hrb和hbw硬度對照表

硬度值HB230-250度換算成洛氏HRC、洛氏HRB、表面洛氏15N、表洛30N和表洛45N如下：HRC HRB 15N 30N 45N HBW21.0 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