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MATERIAL GROUPS USER GUIDE MATERIALS
Hardness Conversion Table
Brinell Hardness (HB) N/mm2 Kpsi
200
300 80 560
400
500 80 560
600
700 100 700
100 700
120 840
120 840
140 980
140 980
160 1120
160 1120
180 1260
180 1260
200 1400
200 1400
220 1540
220 1540
240 1680
240 1680
260 1820
260 1820
280 1960
280 1960
300 2100
300 2100
320 2240
320 2240
10 20 30 40 50 60 70 Tensile Strength
Rockwell “C” Hardness (HRC)
785
