טבלת המרת קושי

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HRCVickersBrinell

ball
Tungsten

Carbide

ball
HRA 60-kg Brale indenterHRB 100-kg 1/16-in.- diam
ball
HRD 10-kg Brale indenterHR15N 15-kgHR30N

30-kg
HR45N

45-kg
Knoop

500-g
Shore

Sclero -scope
Tensile Strength (approx), KsiHRC
6894085.676.993.284.475.49209768
679008576.192.983.674.28959567
6686584.575.492.582.873.38709266
65832(739)83.974.592.281.9728469165
64800(7220)83.473.891.881.1718228864
63772(705)82.87391.480.169.97998763
62746(688)82.372.291.179.368.87768562
61720(670)81.871.590.778.467.77548361
60697(654)81.270.790.277.566.67328160
59674(634)80.769.989.876.665.57108035159
5865361580.169.289.377.564.36907833858
5763359579.668.588.974.863.26707632557
566135777967.788.373.9626507531356
5559556078.566.987.97360.96307430155
545775437866.187.47259.86127229254
5356052577.465.486.971.258.65497128353
52544(500)51276.864.886.470.257.45766927352
51528(487)49676.363.885.969.456.15586826451
50513(475)48175.963.185.568.5555426725550
49498(464)49675.262.18567.653.85266624649
48484(451)48174.761.484.566.752.55106423848
4747144246974.160.883.965.851.44956322947
4645843245573.66083.564.850.34806222146
4544642144373.159.28364494666021545
4443440943272.558.582.563.147.84525820844
434234004217257.78262.246.74385720143
4241239040971.556.981.561.345.54265619442
4140238140070.956.280.960.444.34145518841
4039237139070.455.480.459.543.14025418240
3938236238169.954.679.958.641.93915217739
3837236337169.453.879.457.740.83805117138
3736334436268.953.178.856.839.63705016637
3635433635368.4(109.0)52.378.355.938.43604916136
3534532734467.9(108.5)51.577.75537.23514815735
3433631933667.4(108.0)50.877.254.236.13424715334
3332731132766.8(107.5)5076.653.334.93344614933
3231830131966.3(107.0)49.276.152.133.73264414532
3131029431165.8(106)48.475.651.332.53184314131
3030228630165.3(105.5)47.77550.431.33114213830
2929427929464.7(104.5)4774.549.530.13044113529
2828627128664.3(104.0)46.173.948.628.92974013128
2727926427963.8(103)45.273.347.727.82903912827
2626625827163.3(102.5)44.672.846.826.72843812526
2526025326462.8(101.5)43.872.245.925.52783812225
2425424725862.4(101.0)43.171.64524.32723711924
232482432536210042.171.14423.12663611723
2224323724761.59941.670.543.2222613511422
21 2312436198.540.969.942.320.72563511221