GMKOREA EDS-M-1904-2011 CV(Compacted Vermicular) Graphite Iron Castings.pdf
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1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-1904 CV(Compacted Vermicular) Graphite Iron Castings This standard may be applied only for current project. It is Superceded for all future projects and replaced by GMW7. CV H 7$ :0= Note: 8 E:48t G8 =9 7 FF7 957%L+ , FG P-P Program.Bd#
2、GMW7 ) $4=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved April 2011 Originating Department: GM Korea Engineering Standards Page 1 of 6 Version : 4 1 Scope 1.1 Material Description. This standard specifies C.V (Compacted Vermicular Shape) graphite iron castings used by GM Korea
3、Company (hereinafter referred to as the “GM Korea“). 1.1.1 Type and Use (Reference). 1 P7 1.1 8: 8-L C2e . 8 8t GM Korea Company (8F “$-1 ( F )72P 17F# C.V (Compacted Vermicular Shape) H 7$ :0=E7 $4F7 9IF$ . 1.1.1 9* -C 7$ (=l ). Table 1: Type and Use / E 1: 9* -C 7$ Type / 9* Uses / 7$ Applications
4、 / 957 707 38%P E:48x 957F$ . 2.1 17 E:4 / . ISO 6506 JIS Z2241 KS B0801 2.2 GM E:4 / . EDS-T-7101 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents GM KOREA ENGINEERING STANDARDS EDS-M-1904 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 2 of 6 Ve
5、rsion : 4 3 Requirements 3.1 Chemical Composition. 3 7 1F 3.1 GF 2e. . Table 2: Chemical Composition (Unit: wt%) / E 2: GF 2e. ($88 : wt%) Type / 9* C Si Mn P S Ti FCV 300 3.43.9 2.03.2 0.40 max / 0.40 8F 0.07 max / 0.07 8F 0.05 max / 0.05 8F 0.15 max / 0.15 8F Remark: Values in Table 2 are the refe
6、rence values on which the quality of iron castings is controlled and saturation of carbon (Sc) shall not exceed 1.1. / /x : E 28 F8t :0,p E:8x 4*Fd 88F E:4?8+ , A2E G$ (Sc)# 1.18x 2 88 I$7t 88 4D =x? 88?* $+7 +4F6 F$ . 3.2.3 F.) I$ (N/mm2). 240 81 . 3.2.4 48 (%). 3 81 . 3.2.5 88 , F.) I$ -C 488t $+7
7、 +4%L: 68t 7 3.5.2 F8 )48* 17F7 4G F6 F$ . 3.3 -,2l 9: . 3.3.1 :0=E8 -,2l9:8t EDS-T-7101 Structure Rating Chart 7 8F :0=8 G8-, 9: 4G - 7 8F $8 1F8x +9F6 F$ . y d: : :0) D(8C 9: . y D(8C /D(8C +95 /x8 : Chart IX ,* 4 ) 6 (D(8C 60 % 81 ). y D(8C GIB : Chart II ,* 2 ) 3. y H 7$ GIB : Chart 0 :0) III, d
8、A VI. y H 7$ A d : Chart I (GIB III) ,* 5 ) 8, Chart VIII (GIB VI) ,* 5 ) 8. 3.3.2 d 4)2e8x .(:Fd 88F2P# ) &%8 F8 666 F$ . GM KOREA ENGINEERING STANDARDS EDS-M-1904 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 3 of 6 Version : 4 3.5 Test. 3.5.1 All tests shall be perform
9、ed at a temperature of 235 E . 3.5.2 Specimen. 3.5.2.1 Manufacturing Method of Test Specimen. The specimen shall generally be cast separately under the same conditions as the iron castings, using the mould of the same type with the iron castings. Sampling cycle and numbers of test specimen shall be
10、agreed between the parties concerned. Specimen shall be simultaneously heat-treated along with the products in the same furnace. 3.5.2.2 Shape and Dimension of Test Specimen. Shape and dimensions of specimens shall be of 6 types made up of four Y types (No. A ) D indicated in Table 3 and 6 knock off
11、 types shown in Figure 1 (type Ka or Kb). In principle, No. B of type Y shall be used, but knock off type (type Ka or Kb) may be substituted for No. B. When there are remarkable differences in the thickness of Iron castings, one of No. A, C and D of type Y may be used, and the type of specimen shall
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