HB230-250换算为洛氏硬度是多少啊?

2024-12-26 20:53:47
推荐回答(2个)
回答1:

硬度值HB230-250度换算成洛氏HRC、洛氏HRB、表面洛氏15N、表洛30N和表洛45N如下:
HRC HRB 15N 30N 45N HBW
21.0 60.7 69.3 41.7 20 229
21.5 61.0 69.5 42.2 21 232
22.0 61.2 69.8 42.6 22 234
22.5 61.5 70.0 43.1 22 237
23.0 61.7 70.3 43.6 23 240
23.5 62.0 70.6 44.0 23 242
24.0 62.2 70.8 44.5 24 245
24.5 62.5 71.1 45.0 25 248
25.0 62.8 71.4 45.5 25 25l

回答2:

HB HRC
227 21
234 22
240 23
245 24
251 25