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发表于 2009-8-29 10:28:13
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来自： 中国陕西西安
42CrMo4, 42CrMoS4 Steels
! X9 T" I# B" N; x
& m$ o7 z9 f n9 B% S- t2 t$ o7 M9 M4 t " `' W" e: F1 _1 D% ?, ~6 Z
Steel name: 42CrMo4, 42CrMoS45 T$ _# x0 F' Z) X3 ~
Diagram No.: 33777 w) {( |* n, S/ n3 b! @
Type of diagram: TTT9 _7 A. e% m& p# T- R
Mat. No. (Wr. Nr.): 1.7225, 1.7227
0 \4 h% P8 A# W( ? DIN: 42CrMo4, 42CrMoS4
; i# u3 o3 j- g% D1 V SAE: 4140H, 4140RH% i! P" c- }8 d) ?% E
Old name: Mo4 E/ |) l' F/ G& b1 h$ f
Chemical composition in weight %:
; @ D- Y) S2 @% B' {0 I% O42CrMo4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo, <0.035% S, (Pb). " t; N" ]' U+ b4 m; z1 n
42CrMoS4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo,0.020-0.035% S, (Pb).( A8 \5 @0 z) D1 K
Note: Alloyed steel. Austenitized at 850 oC.( G( b- z$ P/ T4 _! i, {0 f
Source: Website Saarstahl AG, Germany, 2007.
], ^0 J& }9 ]# U0 ] s的含量是不同的 |
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发表于 2009-8-27 17:07:00
发表于 2009-8-27 19:07:08
