Standard No.:	GB/T 5776-2005
English Name:	Corrosion of metals and alloys-Guidelines for exposing and evaluating metals and alloys in surface sea water
Chinese Name:	金属和合金的腐蚀 金属和合金在表层海水中暴露和评定的导则
Chinese Classification:	H25    Metal chemical property test method
Professional Classification:	GB    National Standard
Issued by:	China Iron and Steel Association
Issued on:	2005-05-13
Implemented on:	2005-10-1
Status:	superseded
Superseded by:	GB/T 5776-2023 Corrosion of metals and alloys―Guidelines for exposing and evaluating metals and alloys in surface sea water
Superseded on:	2024-3-1
Superseding:	GB 5776-1986 金属材料在表面海水中常规暴露腐蚀试验方法
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了金属和合金在表层海水中暴露所遵循的条件和方法，以便对不同地点的暴露做有意义的比较。本标准适用的暴露范围从水平面以上潮湿的重要区带（飞溅区和潮汐区）到水平面以下与表面海水组成相近的深度。本标准规定了海水对金属和合金腐蚀的评定方法。由于海水的可变性和复杂性，为减小可变因素的影响，暴露时间应在一年以上。