ASTM B633-11 PDF

He is asking for more info on the difference between ASTM B [link by ed. to spec at TechStreet] type II and type III. Can anyone give me some direction on. ASTM B Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel. This specification covers requirements for electrodeposited. ASTM B Thickness classes for coatings: KEY: Classification #, Service condition, Thickness Fe/Zn 25, SC4 (very severe), 25um or ″ Fe/Zn 12, SC3.

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Please first log in with a verified email before subscribing to alerts. Responsibility for Inspection S1.

It’s not possible to diagnose asym finishing problem or the hazards of an operation via these pages. As the USA moved toward metric fasteners, for a while there was a move to dye them blue. You can get the same finish only for blue awtm black hex chrome with tri substitutes, but not for yellow or olive as of yet. Different brands of chromate conversion chemistry, possibly different plating processes acid zinc vs.

Certain castings are difficult, if not impossible, to plate in either cyanide or alkaline non-cyanide plating baths. This applies to all metals. Until a very few years ago chromate conversion coatings were based on hexavalent chromium, and deposited a thick film that was relatively easy to dye.

Corrosion Resistance Requirements Types. August 31, A. b363-11

ASTM B – 11 Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel

To secure uniformity of results, h633-11 Qpes of be cut from scrap castings when Semus alloy castings are being electroplated. How do you know if it is supposed to be Zinc Yellow or Zinc Clear? To minimize your searching efforts and to offer multiple viewpoints, we’ve combined some threads into the dialog you’re viewing. If you feel that your comments have not received a far hearing you should make your views known to b633-11 ASTM Committee on Standards, at the address shown below.

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Answer is based upon pre versions of B, If these heat treatments are not required, the purchaser shall spcciljr in their exception 5 2 5.

Zinc Plating: ASTM B Type II vs. III

If the document is revised or amended, you will be notified by email. With Clwses Fern and Ffl,nl3. It is the responsibility of the b63-311 of this standard to establish appropriate safety and health practices and zstm the applicability of regulatory limitations prior to use. It is recommended that the following. Does plating make that big a difference knowing that it’s going to be painted also? Proceed to Checkout Continue Shopping.

Some of today’s proprietary trivalent chromium coatings are very thin and consequently will not generate a highly saturated b633–11 though. Tlle following data, based on worldwide testing, can be used to coinpare the behavior of electrodeposited coatings of zinc in various atmospheres. Does anybody know this info?

Raked park shall not crack or fail by fracture when tested in accord;mce with The sampling plan used for the inspection of the qualily coated article shall be agreed upon betweet1 the purchaser and producer. A heavy chromate will shear under paint and cause the paint to peel. Your comments b633-111 invited either for revislon of this standard or for additional standards and should be addressed to ASTM International Headquarters.

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ASTM B-633 Type II vs. III zinc plating

The salt spray test operations, prelimirlary to electroplaling, and shall not be shall commence within 72 11 of the completion of the aging separated therefrom until after completion of electroplating.

Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor serviceBastm. You may delete a document from your Alert Profile at any time. The part is currently being produced in China and my local platers are suggesting a asttm to get a blue color.

Don Penzenik – Elkhart, Indiana. A light yellow would be better than a clear. Tesl Method 13 provides a default plan if one is no1 specified.

Hi, I recently received 2 batches of parts from two separate platers using this specification. Rest in peace, Ken. The values are only relative, since individual studies in various parts of the world have resulted in figures which vary asttm from these averages. The appearance of corrosion products when examined with eyesight at normal reading distance shall be cause for rejection, except that white corrosion products 6 mm or less from the edges of specimens shall not constitute failure.

It does not cover clectrodepositecl zinccoattxl skel wire or sheets sce Specificalivn A lA 5OlM for sheets. We have no amendments or corrections for this standard. Regards, Ted Mooney, P. To determine the nature of accuracy or revision level please verify above data with current releases: