Standard No.:	JB/T 9744-1999
English Name:	Internal combustion engines. Magnetic-particle inspection for parts and components
Chinese Name:	内燃机零、部件 磁粉探伤方法
Chinese Classification:	J90    Piston type internal combustion engine and other power equipment in general
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	National Technical Committee on Internal Combustion Engine Standardization
Issued on:	1999-09-17
Implemented on:	2000-1-1
Status:	abolished
Superseded by:	JB/T 9744-2010 Internal combustion engines - Magnetic particle inspection for parts and commponents
Superseded on:	2010-7-1
Abolished on:	2010-07-01
Superseding:	NJ 320-1984
Language:	English
File Format:	PDF
Word Count:	6500 words
Price(USD):	410.0
Delivery:	via email in 1~3 business day

JB/T 9744-1999 本标准是对 NJ 320-84《内燃机零、部件磁粉探伤方法》的修订。修订时仅按有关规定作了编辑性修改，技术内容没有改变。 本标准规定了内燃机零、部件磁粉探伤方法的名词术语，探伤设备，零件表面的要求，磁化条件，磁化方法，磁化规范，零件磁化时的注意事项，检验方法，对磁粉和磁悬液的要求和退磁。 本标准适用于钢铁磁性材料制品、半成品和原材料表面及近表面缺陷的检验，并作为制定磁粉探伤操作规程的依据。 本标准于 1984 年首次发布。