YB/T 6458-2026 Pending Industry standards-Black metallurgy

YB/T 6458-2026 The microscopic inspection method for sulfide inclusions in easy-to-cut steel

Publish Date: 2026-04-16 Implement Date: 2026-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB/T 6458-2026

Standard Type: Industry standards

Standard Status: Pending

is_force_gb: no

CCS Name: Metallographic examination methods

ICS Name: Other testing methods for metal materials

Publish Date: 2026-04-16

Implement Date: 2026-11-01

Publisher: 工业和信息化部

Technical Committee: 全国钢标准化技术委员会

Scope

本文件规定了易切削钢中硫化物夹杂物级别和分布均匀性的显微检验方法。本文件适用于易切削钢的半成品、长材或扁平材中硫化物夹杂物级别和分布均匀性的检验与评定，其他改善切削性能的钢中硫化物夹杂物级别和分布均匀性的检验与评定亦可参照执行

Development Information

Drafting Units:

首钢集团有限公司、浙江青山钢铁有限公司、冶金工业信息标准研究院、海五牛金属材料有限公司、华北理工大学

Drafting Persons:

温娟、胡梅青、鞠新华、王琳、严春莲、严道聪、孟杨、吕廼冰、慕新、李涛、王贝贝、颜丞铭、贾惠平、张莉霞

Related Standards

GB/T 1423-1996 Active

GB/T 1423-1996 Method of measurement of density for precious metals and their alloys

Publish Date: 1996-11-04

GB/T 1424-1996 Active

GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys

Publish Date: 1996-11-04

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

GB/T 4334.1-2000 Replaced

GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels

Publish Date: 2000-10-25

GB/T 4334.2-2000 Replaced

GB/T 4334.2-2000 Method of ferric sulfate-sulfuric acid test for stainless steels

Publish Date: 2000-10-25