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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If you feel that your v633-11 have not received a far hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. Already Subscribed to this document. What type of zinc plating bath is your plater using?
ASTM B-633 Type II vs. III zinc plating
The designer and engineer must take into account several considerations to stay at the forefront of the finish potential. It would be “bright, blue” — that is, shiny and metallic but with a bluish rather than a yellowish cast. The b6333-11 specimens shall be ol’ a basis metal equivalent to that of the articles represented. All I need to know is what color the types are.
No, other colors may not be available if my presumption is right. To secure uniformity of results, age Qpes of be cut from scrap castings when Semus alloy castings are being electroplated. A Iron or steel with zinc electroplate. Raked park shall not crack or fail by fracture when tested in accord;mce with H1 ; aatm used, rernove the supplementary treatment prior to testing. Corrosion Resistance Requirements Types.
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. It is recommended that the following. For corrosion resistance requirements, see ‘l;il lt: 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. Your Alert Profile lists the documents that will be monitored.
The part is currently being produced in China and my local platers are suggesting a dye to get a blue color. You can download and open this file to your b63-311 computer but DRM prevents opening this file on another computer, including a networked server.
August 31, A. Standards Subsctiption may be the perfect solution. When Test Metllods 1 I am not getting the difference between this.
ASTM B and all other worldwide standards were written around the time when no one spoke about trivalent. This guide provides for two plans: Except as otherwise spaififii in the contract or order, the supplier may use his own or any other facilities suitable for thc performance of the inspection requirements specified herein, unless disapproved by the purchaser.
Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. Rcfcrcnccd 1 ocuments 2. I have the exact same questions. Zinc plating is usually considered a functional coating, not b63311 decorative one. Also, some yellow chromates are clear w. As a result of large-scale and long-range tests conducted by ASTM and other organizations, tllere b63-11 excellent information on the corrosion behavior of zinc arid zinc coatings.
Add to Alert PDF. The answer is Yes.
Zinc Plating: ASTM B Type II vs. III
We have no amendments or corrections for this standard. No it does not imply that. As the voice of the U. Mark Hollenbeck alloys – Muskegon, Michigan A.