GB/T 14999.4-2012
Test methods for superalloys.Part 4:Determination of characterizing banding grains and primary carbides distribution of superalloy rollings (English Version)

Standard No.

GB/T 14999.4-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 14999.4-2012

Replace

GB/T 14999.4-1994 GB/T 14999.5-1994

Scope

This part of GB/T 14999 specifies the terms and definitions for microstructure determination of superalloys, sample cutting and preparation, inspection methods and measurement methods, result presentation, inspection reports, etc. This part applies to the detection and evaluation of strip grain structure and primary carbide distribution in rolled superalloys.

GB/T 14999.4-2012 Referenced Document

• GB/T 24177 Standard test methods for characterizing duplex grain sizes
• GB/T 6394 Determination of estimating the average grain size of metal*， 2017-02-28 Update

GB/T 14999.4-2012 history

• 2012 GB/T 14999.4-2012 Test methods for superalloys.Part 4:Determination of characterizing banding grains and primary carbides distribution of superalloy rollings
• 1994 GB/T 14999.4-1994 Methods of examining micro-structures for heat-resisting superalloys

GB/T 14999.4-2012 Test methods for superalloys.Part 4:Determination of characterizing banding grains and primary carbides distribution of superalloy rollings has been changed from GB/T 14999.5-1994 Photomicrographs and photomacrographs for evaluating of heat-resisting superalloys.

GB/T 14999.4-2012 -All Parts