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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 a/ h. c' T. t
. z6 M& N1 d3 t5 x 4 R& a/ d4 P' k
Steel name: 42CrMo4, 42CrMoS4
- T, ~5 |% K4 V5 Z% q% m Diagram No.: 3377
! s% x0 [6 ?$ {# f- W1 [) o Type of diagram: TTT
- q: {1 H8 A- O& j& I* K, p Mat. No. (Wr. Nr.): 1.7225, 1.72279 k3 i( T, o% C5 ~! h
DIN: 42CrMo4, 42CrMoS40 h; w. \+ D' e& D3 h- ?. w
SAE: 4140H, 4140RH
; B6 L: m2 [$ _. L$ u Old name: Mo4
1 l+ e k6 Y: X) ~( s3 I6 {. o Chemical composition in weight %:
2 f- y+ G, }2 U% e42CrMo4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo, <0.035% S, (Pb).
, ^5 |; z- p% \4 a2 h42CrMoS4: 0.42% C, 0.25% Si, 0.75% Mn, 1.10% Cr, 0.22% Mo,0.020-0.035% S, (Pb).5 y9 j7 \& O1 Q+ C% E
Note: Alloyed steel. Austenitized at 850 oC. g# Y( C$ i% F3 D4 [$ [1 H2 f% N
Source: Website Saarstahl AG, Germany, 2007.# Q, w) }0 M- ]. M( ?* y9 n
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发表于 2009-8-27 17:07:00
发表于 2009-8-27 19:07:08
