Standard No.:	JB/T 4009-1999
English Name:	Recommended practice for ultrasonic pulse-echo straight-beam testing by the contact method
Chinese Name:	接触式超声纵波直射探伤方法
Chinese Classification:	H26    Metal nondestructive testing method
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	National Technical Committee on Standardization of Non-destructive Testing
Issued on:	1999-06-28
Implemented on:	2000-1-1
Status:	superseded
Superseded by:	JB/T 4009-2020 Non-destructive testing-test method for ultrasonic testing and evaluation of discontinuities by contact pulse-echo longitudeinal waves
Superseded on:	2021-1-1
Superseding:	JB 4009-1985
Target Language:	English
File Format:	PDF
Word Count:	3500 words
Translation Price(USD):	100.0
Delivery:	via email in 1~3 business day

JB/T 4009-1999 本标准非等效采用 ASTM E114-96《接触式直射声束超声脉冲回波检测方法》。 本标准是对 JB 4009-85《接触式超声纵波直射探伤方法》的修订。 本标准规定了以超声探头与被检物直接接触的方式进行纵波直射探伤时应遵守的一般规则。 本标准于 年 月 日首次发布。