Buy ASTM B SPECIFICATION FOR ELECTRODEPOSITED COATINGS OF ZINC ON IRON AND STEEL from SAI Global. ASTM B Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel CONTAINED IN VOL. , Provides requirements for. ASTM B Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel. This specification covers requirements for electrodeposited.

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The adtm of passivation is determined according to the required characteristics, and is divided into groups:. It is the responsibility of the user of asttm standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

It does not cover zinc-coated wire or sheets. Subject the selected samples to the salt spray test; the length of time to be applicable for the type of supplementary coating shall be in accordance with the requirements of 7.

NOTE 5—Thickness methods that rely on the purity of the zinc deposit may not be sufficiently accurate when evaluating coatings produced from non-cyanide zinc solutions.

Zinc coating with phosphate passivation. The Zinc coating provides a smooth look as well as good anti-corrosive protection. You may delete a document from your Alert Profile at any time. Conditions affecting the electroplating of specimens, including the spacing, plating media, bath agitation, temperature, etc. Add to Alert PDF.

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Last previous edition approved in as B — 98e1. SC 4 very severe. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm.

Colorful chromate passivation gives corrosion resistance ability of 96 hours according to ASTM B until white spots-intended to parts used in a high corrosive environment —outdoor.

The exterior visual determined according to last layer. Responsibility for Inspection S1. When Test Methods BBor B are used, remove the supplementary treatment prior to testing. 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.

ASTM B – Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel

The sampling plan used for the inspection of the quality coated article shall be agreed upon between the purchaser and producer. 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. Please first log in with a verified email before subscribing to alerts.

Corrosion Resistance Requirements Types. To minimize problems of this sort, the speci?

Therefore, it is recommended that supplementary treatments not be applied to zinc coatings having a nominal thickness less than 5? Available colors are iridescent and black Colorless chromate passivation gives corrosion resistance ability of 12 hours according to ASTM B until white spots-intended to parts used in a light corrosive environment —indoor.

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Zinc Coating

It does not cover electrodeposited zinccoated steel wire or sheets see Speci? The separate specimens may also be cut from scrap castings when ferrous alloy castings are satm electroplated. Baked parts shall not crack or fail by fracture when tested in accordance with Unless a need can be demonstrated, separately prepared specimens shall not be used in place of production items for nondestructive and visual examinations.

Additional types have been added to permit non-chromate passivate treatments to be used in replacement qstm hexavalent chromium. Adtm such areas are designated, and thus made subject to minimum thickness requirements, the purchaser and the manufacturer shall recognize the necessity for either thicker deposits on other areas or for special racking.

We have no amendments or corrections for this standard. Iridescent and Colorless passivation is thin and has low electrical resistance. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every? Test Method B provides a default plan if one is not speci?