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发表于 2006-4-5 22:42:36
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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 Number8 L# @. I; \' \4 U* c
~1.6565) S/ [! s9 g% O, n
2 j6 z9 p9 j1 ~9 n, P% A- C
Steel group6 I' ]7 b1 s3 r9 b$ K1 s! L
Structural and constructional steels
1 ~. |$ l: K& E( c" i; ]0 p# z$ _3 e
Symbol
" l. K/ d& x, h) G40CrNiMoA; A50403 F k! l4 ]* T' j2 ~4 V$ L! o }
( Z" s" [" O W* L
Standards
8 q7 {# o$ P; ]! e6 xGB T 3078 (1994)
# k$ F1 ~4 U u5 N& x- MQuality structural steel cold drawn bars5 N2 g" ~ q& G$ ?- U& _/ D
0 `$ n3 ?2 C$ X# Z' d, f+ ]
! p# ]% Y/ ]$ p# CMaterial Number
7 I; x! Y& j' W" t5 w~1.6511; ~1.6565; ~1.6580; ~1.6582
; p* X* t8 Q0 P$ s* K
% G2 G$ i% C# W9 eSteel group6 m# S& K6 `* H& `1 H
Structural and constructional steels$ N2 c: a) M4 t" [0 n4 a
) J8 Y) d, ?9 ?# {3 Q7 o% lSymbol8 p$ n. p0 M7 U A- |4 u/ ~
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)
# a0 }; d. J3 h' Z/ r" N J* a$ t$ `
Standards+ ?* m" B5 X. t& \: K0 t
ASTM A 29-99
+ a. a( {& G! z6 D7 W" {Steel bars, carbon and alloy, hot-wrought and cold-finished* [2 U$ S* n# T+ |
0 l* R, n9 V" j( I0 i
ASTM A 320-02
k' l( J/ M- a8 e7 S: N( c! p$ U" H* BAlloy steel bolting materials for low-temperature service
3 x1 L8 q4 V' H3 E2 z
) m. M6 P/ }8 ~7 M* K" l0 @ASTM A 322-01. D% [' C& u- M+ N' h4 H5 k
Steel bars, alloy, grades
* I5 C& V! U* ]& _, k! v& S" |9 Y+ R8 h* \9 t- A( p% y
ASTM A 331-001 O+ }) N2 W8 L6 g" F$ _
Steel bars, alloy, cold-finished
7 I6 s* t$ b- Y4 r& \5 f! P2 W
5 Q, T! x' U+ U9 yASTM A 506-00
* ~. J5 X a! H& k/ p# A, n# d, i& [Steel, sheet and strip, alloy, hot-rolled and cold-rolled, regular quality and structural quality8 N% h& q& ^8 c" h
9 I- v7 Q# z5 r: Z6 F+ x* c9 u
ASTM A 519-96
, l9 |* B9 d! Y; T" i/ h3 WSeamless carbon and alloy steel mechanical tubing
a r7 r8 f7 b9 z3 P1 y }5 V" _
3 W6 a2 ~! ]& L( BASTM A 574-00$ W# Z F* a8 Q+ |3 a3 |
Alloy steel socket-head cap screws
& l/ w k5 d7 f$ u5 V& T) Q; _; }/ _
ASTM A 646-99) N7 R2 E( s. O6 h3 R& g, r
Premium quality alloy steel blooms and billets for aircraft and aerospace forgings6 d1 J) ]0 ?) Y4 p# W, _/ A# l
* [; Y; { a3 c9 ~2 L0 Q$ G+ c5 aASTM A 711-01
7 m; V2 t* i0 U: X+ R+ s9 w% kForging stock
0 B4 v& S( _1 t% w( |5 z0 p7 q- o2 P5 T' |' u# A8 t+ o7 J" _6 _- h
ASTM A 752-98, w; w0 W P# y- ^5 n* e
Wire rods and coarse round wire, alloy steel
/ g% k, d6 U6 u8 h1 L3 T
/ U |" i4 l9 C" z. r. BASTM A 829-00, R& _0 O! ^9 _
Plates, alloy steel, structural quality
& a& _" a1 L. T4 {" d9 K: l. D D
8 P; t* y" a6 ?1 y P7 t6 FSAE J 404 (2000)6 N, ?5 N) D( w! E
Alloy steels4 }) b( b: }/ M7 X" [) d
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