This part of SN/T 3468 specifies the general procedures and requirements for damage inspection and identification of steel pipes. This section applies to steel pipe damage inspection and identification. Damage to the entrance and exit of pipes made of other metal materials may refer to this standard.
SN/T 3468.3-2014 history
2014SN/T 3468.3-2014 Rules for the damage survey of steel materials.Part 3:Steel tube