GB/T 25149-2010
Test method for the quality of carbon steel passivation film in chemical cleaning of industrial equipment red dot method (English Version)

Standard No.

GB/T 25149-2010

Language

Chinese, Available in English version

Release Date

2011

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 25149-2010

Scope

This standard specifies the test conditions, test methods and test procedures for the quality of passive film in the chemical cleaning of carbon steel pipe fittings and equipment. This standard applies to carbon steel pipe fittings. Passive film quality test in equipment chemical cleaning.

GB/T 25149-2010 Referenced Document

• GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 25149-2010 history

• 2011 GB/T 25149-2010 Test method for the quality of carbon steel passivation film in chemical cleaning of industrial equipment red dot method