1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 07 29 Revised Updated and Renumbered 1991 01 29 NE01E10000474089 3.1 Added, Renumbered J. Webster 1985 04 02 CE3PRD863100E149 Released J. Webster Printed copies are uncontrolled Page 1 of 2 Copyright 20
2、02, Ford Global Technologies, Inc. STEEL, MEDIUM CARBON ESE-M1A280-A1 ESE-M1A280-A2 ESE-M1A280-A3 1. SCOPE The material defined by this specification is a carbon steel for machines structural components. 2. APPLICATION This specification was released originally for a material used for an assembled c
3、amshaft front end piece and rear end piece (A1) and journal piece (A2/A3). 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 COMPOSITION A
4、1 A2 A3 (ASTM A 751) Carbon 0.42 - 0.48 0.45 - 0.51 0.40 - 0.60 Manganese 0.60 - 0.90 0.60 - 0.90 1.35 - 1.65 Phosphorus 0.03 max 0.03 max 0.03 max Sulfur 0.035 max 0.035 max 0.03 max Silicon 0.15 - 0.35 0.15 - 0.35 0.15 - 0.35 Iron Remainder Remainder Remainder 3.3 HARDNESS (ASTM E 18) Hardness aft
5、er Sinter-bonding Process See Engineering drawing ENGINEERING MATERIAL SPECIFICATION ESE-M1A280-A1/A3 Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 3.4 MICROSTRUCTURE (ASTM E 3) After the sinter-bonding process, the microstructure shall consist of ferrite and pearlite. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 TENSILE STRENGTH, min (ASTM E 8) After Sinter-bonding Process 560 N/mm2
