|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Mo
|
V
|
|
0.38-0.42
|
0.8-1.2
|
0.3-0.5
|
≤0.025
|
≤0.005
|
4.8-5.5
|
1.2-1.5
|
0.9-1.1
|
|
热膨胀系数
[10 -6 m/(m×K)] |
20-100℃
|
20-200℃
|
20-300℃
|
20-400℃
|
20-500℃
|
20-600℃
|
20-700℃
|
|
|
10.9
|
11.9
|
12.3
|
12.7
|
13.0
|
13.3
|
13.5
|
||
|
热传导性
[W/(m×K)] |
20℃
|
350℃
|
700℃
|
|
||||
|
20.0
|
23.0
|
26.2
|
|
|||||
|
锻造
|
软性退火
|
淬硬
|
回火
|
|
1100-900℃
|
820-840℃
|
1020-1050℃
|
520-700℃
|
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