1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions Rev 03 2011 12 15 N Status No Usage S. Ryzyi, NA 2002 09 23 Revised Updated and renumbered 1971 03 25 F6Z-513 Released (Was XF-M1AX14) Controlled document at www.MATS Page 1 of 1 Copyright 2011, Ford Global
2、Technologies, Inc. STEEL, LOW CARBON, ALUMINUM KILLED ESF-M1A202-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a low carbon aluminum killed extrusion grade steel. 2. APPLICATION This specification was released originally for material used for extruded alterna
3、tor pole pieces. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CHEMICAL ANALYSIS Carbon 0.08 max Silicon 0.10 max Manganese 0.25 - 0.40 Phospho
4、rus 0.035 max Aluminum 0.035 min Sulfur 0.045 max 3.3 HARDNESS, ROCKWELL “B“ Annealed 50 max Unannealed 75 - 90 To be checked in areas designated on engineering drawing. 3.4 AUSTENITIC GRAIN SIZE 5 or finer (ASTM E 112, Annex A 3) Test Method: A section for metallographic evaluation shall be packed
5、in a sealed container which is filled with unused commercial carburizing compound. The container shall then be heated in a temperature controlled furnace at 925 C for 8 h. The container shall then be furnace cooled. The grain size shall be measured and reported in the manner specified per ASTM E 112, Annex A 3.3 and A 3.4 using specimens prepared according to ASTM Method E 3.
