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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
, q, H& a3 R1 T5 p- a' U( N! S$ z. s, |# F5 S
Material designation: 16CrMo44 |6 ]6 e/ S: J2 l, c7 N9 ~
Diagram No.: 56
/ |" R! q1 }) j, G7 _ DIN designation: 16CrMo4
7 R( L6 Q) q; v2 P Mat.No. (Wr.Nr.) designation: 1.7242) O; H- z( r2 a, {/ e: p. c9 ?8 V
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.
0 ]! w: X( y' m, f* K Steel group: Alloy special structural steels6 f E# @0 b, B2 b" p9 N: Y
Applications: Forgings for construction of steam turbines (<= 530 °C)
' Y R) k, K7 q1 ^ Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels
' h* f5 w) C) M& @6 O; }$ t$ N- [- n Source: KTS 2008% E5 q2 m4 w+ Y b2 m- x/ j
# ~* t2 U9 k+ Z& X* _" G* v# u Heat Treatment5 t" Q4 y3 A/ F# }& e
Hot working: 850-1100℃
5 ^. b6 n8 r1 S0 ~4 {- I Soft annealing: 650-700℃
5 X2 f) }* ^$ C Hardening in oil: 900-950℃
! E$ o) b# o; Y5 c Tempering: 580-680℃- e" }( Z8 x% g
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