GB/T 1423-1996
Active
YS/T 448-2025
Active
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
YS/T 448-2025 The method for inspecting the organization of casting and processing products of copper and copper alloys
Price:
$ 20.00
Basic Information
Standard Code:
YS/T 448-2025
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:
2025-12-17
Implement Date:
2026-07-01
Scope
This document describes the sample preparation, etching reagents, etching methods, microstructural examination, and test reports for the macroscopic and microscopic structures of cast and processed products made from copper and copper alloys. This document is applicable to the examination of the macroscopic structures of cast and processed products made from copper and copper alloys using the naked eye, a magnifying glass, or a stereomicroscope, and to the examination of the microscopic structures of copper and copper alloys using a metallographic microscope.
Development Information
Replace the following standards
YS/T 448-2002、YS/T 449-2002
Related Standards
GB/T 1424-1996
Active
GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys
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
GB/T 17433-1998
Replaced
GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products
GB/T 4334.1-2000
Replaced
GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels
GB/T 4334.2-2000
Replaced