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Re: 求助：美國4340的材質能不能淬火達到硬度HRC58-60
Material Number. q/ f3 U) U- S$ h' O& H# Z
~1.6565
# x5 q1 k F/ a2 s* y2 d! E
! B' c0 e A0 m X |Steel group
2 ? P# J9 T3 \+ FStructural and constructional steels
# d% U, {2 Q6 L' W
" f$ K i# y6 iSymbol3 }- [4 L4 K7 u
40CrNiMoA; A50403
+ y* Y) e, k# y- M3 o, U. a* f% }: f9 S0 V3 b" _5 @
Standards" t4 I- W% {. X, E# J* I
GB T 3078 (1994)) X! a1 g2 D! U* L5 e- ~ }9 S
Quality structural steel cold drawn bars
" K; j0 ~8 V: {& ~; [( O% Q- t5 W9 f+ n/ {- w
3 i7 H! }5 c0 CMaterial Number
2 ~# H: Y" g, Z& U+ s~1.6511; ~1.6565; ~1.6580; ~1.6582
" ^9 w; y7 Q5 K, P/ q* s! h3 l2 A, q, [2 B1 ^2 H: H
Steel group
1 _+ ]* g j) _$ y# nStructural and constructional steels1 Z' F& w$ s _
# a0 [" u5 ^! x Y- c, j, sSymbol
: n+ U6 y3 ]- v4340 (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)
$ ]4 D8 w" G; c* w8 v6 ?/ P& R
- {# ^. K. @: yStandards
+ ?7 h2 O0 V% R9 M2 S3 }( O' rASTM A 29-99, d: P: Z. i _0 S( b' Q
Steel bars, carbon and alloy, hot-wrought and cold-finished+ Z& T7 Z( a# W* ^3 H
# i. g3 |- x, i& c. ?% K
ASTM A 320-02) h1 \4 e5 z0 |4 n+ g3 z
Alloy steel bolting materials for low-temperature service
' \/ Z! X# T+ w9 j
" Q5 v7 P; F2 w: NASTM A 322-01
; D Z! L& w7 K1 D2 M& e( ~" }Steel bars, alloy, grades
: H! e( a+ \" N
0 e7 T0 K7 J, ~; iASTM A 331-00
+ C7 Z; i v0 @3 k2 Z9 @Steel bars, alloy, cold-finished2 W% L, v$ z) u
: D! }% w4 ^1 i2 B7 ~" \; \+ Y% O. e
ASTM A 506-00
; O8 ~: ~2 Z% V8 @4 s8 G1 b/ `8 |Steel, sheet and strip, alloy, hot-rolled and cold-rolled, regular quality and structural quality' M& f6 V) ^" i, K, ~) }
5 O2 q) A3 L& a; Z
ASTM A 519-96
1 c7 o. n8 {! e( ?Seamless carbon and alloy steel mechanical tubing
" G+ c' S( `' L$ j0 d2 r8 Y- _+ D* K y8 u5 B/ f
ASTM A 574-001 Z* X# P6 {$ Q7 L; r
Alloy steel socket-head cap screws9 Y+ m3 }) H2 z& h, o
, K# Q8 L( W0 T5 ?
ASTM A 646-99
! |: b4 x( o4 q' }Premium quality alloy steel blooms and billets for aircraft and aerospace forgings
! P2 o. ~- j& t/ W ]" ~2 w. T( b
" R/ U; ] o* x* h/ Q% NASTM A 711-01
C9 a* `3 J2 m2 ~Forging stock
' b+ l) s2 I5 U
8 a1 |2 i, e: s5 S6 @: g2 zASTM A 752-98/ N* H: F. b2 f Y7 a4 A
Wire rods and coarse round wire, alloy steel" l% ~2 Z. p) D+ p
) v+ b3 x& P, R/ H' g1 ZASTM A 829-00
7 J4 c) P- {, c$ n- a% ^Plates, alloy steel, structural quality2 C; d3 {) |0 }- g
: O8 U( }* Y9 M8 kSAE J 404 (2000)' {1 X! Y) u1 s, t m# h2 w! X( j
Alloy steels
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發表于 2006-3-3 16:45:14
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