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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
5 I+ b4 t: B4 V2 m) x5 K% jUNS G11440, ASTM A29, ASTM A108, ASTM A311, FED QQ-S-637 (C1144), SAE J403, SAE J412, SAE J414
2 H) B/ R- h- x# _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.
; w: O7 G* Q) \8 i& t. {) e) b& B5 B S. A$ B0 B1 G7 y) V; {5 R
Component Wt. % & c+ Q" F& d4 G8 c: P6 B/ `5 L
; E6 r6 S5 f& L& z4 F- l 9 }% E2 i% A3 ^; E
C 0.4 - 0.48 ( E! C7 N; p, T
Fe 97.5 - 98.01 4 K. M5 ~0 s4 o( r$ {9 H
Mn 1.35 - 1.65 & [8 U# B& U' n2 Z7 H
P Max 0.04
% _1 ?1 G5 ~" qS 0.24 - 0.33 3 R6 G) {, `5 L' A
" R- g( F% i' ~( ?1 A" m3 E7 NDensity 7.87 g/cc 1 Y$ q- W5 Z) ~. n* H# m5 O
Hardness, Brinell 192 192 / C i$ T. y7 l, N9 u
Hardness, Knoop 214 214 Converted from Brinell hardness. ) U: F, ]5 B0 v f7 }
Hardness, Rockwell B 91 91 Converted from Brinell hardness. ' Q- @) r% J* g9 m+ s1 {
Hardness, Rockwell C 11 11 Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
# w' M0 v. F: z/ BHardness, Vickers 201 201 Converted from Brinell hardness. $ w& O: ^! ? R2 g, J
Tensile Strength, Ultimate 650 MPa 94300 psi
) F% ^ m# e7 G, aTensile Strength, Yield 425 MPa 61600 psi
& E. I2 k) I, S' ?Elongation at Break 24 % 24 %
- q- m2 L1 I0 x* @- T: _Reduction of Area 57.7 % 57.7 %
$ r" Y$ Z% p( o- U" ZModulus of Elasticity 200 GPa 29000 ksi Typical for steel - Y- N$ C- O9 H& r/ m, N# y
Bulk Modulus 140 GPa 20300 ksi Typical for steel.
+ i9 O' s: _1 q6 H( o, t- {Poisson's Ratio 0.29 0.29 Typical For Steel
1 _1 y, ?- U7 \Izod Impact 43 J 31.7 ft-lb normalized at 900?C, 65 J annealed at 815?C, 53 J as rolled & d% D7 q! |- F: c8 V7 J
Shear Modulus 80 GPa 11600 ksi Typical for steel. |
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