AMS-H-81200A钛及钛合金的热处理.pdf

AEROSPACE AMS-H-81200A MATERIAL Issued APR 2001 SPECIFICATION Revised JUN 2003 Superseding AMS-H-81200 Heat Treatment of Titanium and Titanium Alloys NOTICE This document is intended to replace MIL-H-81200. The original issue of AMS-H-81200 was taken directly from Military Specification MIL-H-81200A and contained only minor editorial and format changes required to bring it into conformance with the publishing requirements of SAE technical standards. This revision B changes the heat treatment requirements for parts from “may be heat treated in accordance with the requirements of AMS 2801” to “shall be heat treated in accordance with AMS 2801”. As an exception, it allows continuation of heat treatment procedures for specific parts which have been previously acceptable to the purchaser. It also adds the requirement that the heat treat parameters used for heat-treat-response-tests of raw material conform to the parameters used for heat treatment of parts (See 3.1.1). The original Military Specification was adopted as an SAE standard under the provisions of the SAE Technical Standards Board (TSB) Rules and Regulations (TSB 001) pertaining to accelerated adoption of government specifications and standards. TSB rules provide for (a)