1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-1905 Grey Iron Castings for Piston Ring Uses This standard may be applied only for current project. It is Superceded for all future projects and replaced by GMW4. Fp3B*7 :0= Note: 8 E:48t G8 =9 7 FF7 957%L+ , FG P-P Program.Bd# GMW4 ) $4
2、=F7 957F$ . Copyright 2011 General Motors Company All Rights Reserved April 2011 Originating Department: GM Korea Engineering Standards Page 1 of 5 Version : 4 1 Scope 1.1 Material Description. This standard specifies grey iron castings for piston ring uses used by GM Korea Company (hereinafter refe
3、rred 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 “$-1 ( F )72P 17F# Fp3B*7 D1 H 7$ :0=E7 $4F 9IF$ . 1.1.1 9* -C 7$ (=l ). Table 1: Type and Use / E 1: 9* -C 7$ Type / 9* Uses / 7$ Applications / 957 707 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM
4、 A438 ISO 6506 ISO 6508 KS B0808 2.2 GM E:4 / . EDS-T-7101 GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents 3 7 1F 3.1 GF 2e. . Table 2: Chemical Composition (Unit: wt%) / E 2: GF 2e. ($88 : wt%) Type / 9* C Si Mn P S FCPR (3.54.0) (2.33.0) (0.50.8) 0.350.60 0.12 max / 0.1
5、2 8F GM KOREA ENGINEERING STANDARDS EDS-M-1905 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 2 of 5 Version : 4 Remark: Values in Table 2 are the reference values on which the qualities of castings are controlled and compositions other than P, S shall not be regulated. /
6、/x : E 28 F8t :0,p E:8x 4*Fd 88F =lF8+ P, S 878 2e.8t 9PF: 6#$ . 3.2 Mechanical Properties 3.2.1 Brinell Hardness (HB, F=30D2). 200 ) 300. Mean value of measurements of three locations of Piston ring (First measuring location: GAP part of piston ring, second measuring location: 90o from GAP and thir
7、d measuring location: 180o from GAP). 3.2.2 Rockwell Hardness (HRB). 95 ) 107. 3.2.3 Bending Test (N/mm2). 350 min. (reference value). 3.3 Microstructure. 3.3.1 Microstructure of castings shall satisfy Table 3 according to EDS-T-7101 Method of Microscopic Test for the Microstructures in Cast Iron by
8、 the Structure Rating Chart. 3.2 d95 2e: . 3.2.1 /*“ $ (HB, F=30D2). 200 ) 300. Fp3B* 3.88 ?U9IF8 D?) F$ . (=-;, ?U9I.88 : Fp3B*8 GAP .88 , %-;, ?U9I.88 : GAP8p) .Bd 90.88 , 2l-;, ?U9I.88 : GAP8p) .Bd 180.88 ) 3.2.2 )A 8$ $ (HRB). 95 ) 107. 3.2.3 F9) &%8 F8 666 F$ . 3.5 4G . 3.5.1 +& 4G 8t 235 E72P
9、44F$ . 3.5.3 4G . ASTM A438: Standard Test Method for Transverse Testing of Gray Cast Iron. EDS-T-7101: Structure Rating Chart7 8F :0=8 G8-, 9: 4G - . GM KOREA ENGINEERING STANDARDS EDS-M-1905 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 3 of 5 Version : 4 ISO 6506: Brin
10、ell Hardness Test. ISO 6508: Rockwell Hardness Test. KS B0808: Bending Test Piece for Metallic Materials. ISO 6506: Brinell Hardness Test. ISO 6508: Rockwell Hardness Test. KS B0808: 8 88x 7 , F6* 72T8p) F$ . 5.3 1 -C -L)X . GM 8-LE:47 8F 9P%P .E8! 8*8 4G D8t ., 8-LE:47 9I%P 4G 8x 7 98x +94P6 F+ , 6
11、1 )= 987 :04 .2P8 388x -O6x6 F$ . &H88 , d# , 22e , 9P9 )9I ,* /D# 21: &%0 4)%P 6&F -8($ -P2%T 7 , 1)7 388x -O6x6 F$ . $* F84 6# F , 8-L958p) 4 4=8x F6 F$ . -$8 GE84 6# F , )=8# 38%L: 68t 9PE8 61 )= 987 +& F$- 4G 8x -L.) 3LFF 0* ,l2PGF6 F$ . 8. 77 86 :04 .2P7t )=888 F87 8F $%P : 4G 8x 44F 3L 8$ . 5.
