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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 B$ B z0 G8 N, H- fUNS G11440, ASTM A29, ASTM A108, ASTM A311, FED QQ-S-637 (C1144), SAE J403, SAE J412, SAE J414
7 u6 P5 f! t" b- ?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.
+ t: |, Z/ W# H
U" p- N1 o- `) s) [: h5 OComponent Wt. % 6 {7 t0 R* T5 }4 a( [! ^# H1 K
" L+ a+ x* L1 @+ L6 p. L) i
7 O% i* X1 z/ X) N3 }' qC 0.4 - 0.48
/ [) Z' T- M! s7 DFe 97.5 - 98.01
. }8 I7 W( c7 j0 T/ B. ?. V5 W9 s% QMn 1.35 - 1.65
7 }; l2 z( [7 y5 CP Max 0.04
, R$ d3 \( w6 F$ Q, o/ [8 dS 0.24 - 0.33 " q. a" j$ @+ V4 b( B0 `
% P4 F+ L7 V) h: RDensity 7.87 g/cc
2 g3 y4 e& Q) F: NHardness, Brinell 192 192
9 m8 B" g8 W' a! [0 x7 [4 IHardness, Knoop 214 214 Converted from Brinell hardness. 4 ~% P; i# B; M( G) F' W7 i
Hardness, Rockwell B 91 91 Converted from Brinell hardness.
" x; L+ |) @+ p3 m" ~$ uHardness, Rockwell C 11 11 Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
! _+ N+ a: `7 L1 R& ]Hardness, Vickers 201 201 Converted from Brinell hardness. $ E7 n2 u8 V' y; S
Tensile Strength, Ultimate 650 MPa 94300 psi # x- I4 ~9 y# d4 ?5 q
Tensile Strength, Yield 425 MPa 61600 psi 1 g' {2 R" L0 D' R. L7 i5 |: d8 @
Elongation at Break 24 % 24 %
+ R+ |6 E" @3 G) {# x" ?6 cReduction of Area 57.7 % 57.7 % 7 ?+ g8 N) C" I2 ]5 ^( `* R3 L% v
Modulus of Elasticity 200 GPa 29000 ksi Typical for steel
. L. z) y2 w) d% `" p# xBulk Modulus 140 GPa 20300 ksi Typical for steel.
" y) Y# t5 e) J" o, ]: |Poisson's Ratio 0.29 0.29 Typical For Steel
6 I! n, |8 }" F ]Izod Impact 43 J 31.7 ft-lb normalized at 900?C, 65 J annealed at 815?C, 53 J as rolled
! j( V6 ?2 k: |$ f4 C; W N& [Shear Modulus 80 GPa 11600 ksi Typical for steel. |
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