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发表于 2009-7-29 11:33:06
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来自： 中国台湾
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AISI 8660
' Z$ V( S4 Y1 E2 e AISI 8860 Names Nickel-chromium-molybdenum steel ( C) Q& W; p- {
Designations United States: ASTM A322 , ASTM A332 , ASTM A506 , ASTM A519 , ASTM A711 , SAE J404 , SAE J412 , SAE J770 , UNS G86600 . G" ~0 f8 L0 _9 \
Composition
& @4 q' H& I" p Element Weight % + \/ A3 J% V$ q/ P! N" b! C
C 0.56-0.64 $ h. g' l9 l5 N9 v
Mn 0.75-1.00 % T, ]$ `: d. a$ [# |) c
P 0.035 (max) # _; W) A) A$ ^" W B
S 0.04 (max)
" v$ {) G. j/ JSi 0.15-0.30 - @; A. N; J \; e h. T$ v
Cr 0.40-0.60
% @5 h/ y- F: ANi 0.40-0.70
. X6 d3 h- g- [3 I4 W8 \! PMo 0.15-0.25
5 A4 {% l' G, A4 [ Precision castings
0 q& b$ ]+ h4 k% O2 ~* U. mspecializes in all kinds of precision castings.
, p# x5 Z( a9 ~6 R2 R4 ?: \. e0 C3 r+ y2 y6 }% [
Mechanical Properties 1 t5 t4 e/ {+ F$ \8 v9 t5 P
Properties Conditions % p3 A' @+ k% @, q6 m" ~& u4 h
T (°C) Treatment . P+ d$ A* h7 J) ~8 U
Density (×1000 kg/m3) 7.7-8.03 25 t/ Z$ f$ s& B) H- Z5 o5 H
Poisson's Ratio 0.27-0.30 25 * h0 {% M" h' b+ k) f* D9 l
Elastic Modulus (GPa) 190-210 25
: a0 ~ G4 v0 Z0 L' B2 C) D: e/ }Tensile Strength (Mpa) 1634 25 oil quenched, fine grained, tempered at 425°C more $ }; P* r& m- H3 n k h7 C& Z
Yield Strength (Mpa) 1551 2 ? W% ] V7 h0 h0 s5 A
Elongation (%) 13 + M' }5 Y# j8 Y
Reduction in Area (%) 37
1 @$ m# y) K- nHardness (HB) 580 25 oil quenched, fine grained, tempered at 205°C more |
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