GB/T 13840-1992
Abolished
YS/T 1834-2025
Active
Industry standards-Non-ferrous metals
YS/T 1834-2025 The methods for inspecting the high- and low-magnification microstructure of niobium and niobium alloys
YS/T 1834-2025 The methods for inspecting the high- and low-magnification microstructure of niobium and niobium alloys
Price:
$ 20.00
Basic Information
Standard Code:
YS/T 1834-2025
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metallographic examination methods
ICS Name:
Other non-ferrous metals and their alloys
Publish Date:
2025-12-17
Implement Date:
2026-07-01
Scope
This document specifies the preparation, etching, and microstructure testing methods for high- and low-magnification samples of niobium and niobium alloys. This document is applicable to the testing of the microstructures of niobium and niobium alloys at high and low magnifications.
Development Information
Related Standards
GB/T 15677-1995
Replaced
GB/T 15677-1995 Lanthanum metal
GB/T 3136-1995
abolished_transferred
GB/T 3136-1995 Tantalum powders
GB/T 3463-1995
Abolished
GB/T 3463-1995 Tantalum wires
GB/T 3628-1995
Replaced
GB/T 3628-1995 Tantalum and tantalum alloy foils
GB/T 16476-1996
Replaced