Standard No.:	GB/T 2970-2004
English Name:	Thicker Steel Plates - Method for Ultrasonic Inspection
Chinese Name:	厚钢板超声波检验方法
Chinese Classification:	H26    Metal nondestructive testing method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.20 77.040.20    Non-destructive testing of metals 77.040.20
Issued by:	AQSIQ, SAC
Issued on:	2004-05-09
Implemented on:	2004-10-1
Status:	superseded
Superseded by:	GB/T 2970-2016 Method for ultrasonic testing of thicker steel plates
Superseded on:	2016-9-1
Abolished on:	2016-09-01
Superseding:	GB/T 2970-1991 Thicker steel plate―Method for ultrasonic inspection
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	334.0
Delivery:	via email in 1 business day

This standard specifies the contents for testing thicker steel plate-ultrasonic inspection: the contrast samples, inspection instrument, equipments condition for surveys and method, defect measurement and evaluation, steel plate quality grade as well as survey report. This standard is applicable to ultrasonic inspection for all kinds of steel plate’s usage, furnace no thicker than 6 mm, pressure vessel, bridge, construction, shipbuilding, steel structure, pipeline and mould, etc.

*GB/T 8651-2015 Flaw detection method by the ultrasonic plate wave for metal plates
*GB/T 12604.1-2020 Non-destructive testing—Terminology—Ultrasonic testing
*JB/T 10061-1999 Commonly used specification for A-mode ultrasonic flaw detector using pulse echo technique
*JB 4730-1994 Nondestructive Testing of Pressure Vessels