牌 号 | 单铸试棒的力学性能 | 不同壁厚的铸件力学性能 | |||||
新 牌 号 | 旧 牌 号 | σ<>b<>不小于 | 铸件壁厚(mm) | σ<>b<>不小于 | |||
(MPa) | (kgf/mm2<>) | > | ≤ | (MPa) | (kgf/mm2<>) | ||
HT100 | HT10-26 | 100 | 10.2 | 2.5 | 10 | 130 | 13.3 |
10 | 20 | 100 | 10.2 | ||||
20 | 30 | 90 | 9.2 | ||||
30 | 50 | 80 | 8.2 | ||||
HT150 | HT15-33 | 150 | 15.3 | 2.5 | 10 | 175 | 17.8 |
10 | 20 | 145 | 14.8 | ||||
20 | 30 | 130 | 13.3 | ||||
30 | 50 | 120 | 12.2 | ||||
HT200 | HT20-40 | 200 | 20.4 | 2.5 | 10 | 220 | 22.4 |
10 | 20 | 195 | 19.9 | ||||
20 | 30 | 170 | 17.3 | ||||
30 | 50 | 160 | 16.3 | ||||
HT250 | HT25-47 | 250 | 25.5 | 4.0 | 10 | 270 | 27.5 |
10 | 20 | 240 | 24.5 | ||||
20 | 30 | 220 | 22.4 | ||||
30 | 50 | 200 | 20.4 | ||||
HT300 | HT30-54 | 300 | 30.6 | 10 | 20 | 290 | 29.6 |
20 | 30 | 250 | 25.5 | ||||
30 | 50 | 230 | 23.5 | ||||
HT350 | HT35-60 | 350 | 35.7 | 10 | 20 | 340 | 34.7 |
20 | 30 | 290 | 29.6 | ||||
30 | 50 | 260 | 26.5 |