Standard No.:	GB/T 13789-1992
English Name:	Magnetic sheet and strip－Methods of measurement of magnetic properties by means of a single sheet tester
Chinese Name:	单片电工钢片(带)磁性能测量方法
Chinese Classification:	H21    Metal physical property test method
Professional Classification:	GB    National Standard
ICS Classification:	29.040.10 29.040.10    Insulating oils 29.040.10
Issued by:	CSBTS
Issued on:	1992-01-01
Implemented on:	1993-6-1
Status:	abolished
Superseded by:	GB/T 13789-2008 Methods of measurement of the magnetic properties of magnetic sheet and strip by means of a single sheet tester
Superseded on:	2009-5-1
Abolished on:	2009-05-01
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

本标准规定了用单片磁导计测量电工钢片(带)的比总损耗、比视在功率和交流磁化曲线的方法。本标准规定电工钢片(带)的交流磁性能参数都是在磁通波形正弦条件下测得的，适用的磁极化强度范围为：冷轧取向电工钢片(带)1.0～1.8T，冷轧无取向和热轧电工钢片0.8～1.5T，如果磁通正弦条件得到保证此范围可相应展宽。本标准规定测量时环境温度为23±5℃，相对湿度小于80%。本标准适用于冷轧取向、无取向和热轧电工钢片(带)的交流磁性能测量，频率范围为45～65Hz。本标准和GB3655规定的测量方法得到等同的测量结果。在两种测量方法并行的期间，两种测量方法得到的测量结果具有同等的效力。