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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 ' C7 ~" k$ G% D8 J# V
2 k4 J8 m8 {2 e& q+ U" \$ i# f Material designation: 16CrMo46 w1 C# Z8 z6 z4 c. V4 F2 |
Diagram No.: 56
8 D% Z+ |8 ~0 p* w- {8 N DIN designation: 16CrMo4
$ J7 ]/ z- i1 l. I/ v* d Mat.No. (Wr.Nr.) designation: 1.7242
8 N; d) w1 T$ l3 A/ z# ~; U 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 J5 I* V2 E7 c3 l. @
Steel group: Alloy special structural steels
8 k% g( O. A0 t' R% u G Applications: Forgings for construction of steam turbines (<= 530 °C)5 S( D7 k$ z' p8 b& y; Y
Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels
9 }2 M# u, ]( O/ L Source: KTS 2008+ w+ T- y- a0 M& P! ~$ X
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Heat Treatment
; |( ]! E5 s! C/ H$ H0 Z4 {% P Hot working: 850-1100℃) Q- T% D$ |5 C7 M3 L+ [
Soft annealing: 650-700℃7 B6 y3 C$ ~" Y$ L( m
Hardening in oil: 900-950℃
& p# j! Q0 F4 Q Tempering: 580-680℃$ I- T$ V5 L1 V T0 D
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