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  1. 76.9. These corrections are approximate only and represent the averages to the nearest 1/2 Rockwell number. 1: A 10 mm steel ball was used for 450 BHN and below. A 10 mm carbide ball was used above 450 BHN. Hardness vs Minimum Thickness Chart 55.

  2. 13 paź 2023 · HARDNESS CONVERSION TABLE 31.01.23/ 62142323 www.struers.com for Non-Austenitic Steels Rockwell C Vickers Brinell Knoop Rockwell Rockwell Superficial Scleroscope 150 kgf (HRC) (HV) 10 mm Steel ball 3000 kgf (HBS30) 10 mm Carbide ball 3000 kgf (HBW30) 500 gf and over (HK) A Scale 60 kgf (HRA) D Scale 100 kgf (HRD) 15N Scale 15 kgf (HR15N)

  3. HARDNESS COMPARISION TABLES. Vickers, Brinell and Rockwell hardness as well as tensile strength in steel and cast steel. Table A.1 Conversion of hardness to hardness and hardness to tensile strength for unalloyed and low-alloyed steels and cast steels. The table values are guide values.

  4. ROCKWELL HARDNESS TESTERS. Bulletin No. 2059(2) Minimum Thickness Chart. √ - Can be tested - no minimum hardness. A complete line of Rockwell Hardness Testing Machines to suit practically every application. Rockwell hardness scales Preliminary test force: 98.07N (10kgf) Rockwell Superficial hardness scales Preliminary test force: 29.42N (3kgf)

  5. HARDNESS CONVERSION CHART HRA HRB HRC HRD HRE HRF 15-N 30-N 45-N 30-T 3000 kg 500 kg Rockwell Rockwell Superficial Brinell Vickers Shore 61 98 21 40.9 --- --- 69.9 42.3 20.7 81 228 189 243 35

  6. Hardness Conversion Table 750 710 682 653 578 555 534 495 479 450 425 403 382 363 346 329 313 298 275 258 241 228 215 204 194 184 176 168 161 155 149 144 139 134 129 125 121 118 114 111 108 108 103 100 98 95 93 91 Brinell Hardness 10-mm Std. Ball 3000-kgf load 85.0 84.0 83.0 81.0 80.0 79.0 78.0 77.0 75.5 74.5 73.5 72.5 71.5 70.5 69.5 68.5 67.5 ...

  7. Hardness Conversion Chart Approximate equivalent hardness numbers for carbon and alloy steels. 79.5 - 56.8 68.3 88.8 74.6 63.0 591* 630 667 76 - ... Hardness Testing, ASM Internationals, Metals Park, OH, 1987 www.engineersedge.com www.corrosionsource.com. Title: HardnessConvPrint

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