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发表于 2010-2-26 12:25:18
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来自: 中国北京
本帖最后由 VICTORLUO888 于 2010-2-26 12:27 编辑 $ V1 m9 j" i: K$ U1 \$ S- P! I- f
# \+ `; f3 e" b- c8 ]对应球铁标准ASTM A536,材质只是参考参数,如下:
( J \# o" ^3 F; m" g/ ^# G) R' t65-45-12 国标QT450-10
% c$ E0 R3 y; ]% I/ q& @; {; G. uCarbon (C) 3.25-3.75 Chromium (Cr) 0.25 max1 ]( p* \+ ?( ] t8 B# @
Silicon (Si) 2.25-2.60 Sulfur (S) 0.015 max
* Q A2 C1 {6 C R- {Manganese (Mn) 0.2-0.5 Phosphorus (P) 0.080 max
- K$ ^" U5 l9 u( ]6 y: u0 uNickel (Ni) 0.5-1.0
, `$ j6 H8 \% l80-55-6 国标QT500-79 g, o0 w2 @/ f3 m5 i3 U
Carbon (C) 3.0-3.8 Copper (Cu) 0.3-0.7 (optional)**0 Q M3 H; J) M
Silicon (Si) 2.0-2.6 Chromium (Cr) 0.025 max
* h9 s5 G3 m, z- e' R8 t0 z7 SManganese (Mn) 0.5-1.0 Sulfur (S) 0.015 max
6 v" b. {, x, o" u1 D6 Y3 sMolybdenum (Mo) 0.35-0.50 Phosphorus (P) 0.08 max
1 s8 ?" b. g+ I4 z" kNickel (Ni) 0.5-1.0, y1 w1 [' x- i% D: {9 f. ]
ASTM A48是灰铁的标准,其中30对应国标HT250,参考化学范围如下:
/ @' A4 ?2 E! H, V$ @/ |Carbon (C) 2.9-3.5 Chromium (Cr) 0.25 max5 J, i, B& k, E& \1 U/ G" e
Silicon (Si) 1.9-2.3 Sulfur (S) 0.20 max
- v& W- M1 A9 zManganese (Mn) 0.5-0.9 Phosphorus (P) 0..20 max |
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