牌号
铸件壁厚/mm
σb≥MPa(kgf/mm2)
>
≤
HT100
2.5
10
130(13.3)
10
20
100(10.2)
20
30
90(9.2)
30
50
80(8.2)
HT150
2.5
10
175(17.8)
10
20
145(14.8)
20
30
130(13.3)
30
50
120(12.2)
HT200
2.5
10
220(22.4)
10
20
195(19.9)
20
30
170(17.3)
30
50
160(16.3)
HT250
4.0
10
270(27.5)
10
20
240(24.5)
20
30
220(22.4)
30
50
200(20.4)
HT300
10
20
290(29.6)
20
30
250(25.5)
30
50
230(23.5)
HT350
10
20
340(24.7)
20
30
290(29.6)
30
50
260(26.5)
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