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发表于 2007-6-6 20:19:48
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来自： 中国
Subcategory: AISI 4000 Series Steel; Ferrous Metal; Low Alloy Steel; Medium Carbon Steel; Metal
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. {7 `7 }3 \3 ^( OClose Analogs: AISI 4140H
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Key Words: AFNOR 40 CD 4, AFNOR 42 CD 4 (France), ASTM A322, ASTM A331, ASTM A505, ASTM A519, ASTM A646, B.S. 708 A 42 (UK), B.S. 708 M 40 (UK), B.S. 709 M 40 (UK), JIS SCM 4 H, JIS SCM 4, SS14 2244 (Sweden), MIL SPEC MIL-S-16974, SAE J404, SAE J412, SAE J770, DIN 1.7225, UNS G41400, AMS 6381, AMS 6382, AMS 6390, AMS 6395, IS 1570 40Cr1Mo28, IS 4367 40Cr1Mo28, IS 5517 40Cr1Mo28/ w) T+ g5 T, c
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& t& D" {8 _# N u5 O* jC 0.38 - 0.43 & [, B% b: A$ v6 f( n6 X
Cr 0.8 - 1.1 ' [4 d' i% D3 T$ X- G) ~% j
Fe 96.785 - 97.84
1 g/ f" I& ?, K! _( n& iMn 0.7 - 1 ( a8 r1 p; u" a
Mo 0.15 - 0.25
7 C, f7 M: V, ^% T& [P Max 0.035
, _0 ?+ z$ p7 L8 Y. {8 |" oS Max 0.04
$ c; p* o9 L/ Y: C) ~3 q3 e8 gSi 0.15 - 0.3 * V6 Q7 L$ k, T; H* q
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- E4 Q1 K* x. L, [3 @9 j: HMaterial Notes:
7 w4 g+ q2 m3 A7 l* H* ~Normalized: heated to 815?C, air cooled. Medium-carbon steel with high hardenability and good fatigue, abrasion and impact resistance.. _/ f$ |5 |. J
Subcategory: AISI 4000 Series Steel; Ferrous Metal; Low Alloy Steel; Medium Carbon Steel; Metal
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1 K6 I- z, Q4 R6 y& F- M( F K; mClose Analogs: AISI 4340, AISI E4340, AISI E4340 H
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Key Words: alloy steels, UNS H43406, ASTM A304, SAE J1268, DIN 1.6565, IS 1570 40Ni2Cr1Mo28, IS 1570 40NiCr1Mo15" h7 p& _+ h. I9 j$ [9 d7 ?. A
0 [6 l9 l @, N+ zComponent Wt. %
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C 0.37 - 0.44 7 q- S: V! ^) |1 z1 }% j
Cr 0.65 - 0.95
' S3 o5 v4 U1 M& _3 {' K7 R) H+ c4 qFe 96
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Mn 0.73 ' C' r1 q: t# E+ s7 M: A$ ^
Mo 0.2 - 0.3 ' u' q' w3 b: [1 Z
Ni 1.78 & y2 {; N6 V7 I" e( H8 z) p7 l4 g
Component Wt. % 2 O4 s6 Y' m* ?7 T' ~5 q
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( h; k3 l, z0 W/ R1 w) FP Max 0.025
6 Z7 w ~! t0 V# c9 n% }S Max 0.02
# ~! N% y9 r; \ B" o! kSi 0.23
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; d) Q( y1 w# |6 jMaterial Notes:
4 f0 K4 M# f4 x2 u0 H4 G& _9 aTransition temperature: - 90?C (50% Brittle)8 A# Y% o' S. S: n8 r. j4 u) {' y* M
, a$ q3 @( e" E$ h: O. N9 i9 iClick here to view available vendors for this material.
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# H* i/ L- W- V1 G( [ New suppliers have been added for this product during 2007! The list of suppliers can be seen by clicking the truck icon to the upper right or the text link just above.
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' u" j5 O7 Z: w9 J4 \7 ~' jPhysical Properties Metric English Comments & c. U! M/ S" r! U! R" {. L
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, ~8 ?2 {/ r, Q0 U( h: n. GDensity 7.85 g/cc 0.284 lb/in?
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$ a. C8 Q- p5 O( YMechanical Properties / Z1 B: Z2 X7 W/ M6 \0 g
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- G r7 |/ U* I; p5 N% D9 UHardness, Knoop 381 381 Converted from Rockwell C hardness. % F9 _9 s: N5 x9 v# u
Hardness, Rockwell C 38 38 : h" x5 F- I$ a8 g! b% _3 s
Hardness, Vickers 368 368 Converted from Rockwell C hardness. . Z$ ]: n7 ]6 a% a: n* D: x$ n, x
Modulus of Elasticity 205 GPa 29700 ksi Typical for steel 6 s' I9 j. V- S1 h P4 I, v
Bulk Modulus 140 GPa 20300 ksi Typical for steel.
5 Y' E* s4 K3 U3 R8 x1 S+ pPoisson's Ratio 0.29 0.29 Calculated
; ~, m# u5 ^& S# e& W' \Charpy Impact 20 J 14.8 ft-lb
9 p7 ^- v. v6 l2 z# WMachinability 50 % 50 % annealed and cold drawn. Based on 100% machinability for AISI 1212 steel. $ A( g" ^& \, r5 l s) X
Shear Modulus 80 GPa 11600 ksi Typical for steel |
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