YS/T 448-2025 Pending Industry standards-Non-ferrous metals

YS/T 448-2025 The method for inspecting the organization of casting and processing products of copper and copper alloys

Publish Date: 2025-12-17 Implement Date: 2026-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YS/T 448-2025

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: 2025-12-17

Implement Date: 2026-07-01

Publisher: 工业和信息化部

Scope

本文件描述了铜及铜合金铸造和加工制品宏观组织和显微组织的试样制备、浸蚀剂、浸蚀方法、组织检验及试验报告。本文件适用于用肉眼、放大镜或体视显微镜检验铜及铜合金铸造和加工制品宏观组织和利用金相显微镜检验铜及铜合金的显微组织。

Development Information

Drafting Units:

Drafting Persons:

Replace the following standards

YS/T 448-2002、YS/T 449-2002

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