温度/℃
灰铸铁
蠕墨铸铁
球墨铸铁
HT250
HT300
VG90%
VG70%
VG50%
VG30%
100
54.87
46.49
40.21
35.60
31.83
34.76
28.48
200
50.68
45.23
41.04
38.11
31.41
35.60
28.90
300
46.91
40.21
40.62
37.69
31.41
35.18
29.32
400
43.98
36.86
39.37
36.86
30.57
34.34
28.48
500
41.04
33.50
36.02
33.92
29.32
30.99
27.23
700
35.60
30.99
27.23
24.71
25.55
31.83
27.64
900
37.27
30.99
24.71
18.01
24.29
26.39
17.59