Conversion Table for Tensile                  

        1N  /  mm²         0.101972   kgf  /  mm ²
        1kgf / mm²         9.80665  N  / mm²

        1PSI    1LB / IN²        0.000702      KGF / mm²

                   1kgf / mm²     1419.4          LB / IN²
        1KSI    1.00LB / IN²    IN / mm²      144.74LB / IN²
　
Conversion Table for Hardness
Vickers Brinell Rockwell Shore Tenslle Strength
(HV) (HB) HRB HRC HS (kg/mm²)
470 441 - 46.9 - 158
460 433 - 46.1 62 155
450 425 - 45.3 - 151
440 415 - 44.5 59 148
430 405 - 43.6 - 144
420 397 - 42.7 57 141
410 388 - 41.8 - 137
400 379 - 40.8 55 134
390 369 - 39.8 - 130
380 360 110.1 38.8 52 127
370 350 - 37.7 - 123
360 341 109.0 36.6 50 120
350 331 - 35.5 - 117
340 322 108.0 34.4 47 113
330 313 - 33.3 - 110
320 303 107.0 32.2 45 106
310 294 - 31.0 - 103
300 284 105.5 29.8 42 99
295 280 - 29.2 - 98
290 275 104.5 28.5 41 96
285 270 - 27.8 - 94
280 265 103.5 27.1 40 92
275 261 - 26.4 - 91
270 256 102.0 25.6 38 89
265 252 - 24.8 - 87
260 247 101.0 24.0 37 85
255 243 - 23.1 - 84
250 238 99.5 22.2 36 82
245 233 - 21.3 - 80
240 228 98.1 20.3 34 78
230 219 96.7 18.0 33 75
220 209 95.0 15.7 32 71
210 200 93.4 13.4 30 68
200 190 91.5 11.0 29 65
190 181 89.5 8.5 28 62
180 171 87.1 6.0 26 59
170 162 85.0 3.0 25 56
160 152 81.7 0.0 24 53
150 143 78.7 - 22 50
140 133 75.0 - 21 46
130 124 71.2 - 20 44
120 114 66.7 - - 40
110 105 62.3 - - -
100 95 56.2 - - -
95 90 52.0 - - -
90 86 48.0 - - -
85 81 41.0 - - -

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