GMKOREA EDS-M-1312-2011 Cr Free Coated Steel Sheets for Fuel Tank.pdf
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1、 ENGINEERING STANDARDS Material Specification LIMITED USE EDS-M-1312 Cr Free Coated Steel Sheets for Fuel Tank Do Not Use on New Program; No Replacement. Cr Free 7$* B%A 7 IDD Note: 8 E:48t G8 =97 FF7 957%L+ , FG P-P Program 72P# 957%L: 6#$ . Copyright 2011 General Motors Company All Rights Reserved
2、 April 2011 Originating Department: GM Korea Engineering Standards Page 1 of 10 Version : 4 1 Scope 1.1 Material Description. This standard specifies the Cr free coated steel sheets for fuel tank used by GM Korea Company (hereinafter referred to as the “GM Korea“). 1.1.1 Type and Use (Reference). 1
3、P7 1.1 8: 8-L C2e . 8 8t GM Korea Company (8F “$-1 ( F )72P 17F# Cr Free 7$* B%A 7 IDD7 $4F7 9IF$ . 1.1.1 9* -C 7$ (=l ). Table 1: Type and Use / E 1: 9* -C 7$ Type / 9* Use / 7$ Applications / 957 707 38%P E:48x 957F$ . 2.1 17 E:4 / . SAE J400 SAE J1681 SAE J1747 SAE J2334 2.2 GM E:4 / . EDS-M-1101
4、 EDS-M-1201 EDS-M-1203 EDS-M-8406 EDS-M-8604 EDS-T-7037 EDS-T-7143 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents GM KOREA ENGINEERING STANDARDS EDS-M-1312 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 2 of 10 Version : 4 3 Requirements 3.1 Ba
5、se Metal. 3.1.1 The chemical composition and mechanical properties of the base metal shall conform to the standard for each base metal. Mainly used base metals are as shown in Table 2, and other base metals may be used. 3 7 1F 3.1 2: F7 , Material Lab Test Engineer7t Product Design Engineer8 B7t 388
6、x -O8x . 3.9.5.3.3 Gasoline. Aggressive Ethanol blended Gasoline (SAE J1681 CE10A). 3.9.5.4 4G -8t SAE J1747 (Recommended Methods For Conducting Corrosion Test In Gasoline/Methanol Fuel Mixtures)7 d3T%P 7$7t Procedure 7 &d( 26 :0 Test * 44F$ . (Test Duration7 &d* ! 7$F Equivalency# E 68x =l9 ). GM K
7、OREA ENGINEERING STANDARDS EDS-M-1312 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 7 of 10 Version : 4 Table 6: Equivalency per Test Duration / E 6: Equivalency per Test Duration Test Duration Equivalency. 26 Weeks 10 year equivalency 39 Weeks 15 year equivalency 3.9.5.5
8、 The fuel on the test is replaced with new fuel every 4 weeks while the changes of the specimen on the test are reported with discreet observation at each renewal. 3.9.5.5 4G d8 :E + 4:0*$ 1 7$*) =F+ , =4d*$ 4G D8 -G* 4=dF7 d)F$ . Figure 5: Shape of Test Cup for Fuel Resistance Test / ,* 5: !7$*2e T
9、est SPL GI1 3.9.6 Test Standards. EDS-M-8604: Under Coater - Fuel Tank. EDS-T-7037: Powder Coat Finish. EDS-T-7143: Method of Salt Spray Test. SAE J400: Test for Chip Resistance of Surface Coating. SAE J1681: Gasoline, Alcohol, and Diesel Fuel Surrogates for Materials Testing. SAE J1747: Recommended
10、 Methods for Conducting Corrosion Test in Gasoline/Methanol Fuel Mixtures. SAE J2334: Laboratory Cyclic Corrosion Test. 3.9.6 4G . EDS-M-8604: 6$ Bd - Fuel Tank. EDS-T-7037: .= $8+8 8-L958 4G - . EDS-T-7143: 703L .,h 4G - . SAE J400: Test for Chip Resistance of Surface Coating. SAE J1681: Gasoline,
11、Alcohol, and Diesel Fuel Surrogates for Materials Testing. SAE J1747: Recommended Methods for Conducting Corrosion Test in Gasoline/Methanol Fuel Mixtures. SAE J2334: Laboratory Cyclic Corrosion Test. GM KOREA ENGINEERING STANDARDS EDS-M-1312 Copyright 2011 General Motors Company All Rights Reserved
12、 April 2011 Page 8 of 10 Version : 4 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event of conflict between the Korean and
13、English language, the Korean language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tested for conformity with the requirements of this material specification and approved by the responsible Engineering depart
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