FORD WSB-M1A215-F1-2013 STEEL SHEET COLD ROLLED HSLA TO BE USED WITH FORD WSS-M99P1111-A (Shown on FORD WSB-M1A215-E1 No direct replacements 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 replacements use CBP strategy D. Rhuno, NA 2002 09 24 Revised Updated and renumbered 1988 01 14 SM/ER 1899TC Released J.E. Nelson NAAO Materials Engineering 1 micrometer (+ 0.5

2、micrometer) band width; 12.5 mm minimum effective traverse length; flat skid type is defined thus: . Class 1 (also known as “B“ (EN 10130) or full finish (FF): Ra 1.0 - 1.7 (2.5 mm cut-off) Peak density 45 ppcm (Peak Valley Pairs per centimeter) minimum (at 2.5 mm cut-off). . Class 2 (also known as

3、“A“ (EN 10130) or general purpose (GP): Ra 1.0 - 2.4 (2.5 mm cut-off) Peak Density not defined. . Class 3 Ra and Peak Density not defined. 3.8 PAINTABILITY Material supplied to these specifications must have prior approval for paintability by the responsible Materials Engineering activity. This appr

4、oval shall be based on samples prepared to the local process and performance requirements appropriate to the country of vehicle manufacture. Where the material or component is delivered to Ford in the fully painted condition, this para is not applicable and the performance defined by the drawing is

5、mandatory. Where the final product is to be surface coated by other methods, e.g. Electro-plate, a similar approval procedure applies (see also para 4.5). 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification

6、. 4.1 INITIAL SUPPLIER APPROVAL (UNCOATED ONLY - For information for coated HSLA steel submissions see WSS-M1P94-A) For initial approval, the supplier should furnish the following information for each variant: . A plan detailing how each requirement of para 3 will be controlled on a continuing basis

7、. . Test results from a typical production sample for the requirements outlined in para 3, with the exception that paintability testing shall be conducted on one sample. . Weldability test results from production samples as outlined in para 3.6. To control weldability on an ongoing basis, the Suppli

8、ers Control Plan will indicate the maximum chemistry and minimum gage allowed for each supplier approval submission. These levels will be negotiated between the appropriate Ford Materials Engineering activity and the supplier at the time of submission. It is therefore important, where possible, that

9、 samples with higher chemistry and lower gauge be selected for testing. . Mechanical property histograms including mean and standard deviation values. Data shall consist of a minimum of 40 measurements for each property in para 3.3, ENGINEERING MATERIAL SPECIFICATION WSB-M1A215-E1/F1 Page 5 of 5 Cop

10、yright 2013, Ford Global Technologies, Inc. taken from a minimum of 20 coils, while the process is operating in statistical control. Upon approval, the material will be added to the Engineering Material Approval Source List. 4.2 REFERENCE DOCUMENTS The reference documents are: ASTM E 8M EN 10002 ISO

11、 6892 WSS-M1P94-A ASTM A568M EN 10051 QS-9000 WSS-M99P1111-A ESB-M2P129-B EN 10131 FLTM BA 013-04 WSS-M99P9999-A1 ESB-M2P130-A 4.3 METHOD OF SPECIFYING The specification on the Engineering Drawing shall include, if applicable, the surface quality; also the coating(s), as defined by WSS-M1P94-A. e.g.

12、 Steel, Sheet, Hot Rolled, HSLA, uncoated, minimum yield strength 300 MPa, for a non-visible component, would be specified thus: WSB-M1A215-E1 Grade 300: Class 3 e.g. Steel, Sheet, Cold Rolled, HSLA, hot dipped zinc coated, minimum yield strength 350 MPa, for a non-visible component, would be specif

13、ied thus; WSB-M1A215-F1, Grade 350; Class 3 Coated to WSS-M1P94-A, 60G60G-HD 4.4 THICKNESS TOLERANCE (CAUTION) If and when choosing a minimum gage from ES-YC15-1N260-AA, if the previous choice of gage was nominal, it is important to avoid generating an inadvertent increase in the ACTUAL thickness of

14、 the component, and consideration should be given to specifying the next lowest minimum gage e.g. (Ford Europe example) for an existing 0.80 mm nominal gage, the nearest equivalent minimum gage in ES-YC15-1N260-AA is 0.75 mm. 4.5 PAINTABILITY Material supplied to North America shall meet the following requirements: . Material intended for Class 1 surface applications shall meet the requirements of ESB-M2P130-A. . Material intended for Class 2 and 3 surface applications shall meet the requirements of ESB-M2P129-B.