NB/T 47013.7-2012
Nondestructive testing of pressure equipments. Part 7:Visual examination (English Version)

Standard No.

NB/T 47013.7-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Energy

Latest

NB/T 47013.7-2012

Scope

This part of NB/T 47013 specifies the vis al inspection method for pressure equipment. This section applies to vis al inspection of pressure-bearing equipment in production and in use. For vis al inspection of supports and structural parts related to pressure-bearing equipment, this section can also be referred to. This section does not apply to vis al observation activities in other non-destructive testing methods.

NB/T 47013.7-2012 Referenced Document

• GB 11533 Standard for logarithmic visual acuity charts
• GB/T 20737 Non-destructive testing-General terms and definitions
• GB/T 20968 Non-destructive testing.Aids to visual inspection.Selection of low-power magnifiers
• JB/T 4730.1 Nondestructive testing of pressure equipments

NB/T 47013.7-2012 history

• 2012 NB/T 47013.7-2012 Nondestructive testing of pressure equipments. Part 7:Visual examination