笔记97:常见材料的淬火临界直径

常见材料的临界直径
钢种 |
淬火临界直径 |
钢种 |
淬火临界直径 |
||||||
静油 |
20℃水 |
40℃水 |
20℃,5% NaCl水溶液 |
静油 |
20℃水 |
40℃水 |
20℃,5% NaCl水溶液 |
||
优质碳素结构钢 |
30Cr |
15 |
28 |
24 |
29 |
||||
15 |
2 |
7 |
5 |
7 |
35Cr |
18 |
33 |
28 |
34 |
20 |
3 |
8 |
6 |
8 |
40Cr |
22 |
38 |
35 |
40 |
25 |
6 |
13 |
10 |
13.5 |
45Cr |
25 |
42 |
38 |
43 |
30 |
7 |
15 |
12 |
16 |
50Cr |
28 |
45 |
41 |
46 |
35 |
9 |
18 |
15 |
19 |
38CrSi |
35 |
52 |
50 |
54 |
40 |
9 |
18 |
15 |
19 |
20CrMo |
8 |
17 |
14 |
18 |
45 |
10 |
20 |
15 |
……… |
30CrMo |
15 |
28 |
24 |
29 |
50 |
10 |
20 |
16 |
21.5 |
35CrMo |
25 |
42 |
38 |
43 |
55 |
10 |
20 |
16 |
21.5 |
42CrMo |
40 |
58 |
54.5 |
59 |
60 |
12 |
24 |
19.5 |
25.5 |
38CrMoAl |
47 |
69 |
65 |
70 |
65 |
12 |
24 |
19.5 |
26 |
20CrV |
8 |
17 |
14 |
18 |
75 |
13 |
25 |
20.5 |
26 |
40CrV |
17 |
31 |
26 |
32 |
85 |
14 |
26 |
22 |
28 |
50CrVA |
32 |
51 |
47 |
52 |
20Mn |
15 |
28 |
24 |
29 |
15CrMn |
35 |
52 |
50 |
54 |
30Mn |
15 |
28 |
24 |
29 |
20CrMnSi |
15 |
28 |
24 |
29 |
40Mn |
16 |
29 |
25 |
30 |
30CrMnSi |
42.5 |
62 |
60 |
65 |
45Mn |
17 |
31 |
26 |
32 |
20CrMnMo |
25 |
42 |
38 |
43 |
50Mn |
17 |
31 |
26 |
32 |
40CrMnMo |
40 |
58 |
54.5 |
59 |
60Mn |
20 |
36 |
31.5 |
37 |
30CrMnTi |
18 |
33 |
28 |
34 |
65Mn |
20 |
36 |
31.5 |
37 |
20CrNi |
19 |
34 |
29 |
35 |
合金结构钢 |
40CrNi |
24 |
41 |
37 |
42 |
||||
20Mn2 |
15 |
28 |
24 |
29 |
12CrNi2 |
11 |
22 |
18 |
24 |
30Mn2 |
18 |
33 |
28 |
34 |
30CrNi3 |
>100 |
>100 |
>100 |
>100 |
35Mn2 |
20 |
36 |
31.5 |
37 |
12Cr2Ni4 |
36 |
56 |
52 |
57 |
40Mn2 |
25 |
42 |
38 |
43 |
20Cr2Ni4 |
>100 |
>100 |
>100 |
>100 |
45Mn2 |
25 |
42 |
38 |
43 |
45CrNiMoV |
30 |
47 |
43 |
48 |
50Mn2 |
28 |
44 |
41 |
46 |
18Cr2Ni4W |
>100 |
>100 |
>100 |
>100 |
27SiMn |
22 |
38 |
35 |
40 |
55Si2Mn |
20 |
36 |
31.5 |
37 |
35SiMn |
25 |
42 |
38 |
43 |
60Si2Mn |
22 |
38 |
35 |
40 |
42SiMn |
25 |
42 |
38 |
43 |
GCr6 |
12 |
24 |
19.5 |
25.5 |
40B |
10 |
20 |
16 |
21.5 |
GCr9 |
13 |
25 |
20.5 |
26 |
45B |
10 |
20 |
16 |
21.5 |
GCr9SiMn |
25 |
42 |
38 |
43 |
40MnB |
18 |
33 |
28 |
34 |
GCr15 |
15 |
28 |
24 |
29 |
45MnB |
18 |
33 |
28 |
34 |
GCr15SiMn |
29 |
46 |
42 |
47 |
20Mn2B |
7.5 |
15 |
12 |
16 |
T10 |
14 |
26 |
22 |
28 |
20MnVB |
15 |
28 |
24 |
29 |
T12 |
18 |
33 |
28 |
34 |
40MnVB |
22 |
38 |
35 |
40 |
9SiCr |
32 |
51 |
47 |
52 |
20MnTiB |
15 |
28 |
24 |
29 |
Cr2 |
22 |
38 |
35 |
40 |
20SiMnVB |
23 |
40 |
36 |
42 |
9Mn2V |
33 |
42 |
50 |
54 |
15Cr |
8 |
17 |
14 |
18 |
9CrWMn |
75 |
95 |
90 |
96 |
20Cr |
10 |
20 |
16 |
27.5 |

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