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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
! x* F" F b K" `- ]' J( UUNS G11440, ASTM A29, ASTM A108, ASTM A311, FED QQ-S-637 (C1144), SAE J403, SAE J412, SAE J414
+ V1 [' ^: b# {' N" g/ jApplications 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.
2 h% o2 s: G! l; E& l
9 _; c- N. m: N. C+ u. D; c$ A' WComponent Wt. %
6 h, B" n- {$ t; ]
" ]. y( S# @0 A& h8 C( S* ` & }3 l+ O! ^* e5 q" h
C 0.4 - 0.48
8 ?; c$ a" ?( F: f+ kFe 97.5 - 98.01 / y, @% l* \! G5 Q' x* l, F- [3 g
Mn 1.35 - 1.65 # ^8 L# W1 A% b7 r& C4 ]1 X9 D
P Max 0.04
: q2 d5 g8 d" U- ]. S( QS 0.24 - 0.33 z$ r2 L# c; ~, J; E
3 W; a1 ] T5 r! K9 ~6 q6 ~9 h" JDensity 7.87 g/cc - x, y# ]! R/ p! ~/ S% U
Hardness, Brinell 192 192
. n7 d% b: t9 ?8 K* UHardness, Knoop 214 214 Converted from Brinell hardness. ) ]3 h3 l( U6 k# x/ N
Hardness, Rockwell B 91 91 Converted from Brinell hardness. 3 L3 [" h6 [% R9 j+ B( h& d% D3 E
Hardness, Rockwell C 11 11 Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
0 s5 {$ J6 v5 b& ]8 e$ h% BHardness, Vickers 201 201 Converted from Brinell hardness. ; K/ Z) w- _* n; Q
Tensile Strength, Ultimate 650 MPa 94300 psi ' i0 g; ^; y2 }: o
Tensile Strength, Yield 425 MPa 61600 psi ) I2 ^/ r; i. J$ T0 z
Elongation at Break 24 % 24 % & |- }: \# K" ~
Reduction of Area 57.7 % 57.7 % 5 ~- j3 O6 H6 d% q* R& s$ d
Modulus of Elasticity 200 GPa 29000 ksi Typical for steel 3 ]/ R, K3 c( D* _& V1 r2 L3 o6 {
Bulk Modulus 140 GPa 20300 ksi Typical for steel. - v" N* [8 L# J! o+ @' q2 p
Poisson's Ratio 0.29 0.29 Typical For Steel ; Z1 [$ D( F7 R+ A8 d
Izod Impact 43 J 31.7 ft-lb normalized at 900?C, 65 J annealed at 815?C, 53 J as rolled * J: t! p7 r: I0 a2 d4 j
Shear Modulus 80 GPa 11600 ksi Typical for steel. |
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