GB/T 7704-1987
Replaced
GB/T 39242-2020
Active
National standards
GB/T 39242-2020 Non-destructive testing—Ultrasonic testing—Sensitivity and range setting
GB/T 39242-2020 Non-destructive testing—Ultrasonic testing—Sensitivity and range setting
Basic Information
Standard Code:
GB/T 39242-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
Non-destructive testing
Publish Date:
2020-11-19
Implement Date:
2021-06-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国无损检测标准化技术委员会(SAC/TC 56)
Pages:
37 pages
Scope
本标准规定了使用A扫描超声检测仪进行手工检测时，设定时基线范围和灵敏度（如增益调节）的总则，目的在于确保反射体位置和回波高度可重复测量。
本标准适用于单晶或双晶单探头接触技术，不适用于液浸技术和多探头技术。
Development Information
Drafting Units:
上海材料研究所、国网浙江省电力有限公司电力科学研究院、山东瑞祥模具有限公司、上海航天精密机械所、上海金艺检测技术有限公司、中广核工程有限公司、烟台中集来福士海洋工程有限公司、江苏方天电力技术有限公司、常州超声电子有限公司
Drafting Persons:
张义凤、蒋建生、丁杰、马君、张杰、罗宏建、魏忠瑞、马建民、王飞、于宝虹、罗云东、朱从斌、金磊、刘叙笔、肖潇
Referenced Standards
EN 12668-3
GB/T 19799.1-2005 Non-destructive testing—Ultrasonic testing—Calibration block No.1
GB/T 19799.1-2015 Non-destructive testing—Ultrasonic testing—Specification for calibration block No.1
GB/T 19799.2-2005 Non-destructive testing—Ultrasonic testing—Calibration block No.2
GB/T 19799.2-2012 Non-destructive testing—Ultrasonic testing—Specification for calibration block No.2
GB/T 19799.2-2024 Non-destructive testing—Ultrasonic testing block—Part 2:Calibration block No.2
Adopt standards
ISO 16811:2012
Related Standards
GB/T 11343-1989
Replaced
GB/T 11343-1989 Ultrasonic angle beam examination by the contact method
GB/T 11344-1989
Replaced
GB/T 11344-1989 Measuring thickness by ultrasonic pulse-echo contact method
GB/T 2611-1992
Replaced
GB/T 2611-1992 General requirements for testing machines
GB/T 15823-1995
Replaced
GB/T 15823-1995 Examination for helium leak detecting
GB/T 12604.9-1996
Replaced