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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
1 e$ ]9 I i7 \' X# ]# e; h$ G4 O* Y5 k! i; b- a( a, F& l
Material designation: 16CrMo4: o' ]4 Q; d) \: S1 ]/ _
Diagram No.: 56" x8 b7 \: ?6 t$ [ z
DIN designation: 16CrMo4: V/ C! h0 s2 m9 t) T" w0 e
Mat.No. (Wr.Nr.) designation: 1.7242
: a7 g$ N+ |1 a7 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.
* ]" k! a0 v) j; Y& S Steel group: Alloy special structural steels
& J, x) j9 z8 u7 o: Z Applications: Forgings for construction of steam turbines (<= 530 °C)
; G4 X: j7 q% r/ [- z Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels7 U$ X1 J4 n9 w j
Source: KTS 20083 v& M: z4 l, q$ ]' I: T4 C
& ?5 e2 C& S" ~7 N/ X8 F Heat Treatment7 I5 E0 z' A! B
Hot working: 850-1100℃8 [. E: ^7 @* d$ S5 P! s
Soft annealing: 650-700℃
% h- G) @3 ]7 _. H( ? Hardening in oil: 900-950℃* \; f/ p& R: f6 N1 x
Tempering: 580-680℃ r* z8 }5 h) J7 q- y: f1 K
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