1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2013 05 06 N Status A1/2/3/4 no direct replacement, use CBP strategy D. Rhuno, NA 2006 05 03 Revised European specific re: gauge Rev 3.2.1, 3.5, 4.8, 4.14 Added 3.2.2 local procedure V1P-03-132 refers. Exceptions to this (for PAG) shall be au
2、thorized by Materials Engineering. (* the currently released level) 3.2.3 Use of Engineering Specifications for Thickness (see also para 4.5) This para is for the Americas ONLY. Use ES-YC15-1N260-A(-)* ie. all plus thickness tolerances. (* the currently released level) 3.3 OTHER DIMENSIONS, TOLERANC
3、ES AND ASSOCIATED ITEMS . These shall be defined by the relevant national standards (see para 4.6) . As appropriate to the relevant national standards, the title of this paragraph shall be interpreted to include length, width, flatness, camber and mass. ENGINEERING MATERIAL SPECIFICATION WSS-M1A345-
4、A1/A4 Copyright 2013, Ford Global Technologies, LLC Page 3 of 14 3.4 MECHANICAL PROPERTIES AND FORMING CHARACTERISTICS (Longitudinal Tensile Specimens) (50 mm Gauge Length) (ISO 6892/ASTM E 8M/EN 10002/JIS G 3141/JFS A 2001) (Note: Certain gauge (thickness) limitations apply) The material shall be s
5、teel sheet suitable to form the part and be suitable for assembly. Variant Tensile Yield % Elongation* % Elongation* % Elongation* Strength Strength =0.40/=0.80/=1.00/=0.40/=0.80/=1.00/=0.50/=0.50/=1.00/=1.00/ 0.5 mm. Up to 40 MPa is typical for 0.5 mm. 3) The values of r90 and n90 only apply to pro
6、ducts of thickness 0.5 mm. 4) Test specimens taken in the transverse (i.e., 90 to the rolling) direction. TABLE 2: Typical Values Based on North American Practice (For Uncoated and Electrolytically Coated) Test specimens and method based on ASTM standards. Values for Yield, Tensile Strength and Elon
7、gation area based on specimens taken in the longitudinal direction (0 deg to rolling). Grade Yield Strength Tensile Strength % Elongation (A50) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (50 mm GL) CS 170 - 229 285 - 350 37 - 44 n/a n/a 1.40 - 2.10 0.164 - 0.225 DS 148 - 216 273 - 339 38 - 51 n/a
8、 n/a 1.46 - 2.15 0.182 - 0.249 DDS 135 - 206 274 - 331 39 - 50 n/a n/a 1.63 - 2.32 0.190 - 0.264 (n/a means not applicable) ENGINEERING MATERIAL SPECIFICATION WSS-M1A345-A1/A4 Copyright 2013, Ford Global Technologies, LLC Page 10 of 14 TABLE 3: Typical Values Based on Japanese Practice (For Uncoated
9、 and Electrolytically Coated; Thickness 0.80 mm.) Test specimens and method based on JIS Z 2201 and JFS T 2001. Values for Yield, Tensile Strength and Elongation area based on specimens taken in the longitudinal direction (0 to rolling). The figures in brackets (parentheses) for Yield strength and %
10、Elongation, indicate typical values. Grade Yield Strength Tensile Strength % Elongation (A50) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (50 mm GL) SPCN1/ 135 - 255 (195) 270 min 39 - 48 (43) n/a n/a n/a n/a JSC270C SPCN2/ 125 - 215 270 min 42 - 51 n/a n/a 1.2 min n/a JSC270D (170) (45) (n/a mean
11、s not applicable) 4.12 CHARACTERISTICS OF COLD ROLLED MATERIALS (WSS-M1A345-A3/A4) TABLE 4: Typical Values Based On European Practice (For Uncoated and (Electrolytically Coated) Grade Yield Strength Tensile Strength % Elongation (A80) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (80 mm GL) 1) 4) 4)
