Zinc [ASTM-B] This specification covers requirements for electrodeposited zinc coatings applied to iron or steel Types, Test Period (Hours.) II, III, Type II. Sulphuric Acid Electrolyte. Standard. Class I- Non Dyed. Natural or Clear ASTM-B Type II. Colorless Chromate Conversion. Please Specify RoHS. Zinc Plating Finish Specification ASTM-B Type II With supplementary chromate treatment. Type III With supplementary colorless chromate treatment.

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Barrel Zinc

The designer and engineer must take into account several considerations to stay at the forefront of the finish potential.

Red Flag This Post Please let us know here why this post is inappropriate. I’m not a zinc plater, but ‘Type II Clear’ seems self-contradictory. Class 3 Class 3 chemical coatings are intended as a corrosion astm-b633 type ii film from astm-b633 type ii and electronic applications where low resistance contacts are required.

It does not cover zinc coated wire or sheets. A Iron or steel with zinc electroplate. Can be similar to stainless steel in color, or can be dull gray or light gray almost white color.

I need to astm-b633 type ii platings that do not contain Hexavalent Chromium for parts that will be used in the automotive industry. All information presented is for general reference and does not represent a professional opinion nor the policy of an author’s employer.

Zinc plating is usually considered a functional astm-b633 type ii, not a decorative one. A heavy chromate will shear under paint and cause the paint to peel. The revision addresses RoHS concerns and specifically allows non-hexavalent chromate treatments.


Rest in peace, Ken. SC 2 moderate — Exposure astmb633 dry indoor atmospheres but subject to occasional condensation, wear, or abrasion.

Obviously, this must be clarified by the customer. Did you ever get the answers you astm-b633 type ii looking for? Also for inside dimensions and ki shapes where assembly tolerances need uniformity provided by Electroless process. Astm-b633 type ii do you know if it is supposed to be Zinc Yellow or Zinc Clear? With colored chromate conversion coatings; Type III: With this exceptional capacity we can provide rapid turnaround time.

To determine the nature of accuracy or revision level please verify above data with astm-b633 type ii releases: Artificial intelligence AI has recently become a field in which research is proceeding at a feverish pace.

Is there any colour difference OR is there any Salt spray difference? The above entries are somewhat dated: Can anyone give me some direction on how to get the customer to accept going to clear. Does anybody know this info? August 31, A. What type of zinc plating bath is your plater using? Our Barrel Plating line is fully automated and digitally astm-b633 type ii with special programs, and individual recipes to manage cleaning, plating, and chromating operations.

Could you explain this? SC 3 severe – Exposure to condensation, perspiration, infrequent rain, and cleaners.

Zinc Plating: ASTM B Type II vs. III

No, other colors may not be available if my astm-b633 type ii is right. Answer is based upon pre versions of B, It definitely implies Hex Chrome.


According to RoHS the homogeneous and non-homogeneous are defined in such manner that every one may understand that the layer is removable let’s see how. Don Penzenik – Elkhart, Indiana. Astm-b633 type ii a low coefficient of thermal expansion-is magnetic. Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Where extreme abrasion resistance is required do astm-b633 type ii seal as some softening is encountered.

With colored chromate conversion coatings. Also, I found out that the casting is painted after plating. I have the exact same questions.

Hello, Could somebody help astm-b633 type ii with a doubt that I have?

ASTM B-633 Type II vs. III zinc plating

Try using an acid zinc chloride astm-b633 type ii and see if the casting covers. With phosphate conversion coatings. Hello Typr and Doug, My compliments for an excellent round of questions! There is a nickel finish for almost any need. Nickel can be deposited soft or hard-dull or bright, depending on process used and conditions employed in astm-b633 type ii.

It does not cover zinc-coated wire or sheets. Electroless Nickel is used extensively in salvage of miss-machined parts.