1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2010 02 18 N-STATUS Replaced by EN 10084 17CrS3+H L. Sinclair, NA 2003 03 12 Revised Para 3.0 inserted ; Para 3.5, 3.6, permissible variations acc. to SAE J409 b). 3.2 HARDENABILITY Must conform to the harde
2、nability band given in figure 1. (Checking according to SAE J 406 a). 3.3 AUSTENITE GRAIN SIZE 5 - 8 with max 20 % 4 (Checking according to SAE J 418 a). ENGINEERING MATERIAL SPECIFICATION SQ-M1A9451-A20H Page 2 of 2 Copyright 2010, Ford Global Technologies, Inc. 3.4 DEGREE OF PURITY 3.4.1 Degree of
3、 Purity, Macroscopic Must conform to Ford Specification SQ-M99P9000-A. 3.4.2 Degree of Purity, Microscopic Must conform to Ford Specification SQ-M99P9001-A. THE GRAPHIC WHICH SHOULD APPEAR AT THIS POSITION OF THE SPECIFICATION CAN BE OBTAINED BY REFERENCING THIS SPECIFICATION NUMBER FROM : MATERIALS LABORATORY 13/100 FORD RESEARCH & ENGINEERING CENTRE LAINDON, BASILDON. ESSEX ENGLAND SS15 6EE PHONE: (0268) 403366
