SY/T 4112-2017
Fully automatic ultrasonic testing test block for butt girth welds of oil and gas steel pipelines (English Version)

Standard No.

SY/T 4112-2017

Language

Chinese, Available in English version

Release Date

2017

Published By

国家能源局

Latest

SY/T 4112-2017

Replace

SY/T 4112-2007

SY/T 4112-2017 history

• 2017 SY/T 4112-2017 Fully automatic ultrasonic testing test block for butt girth welds of oil and gas steel pipelines
• 2007 SY/T 4112-2007 Mechanized ultrasonic examination block of girth butt welds in oil and gas steel pipeline