12、 2) 4) 3) 3) DC06(+ZE) 116 - 164 275 - 307 41 - 50 2.04 - 2.84 0.22 - 0.26 n/a n/a (n/a means not applicable) Notes: 1. The values of yield stress are the 0.2% proof stress for products which do not present a definite yield point and the lower yield stress (Rel) for others. For thin gauges, the yiel
13、d stress value tends to increase. Up to 20 MPa is typical for 0.5 mm. Up to 40 MPa is typical for 0.5 mm. 3. The values of r90 and n90 only apply to products of thickness 0.5 mm. 4. Test specimens taken in the transverse (i.e., 90 to the rolling) direction. ENGINEERING MATERIAL SPECIFICATION WSS-M1A
14、345-A1/A4 Copyright 2013, Ford Global Technologies, LLC Page 11 of 14 TABLE 5: Typical Values Based on North American Practice (For Uncoated and Electrolytically Coated) Test specimens and method based on ASTM standards. Values for Yield, Tensile Strength and Elongation are based on specimens taken
15、in the longitudinal direction (0 deg to rolling). Grade Yield Strength Tensile Strength % Elongation (A50) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (50 mm GL) EDDS 116 - 183 275 - 326 40 - 51 n/a n/a 1.60 - 2.41 0.209 - 0.269 (n/a means not applicable) TABLE 6: Typical Values Based on Japanese
16、Practice (For Uncoated and Electrolytically Coated; Thickness 0.80 mm.) Test specimens and method based on JIS Z 2201 and JFS T 2001. Values for Yield, Tensile Strength and Elongation area based on specimens taken in the longitudinal direction (0 deg to rolling). The figures in brackets (parentheses
17、) for Yield strength and %Elongation, indicate typical values. Grade Yield Strength Tensile Strength % Elongation (A50) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (50 mm GL) SPCN3 JSC270E 120 - 195 (160) 270 min 44 - 52 (47) n/a n/a 1.4 min n/a SPCN4 JSC270F 110 - 175 (145) 270 min 46 - 54 (49) n
18、/a n/a 1.6 min n/a (n/a means not applicable) ENGINEERING MATERIAL SPECIFICATION WSS-M1A345-A1/A4 Copyright 2013, Ford Global Technologies, LLC Page 12 of 14 4.13 CHARACTERISTICS OF COLD ROLLED MATERIALS (WSS-M1A345-A1/A2/A3/A4) TABLE 7: Typical Values Based On European Practice (For Hot Dipped Galv
19、annealed) Grade Yield Strength Tensile Strength % Elongation (A80) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (80 mm GL) 1) 4) 4) 2) 4) 3) 3) DX51D + ZF 185 - 241 306 - 366 34 - 42 1.10 - 2.30 0.17 - 0.21 n/a n/a DX52D + ZF 166 - 216 279 - 327 37 - 46 1.34 - 2.40 0.19 - 0.23 n/a n/a DX53D + ZF 15
20、5 - 185 287 - 311 41 - 49 1.82 - 2.46 0.20 - 0.24 n/a n/a DX54D + ZF 146 - 174 287 - 313 38 - 48 1.76 - 2.42 0.20 - 0.24 n/a n/a DX56D + ZF (n/a means not applicable) Notes: 1) The values of yield stress are the 0.2% proof stress for products which do not present a definite yield point, and the lowe
21、r yield stress (Rel) for others. For thin gauges, the yield stress value tends to increase. Up to 20 MPa is typical for 0.5 mm. Up to 40 MPa is typical for 0.5 mm. 3) The values of r90 and n90 only apply to products of thickness 0.5 mm. 4) Test specimens taken in the transverse (i.e., 90 to the roll
22、ing) direction. ENGINEERING MATERIAL SPECIFICATION WSS-M1A345-A1/A4 Copyright 2013, Ford Global Technologies, LLC Page 13 of 14 TABLE 8: Typical Values Based on North American Practice (For Hot Dipped Galvannealed) Test specimens and method based on ASTM standards. Values for Yield, Tensile Strength
