GB/T 14999.2-2025 Active National standards

GB/T 14999.2-2025 Test methods for superalloys—Part 2:Microstructure

GB/T 14999.2-2025 Test methods for superalloys—Part 2:Microstructure

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 93

Out of stock

Basic Information

Standard Code: GB/T 14999.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: High-temperature alloys

ICS Name: Other steel products

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 32 pages

Scope

This document describes the sampling and preparation, measurement and result presentation, and inspection reports for the high-magnification microstructure inspection of deformed high-temperature alloys.
This document is applicable to the detection and evaluation of grain structure and primary carbides in rolled and forged deformed high-temperature alloy products. Other high-temperature alloys can be used for reference.

Development Information

Word Count: 36 Thousand words Pages: 32 pages

Same series standard

GB/T 14999.1-2025 Test method for superalloys—Part 1:Macro-structures

Replace the following standards

GB/T 14999.4-2012 Test methods for superalloys—Part 4:Determination of characterizing banding grains and primary carbides distribution of superalloy rollings GB/T 14999.6-2010 Test methods for characterizing duplex grain sizes and primary carbides distribution of superalloy forgings

Referenced Standards

GB/T 6394-2002 Metal-methods for estimating the average grain size GB/T 6394-2017 Determination of estimating the average grain size of metal GB/T 24177-2009 Standard test methods for characterizing duplex grain sizes GB/T 30067-2013 Standard terminology relating to metallography YB/T 4290-2012 Method for Determining Maximum Grain Size Level (ALA Grain Size) on Microstructure Surface Detection Surface

Related Standards

GB/T 3990-1983 abolished_transferred

GB/T 3990-1983 Nickel-coated alumina composite powders

Publish Date: 1983-12-12

GB/T 3991-1983 abolished_transferred

GB/T 3991-1983 Cobalt-coated tungsten carbide composite powders

Publish Date: 1983-12-12

GB/T 3992-1983 abolished_transferred

GB/T 3992-1983 Nickel-coated chromium composite powders

Publish Date: 1983-12-12

GB/T 3993-1983 abolished_transferred

GB/T 3993-1983 Nickel-coated copper composite powders

Publish Date: 1983-12-12

GB/T 11072-1989 Replaced

GB/T 11072-1989 Indium antimonide polycrystal, single crystals and as-cut slices

Publish Date: 1989-03-31

GB/T 2073-1993 abolished_transferred

GB/T 2073-1993 Bimetal strips

Publish Date: 1993-08-30