Standard No.:	GB/T 17897-1999
English Name:	Test of pitting corrosion resistance of stainless steels in the ferric chloride solution
Chinese Name:	不锈钢三氯化铁点腐蚀试验方法
Chinese Classification:	H25    Metal chemical property test method
Professional Classification:	GB    National Standard
Issued by:	CSBTS
Issued on:	1999-01-01
Implemented on:	2000-8-1
Status:	superseded
Superseded by:	GB/T 18590-2001 Corrosion of metals and alloys - Evaluation of pitting corrosion GB/T 17897-2016 Corrosion of metals and alloys―Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
Superseded on:	2016-11-1
Superseding:	GB 4334.7-1984 不锈钢 三氯化铁腐蚀试验方法
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	195.00
Delivery:	via email in 1~3 business day

本标准规定了不锈钢三氯化铁点腐蚀试验方法的试样的制备、试验溶液、试验仪器和设备、试验条件和步骤、试验结果和试验报告。本标准适用于评价不锈钢在6%三氯化铁溶液中的耐点蚀性能。注：本试验方法所用的试验溶液，氧化性强，酸性强，氯离子含量较高，因此腐蚀性强。当材料在试验溶液中发生金属间化合物的溶解或有析出物时，往往会加速腐蚀。特别是合金素钛往往会加剧腐蚀。因此，用本试验方法来比较不同材料的耐点蚀性能，或者把实验数据与实际环境进行比较时，要注意本试验溶液的特性。