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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 , P& K0 U# T1 u. O9 ]
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Steel name: 42CrMo4, 42CrMoS4! _: b3 [( }, c, I/ I$ o% ?
Diagram No.: 3377* `! E% a: E H' O
Type of diagram: TTT
$ I u9 \5 m9 V+ X( x Mat. No. (Wr. Nr.): 1.7225, 1.72270 }* X& v8 s A& y& l. u( N( R
DIN: 42CrMo4, 42CrMoS4* f/ T1 l3 P5 }/ w4 e- V
SAE: 4140H, 4140RH
5 T! H8 d' k0 H! o+ y Old name: Mo4
# g! N# z6 t% e; O" g3 l$ n9 V# j Chemical composition in weight %: " R% d- M/ h3 I( o$ j7 @/ Y* g
42CrMo4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo, <0.035% S, (Pb).
$ l+ J, e. M y; [+ H42CrMoS4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo,0.020-0.035% S, (Pb).
) d! R5 {: ?1 J: ~! d Note: Alloyed steel. Austenitized at 850 oC.5 u" B6 L9 l! [& ` t3 i
Source: Website Saarstahl AG, Germany, 2007.. ]/ n: T# \/ d1 h9 G( | v
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发表于 2009-8-27 17:07:00
发表于 2009-8-27 19:07:08
