FORD WSS-M1A183-D-2013 STEEL HIGH STRENGTH MARTENSITIC SHEET TO BE USED WITH FORD WSS-M99P1111-A (No direct replacement use CBP strategy).pdf
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1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2013 05 06 N Status No direct replacement, use CBP strategy D. Rhuno, NA 2002 09 30 Revised Updated and renumbered 1996 08 27 Activated J. E. Nelson Controlled document at www.MATS Page 1 of 3 Copyright 2013
2、, Ford Global Technologies, Inc. STEEL, HIGH STRENGTH, MARTENSITIC, SHEET WSS-M1A183-D NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is fully killed, fine grained, high strength martensitic carbon steel sheet. Specification WSS-M1P94-A shall be specified where pre
3、coating by the steel supplier is required. 2. APPLICATION This specification was originally released for material used in door intrusion beams, and bumpers where a high strength to weight ratio is required. Caution: Due to the hardenability response of these materials, individual welding schedules m
4、ust be developed for each application. 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 (weight percent) The percentages give
5、n are heat or cast (ladle) analysis: Grade 900 1100 1300 1500 Carbon, max .09 .13 .20 .26 Manganese, max .60 .60 .60 .60 Phosphorus, max .020 .020 .020 .020 Sulfur, max .025 .025 .025 .025 ENGINEERING MATERIAL SPECIFICATION WSS-M1A183-D Page 2 of 3 Copyright 2013, Ford Global Technologies, Inc. 3.3
6、MECHANICAL PROPERTIES (ASTM A 370/ISO 6892) Grade 900 1100 1300 1500 Tensile Strength, 900 1100 1300 1500 MPa, min Elongation, %, min 2 2 2 2 3.4 SPOT WELDABILITY (Applies to grades 900 and 1100 only) (FLTM BA 013-04) All material must be capable of passing the above FLTM requirement. This requireme
7、nt does not apply to grades 1300 and 1500 which are considered non-spot weldable using conventional spot welding practices. 3.5 PAINTABILITY Material supplied to this specification must have prior approval for paintability by the responsible Materials Engineering Activity. This approval shall be bas
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