ASTM F1941

ELECTRODEPOSITED COATINGS ON THREADED FASTENERS (UNIFIED INCH SCREW THREADS (UN/UNR))

English 2010
0.000
ASTM
Detailed Information

This specification covers application, performance and dimensional requirements for electrodeposited coatings on threaded fasteners with unified inch screw threads. It specifies coating thickness, supplementary hexavalent chromate or non-hexavalent passivate finishes, corrosion resistance, precautions for managing the risk of hydrogen embrittlement and hydrogen embrittlement relief for high-strength and surface-hardened fasteners. It also highlights the differences between barrel and rack plating and makes recommendations as to the applicability of each process.

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