Standard No.:	GB/T 9444-1988
English Name:	The methods for magnetic particle testing and for specifying quality levels of steel castings
Chinese Name:	铸钢件磁粉探伤及质量评级方法
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	77.040.20 77.040.20    Non-destructive testing of metals 77.040.20
Issued by:	China State Bureau of Standards
Issued on:	1988-06-25
Implemented on:	1989-3-1
Status:	superseded
Superseded by:	GB/T 9444-2007 Magnetic particle testing for steel castings
Superseded on:	2008-1-1
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了铸钢件磁粉探伤的一般要求、人员资格、设备器材、探伤方法、质量等级的评定及探伤报告的编写。本标准适用于导磁钢铸件表面及近表面缺陷的检验和质量评级。当磁场强度等于2.4kA/m时，材料中磁感应强度大于1T的铸钢称为导磁钢。