GB/T 33207-2025 Active National standards

GB/T 33207-2025 Non-destructive testing—Test method for the oxide stacking in the non-ferromagnetic metal tube in service by magnetic testing

GB/T 33207-2025 Non-destructive testing—Test method for the oxide stacking in the non-ferromagnetic metal tube in service by magnetic testing

Publish Date: 2025-08-29 Implement Date: 2025-08-29 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 33207-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods

ICS Name: Non-destructive testing

Publish Date: 2025-08-29

Implement Date: 2025-08-29

Pages: 16 pages

Scope

This document describes the principle of magnetic detection, the detection process, and the evaluation of results for the accumulation of ferromagnetic oxides in in-service non-ferromagnetic metal pipes.
This document is applicable to the detection of in-service non-ferromagnetic metal pipes with an outer diameter of 38 mm to 65 mm and a wall thickness of 3.5 mm to 13 mm.

Development Information

Word Count: 19 Thousand words Pages: 16 pages

Replace the following standards

GB/T 33207-2016 Non-destructive testing—Test method for the accumulation of oxide scale in the metal tube in service by magnetic testing

Referenced Standards

GB/T 12604.6-1990 Terminology for nondestructive testing Eddy current testing GB/T 12604.6-2008 Non-destructive testing—Terminology—Terms used in eddy current testing GB/T 12604.6-2021 Non-destructive testing—Terminology—Eddy current testing DL/T 882-2022 DL/T 882-2022 is a set of technical terms and definitions for the metal industry in thermal power plants in China DL/T 882-2004 The terminology of metallic speciality of fossil-fuel power plants

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