機械社區(qū)
標題: 求助：美國4340的材質能不能淬火達到硬度HRC58-60 [打印本頁]
作者: haiyang 時間: 2006-3-3 16:45
標題: 求助：美國4340的材質能不能淬火達到硬度HRC58-60
求助各位斑竹，誰能告訴我4340的材質能不能淬火達到HRC58-60
' r: M% F2 o4 w' y- k8 P
20MnCr5的材質是不是也可以淬火后的硬度達到HRC58-60
. G* L& C( C( s2 o* u3 ^7 M) N5 ~
急！�,。,。。,。,。。,�,！
% N" O4 D8 O/ X: d7 L6 P% T3 a6 J先在這里謝謝里
作者: sun jiabng 時間: 2006-4-5 22:42
標題: Re: 求助：美國4340的材質能不能淬火達到硬度HRC58-60
Material Number# {/ y \$ y& D# Y* L4 t, W) t
~1.6565
# Q4 k7 ~& q2 a: w; ^
4 i, k8 S& x7 i0 o! B; vSteel group
- n: ]. C7 @# j: L# I+ R) v3 |Structural and constructional steels
; J y+ h. z: b. X% v" P- |
, l3 m' z1 p& G# ]Symbol/ c L7 N: p) ~! I. ]2 T% G5 H
40CrNiMoA; A50403* M7 b- T( P7 d9 f
; P; C, o2 c0 Z+ q. N3 JStandards! D K6 w. B0 t \) F
GB T 3078 (1994): C# j0 _3 Z) o9 ]5 u
Quality structural steel cold drawn bars
5 K. i1 p( }' `; N" [" t: n
( Q5 N& Z8 M: `4 K
; D! ~$ i! O! p" a" u2 AMaterial Number4 h0 C; g6 R' x ^5 Y1 z
~1.6511; ~1.6565; ~1.6580; ~1.6582" @ j, t' @3 p3 t; X( x0 A: j
& W; O2 I0 P! C( r$ cSteel group
; o; x! f! r# f6 `0 n0 _" C( nStructural and constructional steels
% U+ y. S7 B, \: w6 ?+ D& P- j
1 ^% _ u) m4 {( K' cSymbol
9 k0 ~9 Y2 y1 X0 z3 L4340 (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)
9 J/ J1 W: ]! B, `1 \% ]* l! O7 q% @+ p7 }
Standards
) F# \8 ^6 h4 g! R& HASTM A 29-99
' o, _ S1 V2 l0 Z$ YSteel bars, carbon and alloy, hot-wrought and cold-finished
2 ^, C4 y1 R9 F( ? E
- ^4 U* f: ?- F: V; q8 s1 YASTM A 320-02
" S7 Y- h+ Z8 I# Q4 zAlloy steel bolting materials for low-temperature service' s6 b1 ? ?) }$ `) p7 U
/ W4 {2 Q* L4 K8 m0 U# [: N! Q, HASTM A 322-01
! L! `$ M, e- pSteel bars, alloy, grades
+ P) }) a9 I: Y! N; d) s% m4 h' C5 \0 ~6 H% V- t
ASTM A 331-00
8 Q8 B' K9 L: j, H) F, _Steel bars, alloy, cold-finished$ N% C! f- J5 a6 _7 @% e5 _
, n6 c: J' q. w& X
ASTM A 506-001 |8 i" x* O' Y4 d0 }
Steel, sheet and strip, alloy, hot-rolled and cold-rolled, regular quality and structural quality
8 _, D0 }- M v; s! n" D$ w: \# M: B3 B+ ^6 h- k+ ?: t8 O2 ^
ASTM A 519-96
- m! |+ N' m2 ^ n3 C9 m' ~Seamless carbon and alloy steel mechanical tubing
+ V& w, ]8 @, l( |" z1 v
% s" I, w$ q& o( JASTM A 574-00
/ L6 `- q# Z: K6 T2 x$ R9 v" Y0 y9 FAlloy steel socket-head cap screws
1 i2 k F3 a# \. p6 C/ T4 G! x5 u8 C. z3 U0 U7 E
ASTM A 646-99- N0 f) L! R c N, w
Premium quality alloy steel blooms and billets for aircraft and aerospace forgings9 ^5 G& ?7 h8 `1 o
! Z5 ]. b# P# |# ]: FASTM A 711-01
* o Y0 d5 C5 [5 b& n) Y: zForging stock
& ~, o! j4 `/ I( l3 H
- s% L+ {$ G( V& i9 h! aASTM A 752-98
# L, P! F2 Z e! E7 ^! @ \Wire rods and coarse round wire, alloy steel+ ]. _2 U! a: i+ @
# |. P! g/ h$ y4 y2 `1 K+ f8 y& DASTM A 829-00
" S) S$ i3 T' C$ E2 c3 dPlates, alloy steel, structural quality: Z% R2 f S8 }* w6 N
6 M# Y5 s% `+ i3 Z# q; _SAE J 404 (2000)! @0 R" e$ C& C$ h0 p- c( V r
Alloy steels
/ H6 P9 @& r! [9 ^1 g; w& m
作者: haiyang 時間: 2006-4-17 18:21
標題: Re: 求助：美國4340的材質能不能淬火達到硬度HRC58-60
大蝦，您還沒明確告訴我呢 美國4340的材質能不能淬火達到硬度HRC58-60! d4 f* D- k ]- v
我看到20MnCr5最高能達到41-49HRC
作者: claycao 時間: 2006-5-13 12:23
標題: Re: 求助：美國4340的材質能不能淬火達到硬度HRC58-60
達不到你要 HRC58-60哦,。
作者: lu69 時間: 2006-5-17 16:43
標題: Re: 求助：美國4340的材質能不能淬火達到硬度HRC58-60
4340淬火后是可以達到HRC58-60,，而20MnCr5需滲碳或碳氮共滲后淬火，也可達到HRC58-60
作者: devildoevil 時間: 2011-10-7 23:59
怎么最后還是沒有一個確切的答案呢,？6 _4 w3 e9 V2 [; _3 e1 i+ x b& Y
4150應該可以達到 58-62吧,？
| 歡迎光臨 機械社區(qū) (http://giwivy.com.cn/) |
Powered by Discuz! X3.4 |