FORD WSE-M1A32-B1-2011 GREY CAST IRON - METALLURGICAL STRUCTURE OF CYLINDER BLOCKS AND HEADS TO BE USED WITH FORD WSS-M99P1111-A 《灰口铸铁 汽缸体和头的冶金结构 与福特WSS-M99P1111-A 一起使用》.pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions Rev 03 2011 12 16 N Status 1 - No usage S. Ryzyi, NA 2002 09 30 Revised Updated 1987 10 30 SM/ER0886TC Released H.Nikkel NAAO, N P Riley EAO Controlled document at www.MATS Page 1 of 3 Copyright 2011, Ford G

2、lobal Technologies, Inc. GREY CAST IRON - METALLURGICAL STRUCTURE NOT FOR NEW DESIGN WSE-M1A32-B1 OF CYLINDER BLOCKS AND HEADS WSE-M1A32-B2 1. SCOPE This specification defines the acceptable metallurgical structure of gray cast iron cylinder blocks and heads. 2. APPLICATION The metallurgical structu

3、res described in this specification were established to control acceptance of cylinder blocks and heads in order to assure the desired properties. Satisfactory performance and machinability can best be controlled by metallurgical structure, which is not always indicated by hardness and chemical comp

4、osition. 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 HARDNESS (ISO 6506/ASTM E 10) (ISO R80/ASTM E 18) 3.2.1 Cylinder Block Unless otherwise

5、stated on the Engineering drawing, the hardness will be checked between the center bores or end of head face at a point which does not interfere with the gasket bead, and is a minimum of 9.5 mm from any outside edge or opening in the block head face. 3.2.2 Cylinder Head Unless otherwise stated on th

6、e Engineering drawing, the hardness will be checked at a point between the center bores that does not interfere with the gasket bead. Note: The hardness requirements shall be as stated on the affected Engineering drawing. ENGINEERING MATERIAL SPECIFICATION WSE-M1A32-B1/B2 Page 2 of 3 Copyright 2011,

7、 Ford Global Technologies, Inc. 3.3 MICROSTRUCTURE (ASTM A 247) 3.3.1 Sampling The areas from which the samples for microscopic examination shall be taken are indicated on the attached sketches. If the rough casting is sectioned, approximately 3 mm of stock must be removed to approximate the wear su

8、rface area. 3.3.2 Sample Preparation and Examination The specimen shall be prepared in accordance with ASTM A 247, and inspected at a magnification of 100X. 3.3.3 Graphite (ASTM A 247) B1 B2 Flake Types A 50 % min 70 % min B 50 % max 20 % max C 10 % max 2 % max D & E 10 % max 10 % max Flake Size 3 10 % max 10 % max 4 & 5 50 % min 50 % min 6 & 7 50 % max 50 % max 3.3.4 Matrix Pearlite 85 % min 90 % min Ferrite 15 % max 10 % max Carbide 1 % max 1 % max ENGINEERING MATERIAL SPECIFICATION WSE-M1A32-B1/B2 Page 3 of 3 Copyright 2011, Ford Global Technologies, Inc.

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