ASTM B695 PDF

The mechanical plating process is a process in which fine metal powders are cold welded to metal components without electricity and without heat. The mechanical plating process takes place in a tumbling barrel filled with tumbling media e. Once the plating reaches the desired thickness the parts are then dried and post-plating finishes are applied if required. Uniformity of thickness depends on part size and shape with typically thinner deposits on edges and thicker deposits in recesses. Any metal that can be made into a fine powder can be mechanically plated, however CIP specializes in zinc, tin, and aluminum. Mechanical plating takes place at room temperature and does not induce hydrogen embrittlement of which hardened steels are highly susceptible.

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Scope 1. The coating as deposited shall have a uniform silvery appearance, and a matte to medium-bright luster. Process The Process for applying a zinc coating mechanically involves: prepping the surface of the parts to be coated, by dipping them in a chemical bath, then applying a thin metal coating by immersion in a chemical solution.

Next, the prepped parts go into a tumbler, which includes the parts to be coated, a zinc powder and impact media. The parts are run through the tumbler which uses the impact media to drive the powdered zinc into the part to be coated. From there the coated parts are rinsed and dried and a secondary treatment may or may not be added, ie for Type II Zinc. Classes — Zinc Coatings are classified on the basis of thickness as shown below:.

Appendix X2. Hydrogen Embrittlement X3. Download Full Catalog. ASTM B Table Appendix X1. Documents Download Full Catalog. Don't see your bolt sizes or finishes here? No problem, we will custom manufacture for your project!

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ASTM B695-04

Scope 1. The coating as deposited shall have a uniform silvery appearance, and a matte to medium-bright luster. Process The Process for applying a zinc coating mechanically involves: prepping the surface of the parts to be coated, by dipping them in a chemical bath, then applying a thin metal coating by immersion in a chemical solution. Next, the prepped parts go into a tumbler, which includes the parts to be coated, a zinc powder and impact media. The parts are run through the tumbler which uses the impact media to drive the powdered zinc into the part to be coated. From there the coated parts are rinsed and dried and a secondary treatment may or may not be added, ie for Type II Zinc.

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Mechanical Plating & Galvanizing

Historical Version s - view previous versions of standard. Work Item s - proposed revisions of this standard. More B This specification covers the requirements for zinc coatings that are mechanically deposited on iron or steel basis metals.

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ASTM B695 Fasteners

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