Standard No.:	JB/T 9743-1999
English Name:	Internal combustion engines -- Magnetic particle testing specifications for connecting rod bolts
Chinese Name:	内燃机 连杆螺栓 磁粉探伤技术条件
Chinese Classification:	J92    Engine body and moving parts
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Status:	superseded
Superseded by:	JB/T 7293.4-2010 Internal combustion engines - Bolts and nuts - Part 4: Connecting rod bolts - Magnetic particle testing
Superseded on:	2010-7-1
Abolished on:	2010-07-01
Superseding:	NJ 310-1983
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	220.00
Delivery:	via email in 1~3 business day

JB/T 9743-1999 本标准是对 NJ 310-83《内燃机连杆螺栓 磁粉探伤技术条件》的修订，在评定方法中，对淬火裂纹、锻造裂纹、发纹提出不同要求。 本标准规定了内燃机连杆螺栓磁粉探伤的技术要求、检验方法及评定方法。 本标准适用于气缸直径小于或等于 200mm 的往复式内燃机铁磁性材料螺栓表面及其近表面缺陷的检验。 本标准于 年 月 日首次发布。