JB/T 6439-2008
Methods of magnetic examination for valves (English Version)

Standard No.
JB/T 6439-2008
Language
Chinese, Available in English version
Release Date
2008
Published By
Professional Standard - Machinery
Latest
JB/T 6439-2008
Replace
JB/T 6439-1992
Scope
This standard specifies the general requirements, inspection methods, quality grades and inspection reports for magnetic particle testing of valve pressure cast steel parts. This standard is applicable to the inspection, quality rating and acceptance of surface or near-surface defects of pressure magnetically conductive steel castings of valves (hereinafter referred to as steel castings). Magnetic particle testing of pressure cast steel parts such as flanges and pipe fittings matched with pipelines and non-pressure cast steel parts can also be performed with reference to this standard.

JB/T 6439-2008 Referenced Document

JB/T 6439-2008 history

  • 2008 JB/T 6439-2008 Methods of magnetic examination for valves
  • 1992 JB/T 6439-1992 Magnetic particle inspection of valves subjected to die-casting steel parts
Methods of magnetic examination for valves



Copyright ©2024 All Rights Reserved