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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 , n% H9 ?. q; i" V1 z/ N* u
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Material designation: 16CrMo4
% i* A* o- S/ K Y, t9 D F4 b Diagram No.: 56
# K3 {- z2 p+ K; I/ D- c DIN designation: 16CrMo4
) I% Z" c# {2 |9 H9 v+ ] Mat.No. (Wr.Nr.) designation: 1.7242
9 \* B4 E8 Z: a* h 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.
# s( E( C9 Q X0 q# o Steel group: Alloy special structural steels
" a* X; e! D9 R! f! W Applications: Forgings for construction of steam turbines (<= 530 °C)
# Y( [4 |, o. `! Q Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels8 u; u5 s! e6 ~
Source: KTS 2008
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Heat Treatment, B+ k' W8 Z1 N0 ~$ c) a
Hot working: 850-1100℃ R+ @$ Q/ J: A
Soft annealing: 650-700℃
( B9 \- R9 i: N' k6 C* O& g$ C Hardening in oil: 900-950℃
# y5 i3 \* J. f Tempering: 580-680℃0 m" q) K: t# G- m8 i9 ?# G
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