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發(fā)表于 2006-4-5 22:42:36
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Re: 求助：美國4340的材質(zhì)能不能淬火達(dá)到硬度HRC58-60
Material Number$ x- g C. T! i( x% h5 h( c. V. N
~1.6565
8 c. J/ }: D! A& e$ j( l! | I T k5 I( D$ R9 T4 A7 U% o
Steel group: _: L' G- K! \; s9 N2 d, s& ~7 d% J. s
Structural and constructional steels7 w) y& Z# q: W5 ?( f/ f
, }1 Q! }# F. t( J
Symbol
2 m) O1 w/ O. R! x" m40CrNiMoA; A50403! m" Z8 `0 p1 C2 _+ C/ L( m& `7 v7 F
9 K0 S" X$ u( u+ [; z2 F& GStandards
; u2 Z; m: f2 M/ M# }" wGB T 3078 (1994)
8 `8 J3 K4 P5 e2 b H1 M' K3 TQuality structural steel cold drawn bars
; l) x; {6 g& c) y# L
0 Q L3 Z$ E7 P7 I) S
$ Z/ P" j+ W- }+ ZMaterial Number
+ C/ Z: s9 @3 X* Q/ f: m1 I# s. p~1.6511; ~1.6565; ~1.6580; ~1.6582# N [" ~9 L4 f/ m4 f
& L2 V9 K C1 [" ^3 L) R0 P
Steel group
* m1 _! {: Y/ T( z( O9 T8 ~Structural and constructional steels
- p6 f9 U; e0 V- Q( e T1 L
6 r: ~/ q: v O' V: xSymbol' }6 Z W' [; Q
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)
* ^7 n, |8 t" b: [
2 ~* I" R. j! oStandards6 X7 M1 u+ [# l: T6 ?8 W
ASTM A 29-99
: z- D% Y' z5 \, y) S; E' Q9 vSteel bars, carbon and alloy, hot-wrought and cold-finished
9 T$ F8 O2 n2 n3 d7 t# t' d3 v6 x2 b- y
ASTM A 320-02
U0 [& x/ Z( m2 ~& P1 rAlloy steel bolting materials for low-temperature service
7 z0 b# T# Q ~9 x; B; i
3 P, k4 i) f( h$ z& YASTM A 322-01
3 d E6 j/ d" W+ _2 X% DSteel bars, alloy, grades
2 a7 w3 r1 Y( W' v, S$ L
& }* @4 Q; ]' N" y. z, n, RASTM A 331-00
2 x9 y5 N* L$ a4 {Steel bars, alloy, cold-finished5 W( @2 n1 T# s# n
1 e6 r+ t; p, G- v$ ?ASTM A 506-00
/ U) M8 [5 P' f1 L" ~Steel, sheet and strip, alloy, hot-rolled and cold-rolled, regular quality and structural quality
/ D* t$ g; w( a. x7 y/ t9 K, i, x$ G1 \* P4 o4 z/ F
ASTM A 519-96
/ q% e G H; U2 K" C6 `- NSeamless carbon and alloy steel mechanical tubing
2 U6 `) Y# b! d4 m8 T3 c! y: S6 ]+ F- J9 e
ASTM A 574-00
" y L5 ~3 n) t$ uAlloy steel socket-head cap screws/ \+ [6 k* `5 B) C5 X N* \
, Z9 T4 m% N6 ]- ?! }; }ASTM A 646-99
( @4 m( q$ z: E4 h' vPremium quality alloy steel blooms and billets for aircraft and aerospace forgings/ N" N% b2 z8 Z+ T, t- b! m
+ u) m7 ^) A9 X! I s, {: q
ASTM A 711-01" `7 t$ y1 w6 s- s
Forging stock {, e# c$ ?! H4 \
1 |- z. x4 D* ^1 X+ ]; W: `: y
ASTM A 752-98! H" m( u9 [2 i* J7 e9 U
Wire rods and coarse round wire, alloy steel
( d0 b+ C) v& Y- b7 k5 y
5 D4 ]7 j: ~1 m5 H3 t4 hASTM A 829-001 g! O W! Y; \* x! U
Plates, alloy steel, structural quality
, F9 F- W, K) R) `1 t8 y. e) h1 ?4 G
SAE J 404 (2000)
! [2 w3 R% K2 e& P5 P6 \" XAlloy steels3 H: o* V4 q9 G7 z
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