洛氏硬度块
(28-88)HRA
(20-65)HRC
(88-100)HRB
布氏硬度块
(150-600) HBW 10/3000
(150-600) HBW 5/750
(150-600) HBW 2.5/187.5
(75-125) HBW 10/1000
(75-125) HBW 5/250
(75-125)HBW 2.5/62.5
洛氏硬度块
(28-88)HRA
(20-65)HRC
(88-100)HRB
布氏硬度块
(150-600) HBW 10/3000
(150-600) HBW 5/750
(150-600) HBW 2.5/187.5
(75-125) HBW 10/1000
(75-125) HBW 5/250
(75-125)HBW 2.5/62.5