912, standard specification for passivation of. Electropolishing is a common process to obtain a smooth surface, free of contaminants and more. Astm b912 00 passivation of stainless steels using. Passivation alone will not remove heavy adherent oxide films created from heat treatment, welding, hotforming and other hightemperature operations.
The pickling solution, made from a hydrofluoric acid mixture, was used for dissolving embedded steel flecks and removing the heat tint and oxide scale. Purchase your copy of astm b912 022018 as a pdf download or hard copy directly from the official bsi shop. If a preferred source is not listed, approval can be requested by contacting spacex supplier quality. In the past, stainless steel passivation was typically preceded by a precleaning process known as pickling. Active standard astm b912 developed by subcommittee. Astm b912 standard specification for passivation of stainless steels using electropolishing active, most current. Asmeiti risk analysis 2010 a risk analysis standard for natural and manmade hazards to higher education institutions. Vat monitor standard webprint printed and bound get online access. Standard specification for chemical passivation treatments for stainless steel parts. The quality of passivation will depend on the type of stainless steel, the formulation of the electropolishing solution, and the conditions of operation. Electropolishing is an efficient method of deburring even in parts that would be difficult to treat mechanically.
Free iron on the surface of the stainless steel is removed resulting in improved corrosion resistance. To acquire the current version of the standards with print and download options, follow the hyperlink to the current version. For annual book of astm standards volume information, refer to the standards document summary page on the astm website. Electropolishing electropolishing,alsoknownaselectrochemicalpolishing or electrolytic polishing especially in the metallography. Astm b76117 standard test method for particle size distribution of metal powders and related compounds by xray monitoring of gravity sedimentation. Poligrat, munich d electropolishing removes metal from a workpiece by passing an electric current while the workpiece is submerged in an electrolyte of a specific composition. Electropolishing will also remove heat tint and oxide scale. Free iron on the surface of the stainless steel is removed resulting. Astm b912 02 standard specification for passivation of.
This specification covers the passivation by electropolishing of stainless steel alloys in the 200, 300, and 400 series, as well as precipitationhardened alloys. Postcoating procedures such as post dip and final rinsing shall be performed as well. Asmeiti risk analysis 2010 a risk analysis standard for. Surface smoothing obtained by electropolishing will also improve corrosion resistance. Astm b912022008e1 standard specification for passivation of stainless steels using electropolishing model. Astm a380a380m 17 standard practice for cleaning, descaling, and passivation of stainless steel parts, equipment, and. Astm b912 00 passivation of stainless steels using electropolishing. Astm b912 standard specification for passivation of. Astm b912022008e1, standard specification for passivation of stainless steels using electropolishing, astm international, west conshohocken, pa, 2008. This practice covers the standard recommendations and precautions for cleaning, descaling, and passivating of new stainless steel parts, assemblies, equipment, and installed systems.
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