Standard No.:	GB/T 4334.1-2000
English Name:	Method of 10 per cent oxalic acid etch test for stainless steels
Chinese Name:	不锈钢10%草酸浸蚀试验方法
Chinese Classification:	H25    Metal chemical property test method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.99 77.040.99    Other methods of testing of metals 77.040.99
Issued by:	CSBTS
Issued on:	2000-10-25
Implemented on:	2001-9-1
Status:	superseded
Superseded by:	GB/T 4334-2008 Corrosion of metals and alloys - Test methods for intergranular corrosion of stainless steels
Superseded on:	2009-5-1
Abolished on:	2009-05-01
Superseding:	GB/T 4334.1-1984 Stainless steels--10 percent oxalic acid etch test
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

本标准规定了不锈钢10%草酸浸蚀试验方法的试样、试验溶液、试验设备、试验条件和步骤、试验结果的平定及试验报告。本标准适用于检验奥氏体不锈钢晶间腐蚀的筛选试验方法，试样在10%草酸溶液中电解侵蚀后，在显微镜下观察被侵蚀表面的金相组织，以判定是否需要进行硫酸硫酸铁、65%硝酸、硝酸-氢氟酸以及硫酸-硫酸铜等长时间热酸试验。在不允许破坏被测结构件和设备的情况下，也可以作为独立的晶间腐蚀检验方法。