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签到天数: 200 天 连续签到: 1 天 [LV.7]常住居民III
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发表于 2009-11-24 17:26:36
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6.1 Chemical Composition3 n& j2 t4 F: ]0 ~" _: L9 e6 p9 z
2 _4 @7 E! Y. j2 \ QThe chemical composition of castings made to this specification shall conform to the requirements in the following table:- ?8 d2 x4 H: E% t: z' z0 `5 v) k8 `
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Element Weight %
/ i) A( f0 n4 I- x/ `, d Minimum Maximum
4 J+ a3 H. Q1 k9 MCarbon - 2.0" ]( P5 b; a+ q; Q* @
Silicon 4.8 5.3
# g+ p) |' a- B* z4 ^" V9 s7 _7 U0 nNickel 34.0 38.0
# p; y" [$ M% O: z8 \4 m) v: i) C% RChromium 1.6 2.2
0 \* ]* X0 D6 q, V ]% m7 @Manganese - 0.7
) t) u" g' H1 ?# }0 D- d( pMagnesium 0.035 0.09
: l% l1 S. j3 y2 s! R* ^9 EPhosphorus - 0.07
" m+ Q# _" r# i6 `; Y) B* L. U0 CSulphur - 0.03
) P" a" E( S8 q& U P5 \Rare Earth (total) - 0.01
5 t, o( T& L3 y( J) H5 @* Others (each element) - 0.2! I- j7 `# B9 f, w, i) s
* Others (total) - 2.07 c3 @( l2 G! K! `9 w) s# X
Iron Balance
# o1 p3 i9 ], R7 M, }& T9 l+ H0 ?3 [1 g' f
* See section 6.2.1
1 x( z) n6 e, ]2 d. j: t7 ]你看和这个材料要求是否相近。 |
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