ASTM B Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel. Buy ASTM B SPECIFICATION FOR ELECTRODEPOSITED COATINGS OF ZINC ON IRON AND STEEL from SAI Global. ASTM B Type II and III zinc chromate plating Q&A’s. In my opinion a Mil-C- [link is to free spec at Defense Logistics Agency, ] plating.
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Hello Claudio and Doug, My compliments for an excellent round of questions! When 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.
Last previous edition approved in as B — 98e1.
Test Method B provides a default plan if one is not speci? It does not cover electrodeposited zinccoated steel wire or sheets see Speci? The type of passivation is determined according to the required characteristics, and is divided into groups:.
Ray Kremer Stellar Solutions, Inc. III is colorless and not expected to hold up as long as the colored II. No it does not imply that. All information presented is for general reference and does not represent a professional opinion nor the policy of an author’s employer.
Zinc Plating: ASTM B Type II vs. III
Sorry, but if you need one particular look, you must go through the ugly process of maintaining sample boards with acceptable vs. NOTE 5—Thickness methods that rely on the purity of the zinc deposit g633 not be sufficiently accurate when evaluating coatings produced from non-cyanide zinc solutions.
It would be “bright, blue” — that is, shiny and metallic but with a bluish rather than a yellowish cast.
It still will have Hex Chrome. I’m not a zinc plater, but ‘Type II Clear’ seems self-contradictory. I am not getting the difference between this.
He passed away May 14, I need to specify platings that do not contain Hexavalent Chromium for parts that will be used in the automotive industry. Electroplated springs and other parts subject to?
Zinc coating with colorless RoHS compliance passivation. 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. Go to main content. To minimize your searching efforts and to offer multiple viewpoints, we’ve combined some threads into the dialog you’re viewing.
What type of zinc plating bath is your plater using? No, other colors may not be available if my presumption is right. The purchaser retains the right to perform any of the inspections and tests set forth in this speci? Olive Drab chromate is hrs.
ASTM B-633 Type II vs. III zinc plating
The type of passivation is determined according to the required characteristics, and is divided into groups: As the USA moved toward metric fasteners, for a while there was a move to dye them blue. The Standard default is gold for type II coatings unless otherwise specified. Could you explain this? This standard has been approved for use by agencies of the Department of Defense.
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. Answer is based upon pre versions of B, A superscript epsilon e indicates an editorial change since the last revision or reapproval.