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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
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Material designation: 16CrMo4# K5 y, ~- }' Q
Diagram No.: 569 }( |1 h+ x8 E; r/ F% t. R% m
DIN designation: 16CrMo4
9 N7 X" M2 y$ o6 T Mat.No. (Wr.Nr.) designation: 1.7242$ F7 A3 J8 Q' S9 [# k
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.
' |4 [5 M1 q c8 z- p; W J. J Steel group: Alloy special structural steels" F9 R9 ~5 F, U1 s
Applications: Forgings for construction of steam turbines (<= 530 °C)
+ d( G9 @, B9 A Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels7 c' {( a! S6 ?. J7 M5 ]
Source: KTS 2008
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Heat Treatment7 i% _! R+ @# p/ |$ Y6 ^
Hot working: 850-1100℃
9 a* l% k( a1 ?1 V Soft annealing: 650-700℃# G& `+ C8 o, {
Hardening in oil: 900-950℃4 Z9 g7 j8 f2 X0 B b% o& R
Tempering: 580-680℃
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