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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
# w9 v1 V( B' p/ Y* H AISI 8860 Names Nickel-chromium-molybdenum steel & d% |1 S' w1 K) z# s/ z
Designations United States: ASTM A322 , ASTM A332 , ASTM A506 , ASTM A519 , ASTM A711 , SAE J404 , SAE J412 , SAE J770 , UNS G86600
: _2 T# P% N; b# }Composition ' u4 _5 g/ X) F
Element Weight %
/ ]* o+ [/ c+ K. E4 bC 0.56-0.64 8 i/ }% h0 _4 h$ t
Mn 0.75-1.00
$ V; L9 t, W% a) B6 `! L" `& L9 QP 0.035 (max) 6 G7 [) O. j" P2 f& i6 d
S 0.04 (max) ( s: Q- X9 P9 K' e; H
Si 0.15-0.30 $ B& s% ]5 B+ @8 z" Z
Cr 0.40-0.60
' b& h# Z. w. F, CNi 0.40-0.70 * u1 i! l8 y+ q/ [: Y& J
Mo 0.15-0.25 0 `2 i4 n# N" j% s9 S1 [2 b; R/ u
Precision castings
. A2 E" ^& h2 E9 Ospecializes in all kinds of precision castings.2 I+ D) M9 K& v9 k& o+ U2 H1 c$ l+ l
! ]2 S) s K! V9 M9 X* ZMechanical Properties
. W+ t4 P M2 b- J) { Properties Conditions
; U; x- {4 c& K0 ^; `% _T (°C) Treatment
/ t, x# k2 c2 a8 d+ N0 d: NDensity (×1000 kg/m3) 7.7-8.03 25
" D5 l, H& h0 ]3 | |Poisson's Ratio 0.27-0.30 25 8 T! I; l) Z/ }, O7 ^# T4 a c5 @
Elastic Modulus (GPa) 190-210 25 " q' ]( m1 B7 R# R. M j
Tensile Strength (Mpa) 1634 25 oil quenched, fine grained, tempered at 425°C more
% M( g& p5 z U% J! K) m K2 C1 V0 lYield Strength (Mpa) 1551
: l& u$ H4 S6 b1 P4 u) c7 ]7 g! j: qElongation (%) 13 3 y& j$ m) ~$ H I/ @
Reduction in Area (%) 37 $ V1 {# G7 M! v- T$ _" |, C+ B3 _/ H* w
Hardness (HB) 580 25 oil quenched, fine grained, tempered at 205°C more |
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