YB/T 6240-2024 Active Industry standards-Black metallurgy

YB/T 6240-2024 YB/T 6240-2024 Specification grading chart method for evaluating carbides in hypereutectoid steel

Publish Date: 2024-10-24 Implement Date: 2025-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB/T 6240-2024

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Metallographic examination methods

ICS Name: Other testing methods for metal materials

Publish Date: 2024-10-24

Implement Date: 2025-05-01

Scope

This document specifies the selection and preparation of samples for the evaluation of carbides in eutectoid steels, the evaluation method, standard rating charts, and test reports, etc. This document is applicable to the evaluation of carbides in high-carbon chromium bearing steels and tool and die steels. The evaluation of carbides in other eutectoid steels can be used as a reference.

Development Information

Related Standards

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Publish Date: 1996-11-04

GB/T 1424-1996 Active

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GB/T 1425-1996 Replaced

GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis

Publish Date: 1996-11-04

GB/T 17433-1998 Replaced

GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products

Publish Date: 1998-07-15

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Publish Date: 2000-10-25

GB/T 4334.2-2000 Replaced

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Publish Date: 2000-10-25