1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 09 25 Revised Updated and renumbered 1991 01 29 NE01E10000474089 3.1 Added, Renumbered J. Webster 1985 04 02 CE3PRD863106E149 Released J. Webster Printed copies are uncontrolled Page 1 of 2 Copyright 20
2、02, Ford Global Technologies, Inc. STEEL, CARBON TUBE ESE-M1A279-A 1. SCOPE The material defined by this specification is a low carbon steel tube. 2. APPLICATION This specification was released originally for a material used for an assembled camshaft shaft. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS
3、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 (ASTM A 751) Carbon 0.25 max Manganese 0.30 - 0.90 Phosphorus 0.04 max Sulfur 0.04 max Silicon 0.35 max Iron Remainder
4、 3.3 HARDNESS (ASTM E 18) Hardness after Sinter-bonding Process See Engineering drawing 3.5 MICROSTRUCTURE (ASTM E 3) After the sinter-bonding process, the microstructure shall consist of ferrite and pearlite. ENGINEERING MATERIAL SPECIFICATION ESE-M1A279-A Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 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 380 N/mm2
