Standard No.:	JB/T 9630.1-1999
English Name:	Magnetic particle testing and quality classification methods of steel castings for steam turbines
Chinese Name:	汽轮机铸钢件 磁粉探伤及质量分级方法
Chinese Classification:	K54    Steam turbine and its auxiliary equipment
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	State Bureau of Machine Building Industry
Issued on:	1999-8-6
Implemented on:	2000-1-1
Status:	superseded
Superseded by:	JB/T 9630.1-2024 Nondestructive testing of steel castings for steam turbinesPart 1 : Magnetic particle testing
Superseded on:	2024-10-1
Superseding:	ZB K 54004-1987 ZB K 54004-1987
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

JB/T 9630.1-1999 本标准是对 ZB K54 004-87《汽轮机铸钢件 磁粉探伤及质量分级方法》的修订。 本标准规定了铸钢件的磁粉探伤及对缺陷进行分级的方法。 本标准适用于汽轮机用主要铸钢件的表面及近表面缺陷的检验和质量等级的评定。 采用本标准时，必须提供铸钢件的磁粉探伤图，图中应注明要求探伤的部位和相应的质量等级。 本标准于 1988 年 3 月 21 日首次发布。