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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 0 ` C/ L+ I+ b- ^0 p0 s4 S2 v
9 q& g+ ?' ^$ K Material designation: 16CrMo4
- N. G" B# v" N( g) ~ W5 X Diagram No.: 56
. w9 F1 l; d, M: M DIN designation: 16CrMo4
% K* ^0 |5 e( |' N( X Mat.No. (Wr.Nr.) designation: 1.72427 n0 M) _! F5 u$ n) ^& }
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.
# h$ [7 B" p4 U6 f" { Steel group: Alloy special structural steels, [. _4 R' d: c2 G4 A3 x' q% p
Applications: Forgings for construction of steam turbines (<= 530 °C)
/ f- R4 j3 \/ v5 Z0 ^ Comment: Alloy special structural steels: Structural steels, Cr-Mo-steels with < 0,35% Mo, Cr-Mo-B-steels
- Y$ a5 V6 h) B* e/ ?' ?2 l4 j, N Source: KTS 2008
- i1 i7 g4 M- T4 i' e* B* t+ z8 W/ \* ]" P1 c+ P
Heat Treatment
# A. k+ i/ m2 b; c9 h Hot working: 850-1100℃% ?* n! y" C$ \, ^4 F6 Q0 e$ I! k% r
Soft annealing: 650-700℃
3 R+ m. @3 S# {$ i: Q Hardening in oil: 900-950℃
; F/ r4 r1 d2 v, ^5 c8 N, f7 J Tempering: 580-680℃
6 h; {& J% Y; _' s: ?6 v; h$ r6 q( N |
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