标准硬度块 品 名 规 格 尺寸(mm) 洛氏硬度块 (28-88)HRA Φ60×10 (20-65)HRC (88-100)HRB 表洛氏硬度块 (79-91)HR15N Φ60×10 (42-80)HR30N (20-70)HR45N (88-93)HR15T (70-82)HR30T (55-72)HE45T 布氏硬度块 (150-600)HBW 10/3000 Φ90×15 (150-600)HBW 5/750 (150-600)HBW 2.5/187.5 Φ64×12 (75-125)HBW 10/1000 Φ90×15 (75-125)HBW 5/250 (75-125)HBW 2.5/62.5 Φ64×12 垂击布氏条 (150-250)HBS 5/750 12×12×150 维氏硬度块 (150-750)HV5 Φ60×10 (150-750)HV10 (150-750)HV30 显微硬度块 (200-300)HV0.05 Φ25×5 (200-300)HV0.1 (400-500)HV0.1 (400-500)HV0.2 (700-800)HV0.2 (400-500)HV0.3 (700-800)HV0.3 (700-800)HV0.5 (700-800)HV1 里氏硬度块 (490-570)HLD Φ90×55 (590-670)HLD (750-830)HLD 里氏硬度块 (490-570)HLD Φ90×55 (590-670)HLD