ASTM F 1941M - 05 Standard Specification for Electrodeposited Coatings on Threaded Fasteners [Metric]

American Society for Testing and Materials (ASTM). Current edition approved May 1, 2005. Published May 2005. Originally approved in 2000. Last previous edition approved in 2000 as F 1941M – 00. 11 p. This specification covers application, performance and dimensional requirements for electrodeposited coatings on threaded fasteners with metric screw threads. It specifies coating thickness, supplementary chromate finishes, corrosion resistance, precautions for managing the risk of hydrogen embrittlement and hydrogen embrittlement relief for highstrength and surface-hardened fasteners. It also highlights the differences between barrel and rack plating and makes recommendations as to the applicability of each process.