GB/T 24300-2025 Active National standards

GB/T 24300-2025 Test method for flaws in Cu-W electrical contacts

GB/T 24300-2025 Test method for flaws in Cu-W electrical contacts

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 24300-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical alloy parts

ICS Name: Other electrical devices

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 12 pages

Scope

This document describes the methods of detecting cracks, holes, and local looseness in copper-tungsten electrical contacts, as well as interface cracks and inclusions, copper end cracks, and gas pores in copper-tungsten integral electrical contacts using penetration testing.
This document is applicable to the detection of open defects in copper-tungsten electrical contacts and copper-tungsten integral electrical contacts, but it is not applicable to the detection of closed defects in copper-tungsten electrical contacts and copper-tungsten integral electrical contacts.

Development Information

Word Count: 13 Thousand words Pages: 12 pages

Replace the following standards

GB/T 24300-2009 Test method of flaws of Cu-W contact

Referenced Standards

GB/T 18851.2-2005 Non-destructive testing—Penetrant testing—Part 2:Testing of penetrant materials GB/T 18851.2-2008 Non-destructive testing—Penetrant testing—Part 2:Testing of penetrant materials GB/T 18851.2-2024 Non-destructive testing—Penetrant testing—Part 2:Testing of penetrang materials GB/T 18851.3-2008 Non-destructive testing—Penetrant testing—Part 3:Reference test blocks

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