1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2012 03 06 N Status No usage replaced by ASTM B848 PF-4620 Grade A G. Weber, NA 2003 10 14 Revised Para 3.0 inserted; para 3.4 and 4 deleted 1983 05 19 Released AI-5 CP5-AI-890999-P47 Controlled document at www.MATS Copyright 2012, For
2、d Global Technologies, Inc. Page 1 of 1 POWDER METAL, MODIFIED AISI 4600 STEEL ESP-M10A68-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a hot forged modified AISI 4600 steel powdered metal. 2. APPLICATION This specification was released originally for materia
3、l used for transmission races. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 CHEMICAL COMPOSITION Carbon See Engrg. Drawing Manganese 0.35 max Nickel 1.7 - 2.2 Molybdenum 0.45 - 0.60 Sulphur 0.03 max Phosphorus 0.02 max 3.2 DENSITY, min 7.82 g/cc (ASTM B 328) 3.3 CRUSHING STRENGTH As per engineering drawing. The crushing strength shall be determined from actual tests on parts which have passed the performance requirements.