SY/T 6858.4-2012
Nondestructive testing method for OCTG.Part 4:Ultrasonic inspection for drill pipe weld seams (English Version)

Standard No.

SY/T 6858.4-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Petroleum

Latest

SY/T 6858.4-2012

Replace

SY/T 5446-1992

Scope

This part of SY/T 6858 specifies the method for detecting and evaluating drill pipe welding defects using a type A pulse reflection ultrasonic detector. This section is applicable to the ultrasonic testing of friction welded seams and heat-affected zones in drill pipe production, and is also applicable to the testing of welds and heat-affected zones of drill pipes in service or repaired.

SY/T 6858.4-2012 Referenced Document

• GB/T 9445-2008 Non-destructive testing.Qualification and certification of personnel
• JB/T 10061 Commonly used specification for A-mode ultrasonic flaw detector using pulse echo technique
• JB/T 10062 Testing methods for performance of probes used in ultrasonic flaw detection
• JB/T 4730.3-2005 Nondestructive testing of pressure equipments - Part 3: Ultrasonic testing
• JB/T 9214 Non-destructive testing.Test methods for evaluating performance characteristics of A-scan pulse-echo ultrasonic testing systems

SY/T 6858.4-2012 history

• 2012 SY/T 6858.4-2012 Nondestructive testing method for OCTG.Part 4:Ultrasonic inspection for drill pipe weld seams
• 1992 SY/T 5446-1992 Non-destructive testing method for oil well pipes Ultrasonic flaw detection of drill pipe welds

SY/T 6858.4-2012 Nondestructive testing method for OCTG.Part 4:Ultrasonic inspection for drill pipe weld seams has been changed from SY/T 5446-1992 Non-destructive testing method for oil well pipes Ultrasonic flaw detection of drill pipe welds.