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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
. L& y) `! I) K5 o" Y' H AISI 8860 Names Nickel-chromium-molybdenum steel ( U" R8 X$ F8 c1 F6 f
Designations United States: ASTM A322 , ASTM A332 , ASTM A506 , ASTM A519 , ASTM A711 , SAE J404 , SAE J412 , SAE J770 , UNS G86600 8 j" S+ L8 Y: l% q2 r+ Q
Composition
) E3 k5 b- k/ s1 D d+ j Element Weight % 6 d5 G' n) ~0 U% j
C 0.56-0.64 9 L( |- r( q1 g w9 d
Mn 0.75-1.00
/ w" ~2 W3 s& r" |8 ]6 ~3 fP 0.035 (max) ( p8 T: J+ Q9 X! }
S 0.04 (max)
4 K8 T- N7 Y: c( z1 L' X& W$ i$ lSi 0.15-0.30
: q9 o, [9 S$ i' Q* RCr 0.40-0.60 $ {2 r8 Q8 W. r5 |+ A
Ni 0.40-0.70 1 \8 l0 `! N8 Z% S( M
Mo 0.15-0.25
2 {2 l1 h: f0 X2 L Precision castings# j8 N, `7 ]6 S. c# y
specializes in all kinds of precision castings.* N6 A: x! s6 ?8 ]$ R) I5 R3 C1 o
( L2 o* {6 o- O1 Y6 n$ v* R
Mechanical Properties
9 M6 X2 f- f: X7 k" ], ^ Properties Conditions
4 M: t6 [! @9 k% i1 DT (°C) Treatment 0 V# ], N" v; x
Density (×1000 kg/m3) 7.7-8.03 25 0 _8 z; o: b# w' S
Poisson's Ratio 0.27-0.30 25
, @- S& E2 L2 \Elastic Modulus (GPa) 190-210 25 0 U& f% F9 Z0 R, {
Tensile Strength (Mpa) 1634 25 oil quenched, fine grained, tempered at 425°C more - r/ Q1 F. e- _0 o5 @" B
Yield Strength (Mpa) 1551 1 @ U& Y2 A, Y; s2 ?' w4 ]2 j+ V
Elongation (%) 13 " d6 [) l0 g; ^- R8 p
Reduction in Area (%) 37 . t/ d! _* {% c9 O1 E" p
Hardness (HB) 580 25 oil quenched, fine grained, tempered at 205°C more |
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