CB/T 3335-2013 "Marine Flame Powder lame plating process" stipulates the basic requirements, operating procedures, necessary equipment, technical requirements for flame powder lame plating repair and pre-protection of marine parts, as well as post-coating processing and removal of masking materials, etc. The standard emphasizes the influence of pre-processing methods of base metal before lame plating on fatigue strength and Impact resistance, and the importance of the choice of coated metal and the matching of coating performance. Coatings should be able to adapt to different working conditions, and sealing treatment should be carried out to enhance its function if necessary. Flame spraying repair suitable for marine parts to ensure the performance and Reliability of repaired parts.