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发表于 2010-3-7 16:56:38
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来自: 中国辽宁大连
C1144相关标准! }2 W/ R+ F( F& y: X# Y6 Z
UNS G11440, ASTM A29, ASTM A108, ASTM A311, FED QQ-S-637 (C1144), SAE J403, SAE J412, SAE J414
7 }) \0 D$ u2 Y- t7 C: z' j6 ]Applications include cold drawn or finished bar, cold punched nuts, split rivets, machine screws, and wood screws. Post oil quenched hardness: 30 HRC surface, 27 HRC half-radius, 22 HRC center.6 z8 S4 S% v3 P8 n3 S
% O! S; @/ k' U7 i+ ^$ l
Component Wt. % ) v% u/ a9 n: C5 K) N- l( ?6 G, l
2 s' |" k0 l5 f% h0 s% E$ | M' p; ~
4 d! o1 _7 }9 \2 V- uC 0.4 - 0.48 2 S# n2 I7 B9 _: W9 `9 E' H# ?: [
Fe 97.5 - 98.01 k5 O$ t$ f0 n* F' W! M
Mn 1.35 - 1.65
. H9 F0 t& a, T9 r0 B& A- A oP Max 0.04 . k" q( ?( N7 g- ?8 {' _5 G
S 0.24 - 0.33 ( G# i: N3 A! p6 r l5 H
; V; Z% n8 @/ MDensity 7.87 g/cc ! v, o ~9 o' ~5 K( m( j
Hardness, Brinell 192 192
0 C' G7 C* @' l5 j+ vHardness, Knoop 214 214 Converted from Brinell hardness.
# N# z; M( U' K% @ vHardness, Rockwell B 91 91 Converted from Brinell hardness. 0 J, E2 q; B/ ^5 h0 @
Hardness, Rockwell C 11 11 Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only. ; V& B$ T4 r$ i, ^
Hardness, Vickers 201 201 Converted from Brinell hardness.
' ^9 X" w: h: j' OTensile Strength, Ultimate 650 MPa 94300 psi
9 U5 s: ?; |: DTensile Strength, Yield 425 MPa 61600 psi
) t% |/ w) u6 @+ R( yElongation at Break 24 % 24 % : w/ A- k" E- O$ A2 l6 ?
Reduction of Area 57.7 % 57.7 %
* M- y3 y4 T; x1 F. h1 n* U0 TModulus of Elasticity 200 GPa 29000 ksi Typical for steel 7 V2 n3 [3 _3 ?! S
Bulk Modulus 140 GPa 20300 ksi Typical for steel. ) w4 ?3 C5 P4 \/ o
Poisson's Ratio 0.29 0.29 Typical For Steel
`9 Y* J% y; v4 A6 \Izod Impact 43 J 31.7 ft-lb normalized at 900?C, 65 J annealed at 815?C, 53 J as rolled ' f' q4 ]6 R" D; ^
Shear Modulus 80 GPa 11600 ksi Typical for steel. |
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