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发表于 2010-2-26 12:25:18
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本帖最后由 VICTORLUO888 于 2010-2-26 12:27 编辑
3 ~* a$ @5 m& ^2 m* f% I0 P- n+ T# E5 [
对应球铁标准ASTM A536,材质只是参考参数,如下:
9 ]+ i' K7 z( O65-45-12 国标QT450-10
" ?0 A W& _; K7 X2 kCarbon (C) 3.25-3.75 Chromium (Cr) 0.25 max
+ r6 T. s! a5 {8 T( pSilicon (Si) 2.25-2.60 Sulfur (S) 0.015 max
) C. f) r! M( D: \Manganese (Mn) 0.2-0.5 Phosphorus (P) 0.080 max
# q: E" c3 s1 I9 T4 [ ]+ uNickel (Ni) 0.5-1.0
; C t5 G7 o. `6 W80-55-6 国标QT500-7! f+ P h5 ]3 {& J$ V( d( r
Carbon (C) 3.0-3.8 Copper (Cu) 0.3-0.7 (optional)**
! K0 \6 e$ ?- J8 a3 |2 QSilicon (Si) 2.0-2.6 Chromium (Cr) 0.025 max' Z/ w0 v7 w: G
Manganese (Mn) 0.5-1.0 Sulfur (S) 0.015 max$ h! ^8 e7 R# b' N/ H
Molybdenum (Mo) 0.35-0.50 Phosphorus (P) 0.08 max6 Y1 g# z2 f+ v& W" J7 \
Nickel (Ni) 0.5-1.06 f" V0 J5 h0 P
ASTM A48是灰铁的标准,其中30对应国标HT250,参考化学范围如下:
8 D0 f' N+ r6 F. a/ C+ V* O6 f% hCarbon (C) 2.9-3.5 Chromium (Cr) 0.25 max
- D O$ S4 I4 K7 D7 JSilicon (Si) 1.9-2.3 Sulfur (S) 0.20 max
8 P1 }, G1 D" w$ e1 L, PManganese (Mn) 0.5-0.9 Phosphorus (P) 0..20 max |
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