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AGMA - 923-C22

Metallurgical Specifications for Steel and Cast Iron Gearing

active, Most Current
Organization: AGMA
Publication Date: 1 August 2022
Status: active
Page Count: 56
scope:

Metallurgical quality characteristics for use in conjunction with AGMA gear rating standards are recommended. Three different metallurgical quality grades: grade 1, grade 2, and grade 3 are defined. Characteristics include raw material, heat treatment, post heat treat processing, and associated inspections. Gear design and rating, case depth, allowable stress numbers, and quality control sampling plans are not included.

Document History

923-C22
August 1, 2022
Metallurgical Specifications for Steel and Cast Iron Gearing
Metallurgical quality characteristics for use in conjunction with AGMA gear rating standards are recommended. Three different metallurgical quality grades: grade 1, grade 2, and grade 3 are defined....
AGMA 923
May 3, 2005
Metallurgical Specifications for Steel Gearing
This document identifies metallurgical quality characteristics which are important to the performance of steel gearing. The AGMA gear rating standards identify performance levels of gearing by heat...
AGMA 923
August 28, 2000
Metallurgical Specifications for Steel Gearing
A description is not available for this item.

References

This document references:
AGMA 1010 - Appearance of Gear Teeth - Terminology of Wear and Failure
Published by AGMA on August 8, 2014
This standard provides nomenclature for general modes of gear tooth wear and failure. It classifies, identifies, and describes the most common types of failure and provides information that will, in...
This document references:
AGMA 1012 - Gear Nomenclature, Definition of Terms with Symbols
Published by AGMA on September 29, 2005
This standard establishes the definitions of terms, symbols and abbreviations which may be used to communicate the technology and specifications of external and internal gear teeth. It provides...
This document references:
AGMA 2001 - Fundamental Rating Factors and Calculation Methods for Involute Spur and Helical Gear Teeth
Published by AGMA on December 28, 2004
This standard presents a comprehensive method for rating the pitting resistance and bending strength of spur and helical involute gear pairs. It contains detailed discussions of factors influencing...
This document references:
AGMA 2003 - Rating the Pitting Resistance and Bending Strength of Generated Straight Bevel, Zerol Bevel and Spiral Bevel Gear Teeth
Published by AGMA on May 14, 2019
Rating formulas This standard provides a method by which different gear designs can be compared. The formulas in this standard are intended to establish a uniformly acceptable method for calculating...
This document references:
AGMA 2004 - Gear Materials, Heat Treatment and Processing Manual
Published by AGMA on January 1, 2008
This manual was developed to provide basic information and recommend sources of additional information pertaining to metallic gear materials, their treatments, and other considerations related to the...
This document is referenced by:
TR 10825-2 - Gears — Wear and damage to gear teeth — Part 2: Supplementary information
Published by ISO on October 1, 2022
This document provides information on gear tooth wear and damage. The material contained herein is intended to help the user better understand damage to gear teeth, but the potential reasons for...
This document is referenced by:
19FTM12 - Evaluation of Steel Cleanliness By Extreme Value Statistics and its Correlation With Fatigue Performance
Published by AGMA on October 1, 2019
Nonmetallic inclusions, primarily oxides play a significant role in the fatigue performance of components such as bearings and gears that undergo fatigue loading. This leads to an increased demand...
This document is referenced by:
15FTM03 - Practical Approach to Determining Effective Case Depth of Gas Carburizing
Published by AGMA on October 1, 2015
Effective case depth is an important factor and goal in gas carburizing, involving complicated procedures in the furnace and requiring precise control of many thermal parameters. Based upon diffusion...
This document is referenced by:
18FTM26 - Reliability of Gears – Determination of Statistically Validated Material Strength Numbers
Published by AGMA on September 1, 2018
A description is not available for this item.
This document is referenced by:
16FTM08 - Gear Design Relevant Cleanness Metrics
Published by AGMA on September 1, 2016
The Metallurgical Specifications for Steel Gearing information sheet (AGMA 923-B05) [1] details non-metallic inclusion limits to meet AGMA grade expectations for a range of gear metallurgical...
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