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发表于 2011-11-10 11:01:06
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来自: 中国江苏常州
本帖最后由 wenjuanzhi2008 于 2011-11-10 11:11 编辑
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Material designation: 16CrMo46 e4 S5 v' H9 V! E7 D' u, X
Diagram No.: 56
6 V# T/ Q! I& Q DIN designation: 16CrMo4' Z5 C: e6 r( l- E
Mat.No. (Wr.Nr.) designation: 1.7242
5 E0 k' r) @- m8 ^6 I Chemical composition in weight %: 0.13-0.20% C, 0.15-0.35% Si, 0.50-0.80% Mn, max. 0.035% P, max. 0.035% S, 0.90-1.20% Cr, 0.20-0.30% Mo, max. 0.40% Ni.$ E3 m; F; G$ J p2 U$ n& Z% {
Steel group: Alloy special structural steels
^% {8 K @$ I b Applications: Forgings for construction of steam turbines (<= 530 °C); v# V5 Y4 w. d
Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels) F ?7 r! i5 N
Source: KTS 20089 ~7 s5 |/ Y: @0 X. E$ _7 N
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Heat Treatment
; Y" x6 J/ @" n% v+ M& L Hot working: 850-1100℃
2 ]1 _$ b% x$ @2 r/ p" | Soft annealing: 650-700℃5 R. K0 Q! r: u0 }4 r' `5 B6 D
Hardening in oil: 900-950℃* K4 `' g8 F+ q+ K6 A& c- r; E0 K; Y
Tempering: 580-680℃" A0 a% u: b4 l1 y6 W
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