GMKOREA EDS-M-2401-2011 Magnesium Alloy Die Castings (VERSION 4 English Korean This standard may be applied only for current project It is Superseded for all future projects and re.pdf
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1、 ENGINEERING STANDARDS Material Specification SUPERCEDED EDS-M-2401 Magnesium Alloy Die Castings This standard may be applied only for current project. It is Superceded for all future projects and replaced by GMW3028. $8?3D97 *,“X3 F07 38%P E:48x 957F$ . 2.1 17 E:4 / . ASTM E23 DIN 50142 KS D1749 KS
2、 D2022 KS D2023 KS D2024 KS D2025 KS D2026 KS D2027 KS D2028 2.2 GM E:4 / . GMW3059 2.3 dA E:4 / . TMC003 Material Safety Data Sheet guidance documents GM KOREA ENGINEERING STANDARDS EDS-M-2401 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 2 of 6 Version : 4 3 Requirement
3、s 3.1 Chemical Composition 3 7 1F 3.1 GF 2e. . Table 2: Chemical Composition (Unit: wt%) / E 2: GF 2e. ($88 : wt%) Type / 9* Al Mn Zn Si Cu Ni Fe Mg AZ91D 8.3 ) 9.7 0.15 min. / 0.15 81 0.35 ) 1.0 0.10 max. / 0.10 8F 0.030 max. / 0.030 8F 0.002 max. / 0.002 8F 0.005 max. / 0.005 8F Residue / !+l: AM6
4、0B 5.5 ) 6.5 0.25 min. / 0.25 81 0.22 max. / 0.22 8F 0.10 max. / 0.10 8F 0.010 max. / 0.010 8F 0.002 max. / 0.002 8F 0.005 max. / 0.005 8F Residue / !+l: AM50A 4.4 ) 5.4 0.26 min. / 0.26 81 0.22 max. / 0.22 8F 0.10 max. / 0.10 8F 0.010 max. / 0.010 8F 0.002 max. / 0.002 8F 0.004 max. / 0.004 8F Resi
5、due / !+l: AS41B 3.5 ) 5.0 0.35 min. / 0.35 81 0.12 max. / 0.12 8F 0.50 ) 1.5 0.020 max. / 0.020 8F 0.002 max. / 0.002 8F 0.0035 max. / 0.0035 8F Residue / !+l: Remark 1: The Fe content exceeding the values specified above may be allowed provided that Fe/Mn ratio is not higher than those stated belo
6、w. Fe/Mn ratio AZ91D: 0.032 max. AM60B: 0.021 max. AM50A: 0.015 max. AS41B: 0.010 max. Remark 2: Other impurities and intermetallic compounds shall not exceed 0.02% respectively. Remark 3: All alloys may contain 0.0008% min. of Be to prevent oxidation. / /x 1: GF2e. :E Fe F(8 8x I$ (N/mm2) 160 130 1
7、13 140 GM KOREA ENGINEERING STANDARDS EDS-M-2401 Copyright 2011 General Motors Company All Rights Reserved April 2011 Page 3 of 6 Version : 4 Designations / F+ AZ91D AM60B AM50A AS41B Elongation (%) / 48 (%) 0.5 ) 3.0 4 ) 8 10 3 ) 6 Impact strength (J)Note 1 / I$ (J):0 1 6 17 18 4 Shearing strength
8、(N/mm2) / 98$I$ (N/mm2) - - - 140 Fatigue strength (N/mm2)Note 2 / Fp)I$ (N/mm2) :0 2 50 ) 70 50 ) 70 - 50 ) 70 Hardness (HB5/250) / $ (HB5/250) 65 ) 85 55 ) 70 60 60 ) 90 Remark: The values in Table 3, which are the result of testing with separately cast test specimens, are not standards but only f
9、or reference. Note 1: Test result with no-notch test specimens according to ASTM E 23. Note 2: Alternating bending fatigue test (5106 cycles) - DIN 50142. / /x : E 38 F8t -$) :09%P 4D8x 87 4G F 0) 8 6x#+ , =l?8 . :0 1: ,h“? 4G D8x 87 ASTM E 237 &d( 4G F 08 . :0 2: 6: H Fp)4G (5 106 CYCLES) - DIN 501
10、42. 3.3 Casting Condition. 3.3.1 The surface shall be smooth and free from internal and external defects harmful to use, such as cracks, blowholes, etc. 3.3.2 It shall not be repaired by welded after die casting in any case. 3.3.3 The dimension of casting after die casting shall confirm to the drawi
11、ng. 3.4 Surface Treatment. It may be subjected to surface treatment or painting for corrosion resistance or decoration as required by the purchaser. In this case, an accurate specification of the surface treatment shall be indicated in the drawing. 3.5 Test. 3.5.1 All tests shall be performed at 235
12、 E . 3.5.2 Test Standards. KS D2022: General Rules for Chemical Analysis of Magnesium Alloys. KS D2023: Method for Determination of Aluminum in Magnesium Alloys. KS D2024: Method for Determination of Zinc in Magnesium Alloys. KS D2025: Method for Determination of Manganese in Magnesium Alloys. KS D2
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