Black oxide coatings on iron or steel - requirements and test methods 铁和钢的黑色氧化涂层.要求和试验方法
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Chemical conversion coatings - black oxide coating on iron and steel - specification and test methods 化学转化膜钢铁黑色氧化膜规范和试验方法
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Chemical conversion coatings - black oxide coating on iron and steel - specification and test methods 化学转化膜.铁和钢上的黑色氧化膜.规范和试验方法
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Results indicated that wear resistance and corrosion resistance of black tin coating were higher than that of black oxide film or phosphatizing films 结果表明,其耐磨损、耐腐蚀性能均高于氧化和磷化黑色膜层。