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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
5 T0 m0 ~9 \' H+ F: F & ]% K# H) w8 P" [, Q. y' T9 e$ t
& [9 h C$ X! {4 Y( f9 I Steel name: 42CrMo4, 42CrMoS4
7 A* _3 |3 F# H8 T/ K% a Diagram No.: 3377
5 N7 @5 z) \" k Type of diagram: TTT v" a. N, H* b% {
Mat. No. (Wr. Nr.): 1.7225, 1.72271 g8 ]8 q a) B1 F: n
DIN: 42CrMo4, 42CrMoS4' o }6 D2 D' x( H$ \& }- L( ?* W
SAE: 4140H, 4140RH
+ s& E2 _! x2 E& M3 Q8 s1 D Old name: Mo4- X5 o! B( D. E8 z0 Q
Chemical composition in weight %: % B1 r2 L4 \- A, B( ?
42CrMo4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo, <0.035% S, (Pb). - ]! K; I0 {9 b! u: y. N3 T1 J6 q, h
42CrMoS4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo,0.020-0.035% S, (Pb).
4 X# H! Y ?7 O Note: Alloyed steel. Austenitized at 850 oC., n/ \% u4 E/ b9 A
Source: Website Saarstahl AG, Germany, 2007.% V- b4 G5 x7 _7 z9 z
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发表于 2009-8-27 17:07:00
发表于 2009-8-27 19:07:08
