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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 & i% r: S% Z- p( B" \7 ~; h5 ^7 L
AISI 8860 Names Nickel-chromium-molybdenum steel ' g% E& D. ?/ P' h& L
Designations United States: ASTM A322 , ASTM A332 , ASTM A506 , ASTM A519 , ASTM A711 , SAE J404 , SAE J412 , SAE J770 , UNS G86600
3 `9 b9 U$ V; C/ U7 q- i! qComposition 9 z$ X" }) a& ~
Element Weight % 3 e* I8 [' l4 w/ c
C 0.56-0.64 4 X; q$ o. `; ~
Mn 0.75-1.00
/ C6 W; }8 D) T) q/ P* i$ pP 0.035 (max) ) L3 D+ x7 K& O8 q! C8 B
S 0.04 (max) 5 R+ b2 d5 S7 j3 O6 O0 Y U5 ?+ l
Si 0.15-0.30 0 j2 L' I! }7 n h5 X5 H" ]! n
Cr 0.40-0.60
4 U7 z* t( l" iNi 0.40-0.70
7 p/ o3 m, n, Y3 e a2 N0 JMo 0.15-0.25
; J! L% O' x; R( \% ?& k( z Precision castings9 F/ f8 _1 R* f! F8 t$ b# Z
specializes in all kinds of precision castings.
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8 \: d! w d/ f- u. QMechanical Properties
$ h( W! m% {9 f3 K9 ^ Properties Conditions
" n( a) J5 Q, H" L mT (°C) Treatment
: p1 n6 W r9 h1 ^Density (×1000 kg/m3) 7.7-8.03 25
, N8 u" }, U' X8 SPoisson's Ratio 0.27-0.30 25
6 v2 B! N% K8 n, |Elastic Modulus (GPa) 190-210 25 7 u H. L+ k# I- c& B4 I9 N
Tensile Strength (Mpa) 1634 25 oil quenched, fine grained, tempered at 425°C more
$ U2 Z( N% f9 H. r$ R/ WYield Strength (Mpa) 1551
' u* T1 ]0 h, p3 {! M6 x* ?, T4 ^ HElongation (%) 13
. N. ~' b" S! eReduction in Area (%) 37 j0 E- K7 t g- d6 t" y9 Z6 A: r# h
Hardness (HB) 580 25 oil quenched, fine grained, tempered at 205°C more |
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