ANSI AGMA 2000-A88:1988 pdf free.AMERICAN NATIONAL STANDARD GEAR CLASSIFICATION AND INSPECTION HANDBOOK. 1.5 Materials and Heat Treatment. A designation of the required material and heat treatment can be included as a part of the AGMA Classification Number. Designation numbers are provided which identify gear materials, heat treatments, and hardness ranges (see Section 7). 1.6 Exceptions. This Standard does not apply...
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