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Re: 求助：美国4340的材质能不能淬火达到硬度HRC58-60
Material Number2 s/ B7 V' k7 y( O
~1.6565
9 }1 ~/ y j( G [$ q; f; B
% a2 O& t3 q- J. JSteel group5 j5 b2 U& x" c! T p$ N- n$ l
Structural and constructional steels4 t+ J2 y- l) G0 a& c+ Q) G; w2 v
6 b8 N+ ^( J$ ?, q) e
Symbol, E% Q+ L7 E! M6 B" R( m" }, ^$ h
40CrNiMoA; A504037 F: u. z& z- z4 v" V. W7 z1 N, P
$ L" [, W" B/ s H0 x
Standards
9 ?& a8 L3 t+ B% e; k/ U2 V# uGB T 3078 (1994)
% A) N4 C* V/ [: k* |Quality structural steel cold drawn bars
( y* \* b- [$ Q P$ K9 o4 ?) J! e$ ?, S3 Q
! J( e3 F7 ^4 ~& s! F
Material Number# u6 S2 C5 e" G
~1.6511; ~1.6565; ~1.6580; ~1.6582
" o& |5 j" T4 H4 E
( U9 x; A$ \2 {4 w* g( ESteel group/ X3 c% D" i- ^; i
Structural and constructional steels
V8 J) |7 v2 l% C+ d
1 y* J; u* g8 cSymbol+ x$ n0 i! j' D, _
4340 (SAE); G43400 (UNS); A 29 (4340) (ASTM); A 320 (L43)(4340) (ASTM); A 322 (4340) (ASTM); A 331 (4340) (ASTM); A 506 (4340) (ASTM); A 519 (4340) (ASTM); A 574 (4340) (ASTM); A 646 (7)(4340) (ASTM); A 711 (4340) (ASTM); A 752 (4340) (ASTM); A 829 (4340) (ASTM); 6359F (AMS); 6409B (AMS); 6414H (AMS); 6415P (AMS); 6454C (AMS); 6484B (AMS); MIL-S-5000 (MIL)
, l6 D' ?8 C" [, {* \# s! f+ J' I, Y0 }# N& t4 n4 l4 ?5 @9 n
Standards7 f7 ~9 }" u$ e3 V) g+ P/ p5 U# o
ASTM A 29-99; v9 `& S4 ?" l& `: p
Steel bars, carbon and alloy, hot-wrought and cold-finished
. ^: }2 c5 f4 G, a
X& W% J6 H9 z0 m' ^ASTM A 320-02
3 ?% l* S, a; `Alloy steel bolting materials for low-temperature service! d! b/ Y. H+ Y7 e6 W
( g$ j, l4 z9 t% V+ t1 H9 s! G& y
ASTM A 322-01, _* W3 b3 N+ E" C; r+ r8 d- ~6 Z+ l
Steel bars, alloy, grades; @0 Q h' h7 s- w
( C' i4 ~& L$ e9 W1 b
ASTM A 331-00
( ~" R: ], j7 O2 Q1 }# tSteel bars, alloy, cold-finished( E$ f8 S/ H; B, Y+ n0 X
" J* x( Q, W+ X/ S4 R& ]ASTM A 506-00
3 K" y& K* s! N; N8 QSteel, sheet and strip, alloy, hot-rolled and cold-rolled, regular quality and structural quality
, W* _$ d% w) n% Q' C9 {$ Z A \% [2 r( q# G
ASTM A 519-96
$ @7 G/ b7 i, H# @- zSeamless carbon and alloy steel mechanical tubing
& L5 p2 s; }$ S/ J0 u+ ~! v3 T6 Z" I0 ]6 Q) `8 T
ASTM A 574-00' O& {5 P$ {% J
Alloy steel socket-head cap screws
/ |3 T; ]! o. M2 y, @; c* _( U% n2 w O: U) f) J) p3 i! b7 u; A
ASTM A 646-99
. r9 H; \/ t0 N9 i; @8 ZPremium quality alloy steel blooms and billets for aircraft and aerospace forgings
* _/ ?4 ?( S/ c3 I( M, h( N! y8 n( C5 k
ASTM A 711-01
8 ~8 P1 m; a, R" G1 `7 gForging stock
9 E+ Q& ?8 x+ _) v+ s" ]$ B7 {
) G( C m' n$ F/ T8 [8 qASTM A 752-986 ~$ _. Y# H/ c! z/ ?4 r, Z7 T) R
Wire rods and coarse round wire, alloy steel
& } i' P. r, \' }, V" B: ~/ U5 X/ I" l6 }% G# q1 _
ASTM A 829-00' w- | y" ?: b
Plates, alloy steel, structural quality1 S. ~9 f; {8 \, C# {! S* }
P; R" x6 B1 L0 g( k/ V# c$ Z' M
SAE J 404 (2000)
& T# g4 V" O* H; X- DAlloy steels
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发表于 2006-3-3 16:45:14
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