23、 and Elongation area based on specimens taken in the longitudinal direction (0 deg to rolling). Grade Yield Strength Tensile Strength % Elongation (A50) r90 n90 r - bar n bar (Re) (MPa) (Rm) (MPa) (50 mm GL) CS 223 - 315 323 - 379 33 - 45 n/a n/a 1.05 - 1.39 0.161 - 0.240 DS 165 - 230 294 - 344 39 -
24、 47 n/a n/a 1.37 - 1.78 0.197 - 0.240 DDS 140 - 188 289 - 330 41 - 50 n/a n/a 1.68 - 2.09 0.226 - 0.265 EDDS 124 - 176 286 - 331 42 - 50 n/a n/a 1.70 - 2.31 0.223 - 0.265 n/a means not applicable) TABLE 9: Typical Values Based on Japanese Practice (For Hot Dipped Galvannealed; Thickness 0.80 mm.) Te
25、st specimens and method based on JIS Z 2201 and JFS T 2001. Values for Yield, Tensile Strength and Elongation area based on specimens taken in the longitudinal direction (0 deg to rolling). The figures in brackets (parentheses) for Yield strength and % Elongation, indicate typical values. % Elongati
26、on values are applicable where the sum of the minimum coating mass for BOTH surfaces exceeds 90 g/m2. Grade Yield Strength Tensile Strength % Elongation (A50) r90 n90 r - bar n - bar (Re) (MPa) (Rm) (MPa) (50 mm GL) SPCM1 JAC270C 175 295 (235) 270 min 36 45 (40) n/a n/a n/a n/a SPCM2 JAC270D 125 215
27、 (170) 270 min 41 50 (44) n/a n/a 1.2 min n/a SPCM3 JAC270E 120 195 (155) 270 min 43 51 (46) n/a n/a 1.4 min n/a SPCM4 JAC270F 110 175 (145) 270 min 45 53 (48) n/a n/a 1.6 min n/a Note: The above grades are taken from JFS A 3011 and MES MM 108. (n/a means not applicable) ENGINEERING MATERIAL SPECIFI
28、CATION WSS-M1A345-A1/A4 Copyright 2013, Ford Global Technologies, LLC Page 14 of 14 4.14 REFERENCE DOCUMENTS The reference documents are: ASTM A 366M BS 1449 ASTM E 8M WSS-M1P94-A EN 10049 ASTM A 568M EN 10002 ISO 3574 ESB-M2P130-A ESB-M2P129-B ISO 6892 DIN 1623 JIS G 3141 JFS A 2001 JFS A 3011 MES
29、MN 606 ISO 2566/1 JIS Z 2201 JFS T 2001 JFS A 1001 ASTM A 620M EN 10130 ASTM A 963M EN 10131 SEP 1940 ASTM A 969M ES MM 101 MES MM 108 ES-YC15-1N260-AA ES-6H52-00001-A(-) WSS-M99P1111-A V1P-03-132 WSS-M99P9999-A1 ES6G91-1N260-A(-) 4.15 METHOD OF SPECIFYING The specification on the Engineering Drawin
30、g or CAD (computer aided design) file shall include, if applicable, the surface quality; also the coating(s) defined by WSS-M1P94-A. e.g. Steel, Sheet, Cold Rolled, Low Carbon, Improved Formability, uncoated, for a non-visible bracket of 2 mm thickness, would be specified thus: . Steel to WSS-M1A345
31、-A2: Class 3 e.g. Steel, Sheet, Cold Rolled, Low Carbon, High Formability, uncoated, for a visible exterior body panel, would be specified thus: . Steel to WSS-M1A345-A3: Class 1 e.g. Steel, Sheet, Cold Rolled, Low Carbon, Improved Formability, coated with double sided Electrolytic Zinc, (typical Eu
32、ropean usage), for the boot (trunk) inner panel, would be specified thus: . Steel to WSS-M1A345-A2, coated to WSS-M1P94-A: 50G50G-EL, Class 2 e.g. Steel, Sheet, Cold Rolled, Low Carbon, Improved Formability, differentially coated with double sided Electrolytic Zinc, (typical North American usage), f
33、or the bonnet (hood) outer panel, would be specified thus: . Steel to WSS-M1A345-A2, coated to WSS-M1P94-A: 98G60G-EL, Class 1 NOTE: This document is dedicated to the memory of the late Brian Lawrence Edwards (1939 - 1999), whose foresight developed the first of this style of specifications in 1994.
