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发表于 2009-11-24 17:26:36
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6.1 Chemical Composition9 C: A( ~0 N3 A1 c1 n: I7 `# \
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The chemical composition of castings made to this specification shall conform to the requirements in the following table:
( C; f# e1 ]0 I0 e! [2 G4 [. q2 h" B; q! r
Element Weight %
% i- O- @; m9 j5 e( s1 s! Z( i Minimum Maximum D* P; N: }8 @! K' A. m/ S9 J
Carbon - 2.0
# H+ m% E' \* N. K& Y1 C6 c; Y3 ISilicon 4.8 5.3
5 i7 |' D5 t+ D% b1 xNickel 34.0 38.0! g* U6 K3 s1 x ? P# i% W5 i
Chromium 1.6 2.2( i7 R1 E8 v, b" M% b
Manganese - 0.7
% g; L& a- h+ g1 S; DMagnesium 0.035 0.09
$ t, K: F; C$ K$ {: B1 ^9 iPhosphorus - 0.07
4 l4 M% j; [ P3 d3 G* WSulphur - 0.03) j; n q4 \7 J) U0 [- B
Rare Earth (total) - 0.01+ l: \% p/ i& b) m4 X8 r
* Others (each element) - 0.20 \& a' m0 N$ i
* Others (total) - 2.0% S3 |; Q2 t- L7 n4 f
Iron Balance* m' A4 l8 a( H ^) Y* R. R
! r: {3 @6 U9 S6 Z1 m* See section 6.2.1
1 E7 \' X5 p+ C. n$ q你看和这个材料要求是否相近。 |
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发表于 2009-11-26 19:38:02