12、4 FF2P# 6| %P$ . GM KOREA ENGINEERING STANDARDS EDS-M-1905 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 4 of 5 Version : 4 5.5 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when a change in chemical composition of an existing
13、product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS/SDS requirements. In addition, product MSDS/SDS
14、submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.6 All materials supplied to this standard must comply with the requirements of GMW3059, Restricted and Reportable Substances for Parts. 6 A
15、pproved Sources Engineering qualifications of an approved source are required for this standard. Only sources listed in the GM Materials File under this standard number have been qualified by Engineering as meeting the requirements of this standard. For other GM locations, the responsible Engineerin
16、g group should be contacted to obtain the approved source in that individual country. 7 Notes 7.1 Glossary. Not applicable. 7.2 Acronyms, Abbreviations, and Symbols. GHS Globally Harmonized System MSDS Material Safety Data Sheet SDS Safety Data Sheet 8 Coding System This standard shall be referenced
17、 in other documents, drawings, etc., as follows: 5.5 ,p:6|98.(8* / 6|98.(8* (MSDS/SDS). 49PE8 )= D# d97 )=%L# 9PE ! GF,p: 92e8 -%P 7 , GF ,p: .* y E47 4F 2l 9G 43B (GHS) D# 5 :7!- ,p:6|98.(8* / 6|98.(8* 7 1F8x +9F# ,p:6|98.(8* / 6|98.(8* 9PF6+ F$ . 4958p) 9PE8 ,p:6|98.(8* / 6|98.(8*# GM8 ,p:6|98.(8*
18、 / 6|98.(8*7 4F :?8 TMC0038 7 1F8x :43LF6+ F$ . 5.6 ., E:47 9P4%P +& 8:&8t GMW3059 (8TF,p: 179P )8 9P* &d(6 F$ . 6 38 6= 8 E:48t 38%P 6=7 $4F d3T95 :8x 7F$ . 8 E:47 8F d3T958 :8 7x*%P GM 88 +2l7 !7(%P 6=+8 8 E:48 7 1F8x 94A$ . $* :7!7 88?F GM 8 7 , F$- 4-) 38%P 6= 9I.(* 83LFd 88F2P# F$- :04 .2P7t GE
19、8F6 F$ . 7 768 9I8 7.1 98,l 76 . F$-1F 68 . 7.2 66 -C dGl . GHS Globally Harmonized System MSDS Material Safety Data Sheet SDS Safety Data Sheet 8 Ed - $* ,l2P! $+ &%72P ., E:48 87%T &# $80 M8 EdF$ . FCPR (EDS-M-1905) Material Specification Number / 8: E:4 -Gl Type / 9* GM KOREA ENGINEERING STANDARD
20、S EDS-M-1905 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 5 of 5 Version : 4 9 Release and Revisions This standard was originated in July 1994. It was first approved by Engineering Standard Committee in July 1994. It was first published in July 1994. 9 9P9I -C P9I 8)Y .,
21、 E:48t 1994 “x 7 87 E:4 -Gl4 .7 %L6 , d3TE:41,h7 8F 1994“x 787 38%L6$ . ., E:48t 1994“x 787 ) 9P9I / -PF%L6$ . Issue / P9I8)Y Publication Date / 38 88 Description (Organization) / 9PP9I76 (:04.2P ) 4 APR 2011 Apply new Engineering Standard Template and change the referenced test standards. Superceded (Corrosion / Metallurgical Material Lab Team) / 4 d3TE:4 64 957 -C 957 4G - - . F9I957 =* (28*4G D4 ) Cross Index (Reference) / $48 /x (=l ) EDS-M-1905 OPEL FCPR QS13MR00
