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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
$ @: x' o4 i* [% { v
+ D5 e& S( j0 T# O3 h Material designation: 16CrMo4
0 ~. s- V6 |% O Diagram No.: 56
3 g; G$ ?" A! [- G4 ] DIN designation: 16CrMo4
4 _) v7 g4 ]9 J, `& O) ` Mat.No. (Wr.Nr.) designation: 1.7242
' D4 I8 Q# e/ R* B% D 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.
7 [1 H7 H/ L. D/ K0 V/ s Steel group: Alloy special structural steels
6 X/ `% B0 _0 ` Applications: Forgings for construction of steam turbines (<= 530 °C)5 Q) a% ~( C N4 \, s; K
Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels! [1 @) m0 b8 ]: o
Source: KTS 2008
$ ?4 D' j: c& l; c6 _5 L: w9 ~+ C$ c, q$ n, ?& |& g; N( I4 Z0 P4 ?6 f' ?
Heat Treatment9 t" D4 {+ x- m$ G' p( ?
Hot working: 850-1100℃
6 c' S; B- Y% W! V9 h4 D. _' }/ H Soft annealing: 650-700℃9 ?6 q) x5 B) N) b; v/ j0 k' U
Hardening in oil: 900-950℃
. g- @' X- I6 Y, N0 \* _. E Tempering: 580-680℃
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