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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( o+ e/ b- z# B8 i
UNS G11440, ASTM A29, ASTM A108, ASTM A311, FED QQ-S-637 (C1144), SAE J403, SAE J412, SAE J414$ d* @5 _& ~( {* z: _" d
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.
. g' u, Y8 F' ]& D. ^& X' F' b ]2 L# |* C0 {- |" x8 Y
Component Wt. %
8 n0 t( Z* j! X: I4 ] + b7 T$ s2 x8 K5 K
" ~$ B5 P5 [1 x- y
C 0.4 - 0.48 . O" n; [7 o, U# E0 A* r f
Fe 97.5 - 98.01 , t6 ?# u: ^! {
Mn 1.35 - 1.65 ( e! G1 C1 ~+ a+ m
P Max 0.04 ) c$ R( w2 Q5 q0 R
S 0.24 - 0.33
: L# f' |: \, B& D, ^/ o) D: p1 W: T5 a- g
Density 7.87 g/cc 1 E6 A( p- t/ E' [) N$ L( C% _8 i
Hardness, Brinell 192 192 ^8 L. h" n. L9 r
Hardness, Knoop 214 214 Converted from Brinell hardness. , P8 L: S/ z: A3 G) K) ]' p
Hardness, Rockwell B 91 91 Converted from Brinell hardness. 5 o( |# r: C' }9 [. _0 T6 o
Hardness, Rockwell C 11 11 Converted from Brinell hardness. Value below normal HRC range, for comparison purposes only.
. s# k' ]5 w( `4 e2 [/ GHardness, Vickers 201 201 Converted from Brinell hardness.
1 E5 D/ z: D* G/ {" o; g/ |Tensile Strength, Ultimate 650 MPa 94300 psi 7 u; ]' q' z5 f- d
Tensile Strength, Yield 425 MPa 61600 psi 9 L5 q! u1 ` g$ c2 g; E8 U% E
Elongation at Break 24 % 24 %
! H2 V- x+ ?$ S+ @Reduction of Area 57.7 % 57.7 % ) J0 r! j4 w* o$ o
Modulus of Elasticity 200 GPa 29000 ksi Typical for steel $ ~$ }2 S! b& }: l4 Z% [) O+ ]: k
Bulk Modulus 140 GPa 20300 ksi Typical for steel. ]' B" t* r3 E# \
Poisson's Ratio 0.29 0.29 Typical For Steel 2 a* p1 E* q# J( N2 D5 \
Izod Impact 43 J 31.7 ft-lb normalized at 900?C, 65 J annealed at 815?C, 53 J as rolled : A& N! e7 w) R, W
Shear Modulus 80 GPa 11600 ksi Typical for steel. |
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