Standard No.:	GB/T 10567.2-1997
English Name:	Wrought copper and copper alloys-Detection of residual stress-Ammonia test
Chinese Name:	铜及铜合金加工材残余应力检验方法 氨熏试验法
Chinese Classification:	H13    Heavy metals and their alloys analysis method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.30 77.040.30    Chemical analysis of metals 77.040.30
Issued by:	STSB
Issued on:	1997-01-02
Implemented on:	1998-8-1
Status:	superseded
Superseded by:	GB/T 10567.2-2007 Wrought copper and copper alloys—Detection of residual stress—Ammonia test
Superseded on:	2008-4-1
Abolished on:	2008-04-01
Superseding:	GB 10567-1989 Test method for residual stress of brass wire and bar by ammonia fumigation
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	264.00
Delivery:	via email in 1~3 business day

本标准规定了采用氨气检测铜及铜合金加工材中外加或残余应力的试验方法，这两种应力均可导致该材料在使用或储存中因应力腐蚀而损坏。该方法也可使用于组装件和零部件(有限尺寸)的试验。实施该方法相当简单，并且能通过改变产生氨气氛的溶液的pH值来严格控制。试验之恰当的pH值应在产品标准中规定或根据合金及其使用环境来决定。对于热交换器用黄铜冷凝管而言，建议采用最高的pH值的溶液进行试验。