里氏硬度計(jì)適用范圍表。沖擊裝置材料硬度制D/DC D+15 C G E DLHRC17.9~68.519.3~67.920.0~69.522.4~70.720.6~68.2HRB59.6~99.647.7~99.937.0~99.9HRA59.1~85.861.7~88.0HB127~65180~638 80~683 90~646 83~663 81~646HV 83~976 80~937 80~996 84~1042 80~950Steel andcaststeel鋼和鑄鋼HS32.2~99.533.3~99.331.8~102.135.8~102.630.6~96.8Steel 鍛鋼 HB143~650HRC20.4~67.119.8~68.220.7~68.222.6~70.2CWT、ST合金工具鋼HV 80~898 80~935 100~941 82~1009HRB46.5~101.7HB 85~655Stainlesssteel不銹鋼HV 85~802HRCHB 93~334 92~326GC. IRON灰鑄鐵HVHRCHB131~387127~364NC、IRON球墨鑄鐵HVHB 19~164 23~210 32~168C.ALUM鑄鋁合金HRB23.8~84.622.7~85.023.8~85.5HB 40~173BRASS銅鋅合金HRB13.5~95.3BRONZE 銅錫(鋁)合金HB 60~290COPPER 純銅HB 45~3155表2序號(hào)材料 里氏硬度 HLD 強(qiáng)度σb(MPa)1 C低碳鋼 350~522 374~7802 C高碳鋼 500~710 737~16703 Cr鉻鋼 500~730 707~18294 CrV鉻釩鋼 500~750 704~19805 CrNi鉻鎳鋼 500~750 763~20076 CrMo鉻鉬鋼 500~738 721~18757 CrNiMo鉻鎳鉬鋼 540~738 844~19338 CrMnSi鉻錳硅鋼 500~750 755~19939 SSST超高強(qiáng)度鋼 630~800 1180~265210 SST不銹鋼 500~710 703~1676