1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 03 06 N Status No replacement or usage G. Weber, NA 2003 10 10 Revised Para 3.0 inserted; para 3.7 and 4 deleted 1963 06 12 Released AS1 #927 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, Inc. Page 1 of
2、 2 SINTERED RUSTLESS STEEL - EXTRA LOW CARBON ESB-M10A21-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a sintered stainless steel of extra low carbon grade. 2. APPLICATION This specification was released originally for material used for the sleeve at the pivo
3、t point in windshield wiper arm assemblies. 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 0.08 max Manganese 1.00 m
4、ax Phosphorus 0.04 max Sulfur 0.03 max Silicon 1.50 max Chromium 11.5 - 13.5 Iron 83.85 min 3.2 RADIAL CRUSHING STRENGTH, min 400 lb (1780 N) (Calculate per Figure 1) 3.3 DENSITY 5.8 - 6.2 g/cm3 (ASTM B 328) 3.4 POROSITY, % volume, min 18 (ASTM B 328) 3.5 OIL CONTENT, by weight, min 2.5% (Parts shal
5、l be impregnated with ESB-M8C2-A or M8C3-A oil unless otherwise specified on Engineering Drawings.) 3.6 QUALITY The material shall be clean, free from dirt, grease or any foreign material. ENGINEERING MATERIAL SPECIFICATION ESB-M10A21-A Copyright 2012, Ford Global Technologies, Inc. Page 2 of 2 “K“ STRENGTH FACTOR X 1000 FIGURE 1
