Historical
AGMA 923-A00
Metallurgical Specifications of Steel Gearing
This document identifies gear material characteristics which are important to performance. AGMA standards for gear load capacity calculations require allowable stress numbers related to material grade, which are based on type and heat treatment. For each heat treatment method and AGMA grade number, acceptance criteria are given for various material characteristics identified in this document.
American Gear Manufacturers Association [agma]