This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, storage and transportation of autocatalytic nickel-phosphorus coatings for oil pipes. This standard applies to the coating and acceptance of autocatalytic nickel-phosphorus coatings on oil pipes.
SY/T 6478-2000 history
2017SY/T 6478-2017 Technical conditions for surface coating of oil pipes and casing
2000SY/T 6478-2000 The technical conditions for nickel-phosphorus plating through autocatalylic process of tubings