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Tabel perbandingan kekerasan sing umum digunakake

a

Panjelasan istilah HRA, HRC, HV
1, Bit pengeboran HRA yaiku awak conical berlian 120 + -0.5 °, kanthi lengkungan ndhuwur 0.2 + -0.002mm lan beban 60Kg.
2, Bor HRC minangka awak conical berlian 120 + -0.5 °, kanthi lengkungan ndhuwur 0.2 + -0.002mm lan beban 150Kg
3, HV lumahing diagonal saka 136 ° quadrangular piramida bor inten bor, Nilai atose punika meksa tartamtu ing area unit indentation, beban punika pasukan 50/100 gram, area indentation sawetara um, Nilai punika kg / mm

HV HRC HRA HV HRC HRA HV HRC HRA
1700.0 80.5 92.5 528.0 51.0 76.0   31.0 66.0
1600.0 80.0 92.0 513.0 50.0 76.0 301.0 30.0 66.0
1550.0 79.0 91.5 498.0 49.0 76.0   29.0 65.0
1500.0 78.0 91.0   48.5 75.0   28.5 65.0
1450.0 77.0 90.5 485.0 48.0 75.0 285.0 28.0 65.0
1400.0 76.0 90.0   47.5 74.5   27.5 64.5
1350.0 75.0 89.5 471.0 47.0 74.0   27.0 64.0
1300.0 74.0 89.0 458.0 46.0 73.5   26.5 64.0
1250.0 73.0 88.5   45.0 73.0 271.0 26.0 64.0
1200.0 72.0 88.0 446.0 44.5 73.0   25.5 63.5
1150.0 71.5 87.5 435.0 44.0 73.0   25.0 63.0
1140.0 71.0 87.0   43.5 72.5   24.5 63.0
1076.0 70.0 86.5   43.0 72.0 257.0 24.0 62.5
1004.0 69.0 86.0 413.0 42.0 72.0   23.5 62.0
942.0 68.0 85.8   41.5 71.5   23.0 62.0
894.0 67.0 85.0   41.0 71.0   22.5 62.0
854.0 66.0 84.5   40.5 70.5   22.0 62.0
820.0 65.0 84.0 393.0 40.0 70.5   21.5 61.5
789.0 64.0 83.5   39.5 70.0   21.0 61.0
763.0 63.0 83.0   39.0 70.0   20.5 61.0
739.0 62.0 82.5   38.5 69.5 236.0 20.0 61.0
716.0 61.0 82.0 373.0 38.0 69.0 223.0 19.5 60.5
695.0 60.0 81.5   37.5 69.0 217.0 19.0 60.0
675.0 59.0 81.0   37.0 69.0   18.5 60.0
655.0 58.0 80.5   36.5 68.5 209.0 18.0 60.0
636.0 57.0 80.0 353.0 36.0 68.0 205.0   60.0
  56.5 79.5   35.5 68.0 197.0   59.0
617.0 56.0 79.0   35.0 67.5 195.0   58.0
598.0 55.0 78.0 334.0 34.5 67.0 191.0   57.5
580.0 54.0 78.0   34.0 67.0 186.0   56.0
562.0 53.0 78.0   33.5 67.0      
545.0 52.0 77.0 317.0 32.0 67.0      
  51.5 76.5   31.5 66.0      

Wektu kirim: Apr-18-2024