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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Tlle following data, based on worldwide testing, can be used to coinpare the behavior of electrodeposited coatings of zinc in various atmospheres. Packaging and Packing So if you need to color match, you need to do it with a requirement for compliance with sample parts — not a verbal description. Thc size of the sample and the criteria for compliance are determined by the application of statistics.

ASTM B-633 Type II vs. III zinc plating

All I need to know is what color the types are. The separale specimens shall be ol’ a basis metal equivalent to that of the articles represented. H1 ; are used, rernove the supplementary treatment prior to testing. Electroplated springs and other puts subject to flexure sliall not be Ilcxed before the hydrogen embrittlement relief treatment.


Please forgive any resultant repetition or failures of chronological order. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Perhaps some confusion with Service Condition SC 2 moderatewhich indicates a minimum zinc thickness of 8 microns and is commonly clear chromated Type III. Sorry, but if you need one particular look, you must go through the ugly process of maintaining sample boards with acceptable vs.

Corrosion Resistance Requirements Types. Please first log in with a verified email before subscribing to alerts.

II says “colored chromate coatings” meeting 96 hours of salt spray, and III says “colorless chromate conversion coatings” meeting 12 hours of salt spray. Chiginally approved in I’m not a zinc plater, but ‘Type II Clear’ seems self-contradictory.

If the document is revised or amended, you will be notified by email. Tesl Xstm 13 provides a default plan if one is no1 specified.

Zinc Plating: ASTM B Type II vs. III

A superscript epsilon jr indicates an editorial change since the last revision or reapproval. Try using an acid zinc chloride bath and see if the casting covers. Proceed to Checkout Continue Shopping. You can get the same finish only for blue and black hex chrome with tri substitutes, but not for yellow or olive as of yet. A nunlher in parentheses indicates the ycar uf liut reapproval. Your Alert Profile lists the documents that will be monitored. Don Penzenik – Elkhart, Indiana. The designer and engineer must take into account several considerations to stay at the forefront of the finish potential.


Can anyone give me some direction on how to get the customer to accept going to clear.

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

Some of today’s proprietary trivalent chromium coatings are very thin and consequently will not generate a highly saturated color though. From beautiful Pine Beach New Jersey: What process variation would produce these different results? It would be “bright, blue” — that is, shiny and metallic but with a bluish rather than a yellowish cast.

B363-11 to Alert PDF.

It still will have Hex Chrome. The Standard default is gold for type II coatings unless otherwise specified. Mark Hollenbeck alloys – Muskegon, Michigan A. No, other colors may not be available if my presumption is right.

We have no amendments or corrections for this standard. Regarding the question asked in letter ; Type II zinc plating vs. Going with clear will make it difficult to tell what b363-11 clear chromated zinc vs. What do you say?