Transcription of HARDNESS CONVERSION TABLE - DEL METALS
1 HARDNESS CONVERSION TABLE . Approximate equivalent HARDNESS numbers for Brinell HARDNESS numbers for steel and approximate relationship between Brinell HARDNESS number and tensile strength for steel. Rockwell HARDNESS Number Brinell HARDNESS Brinell Indentation Number 3000-Kg Load Tensile Strength (approximate). B-Scale 100-Kg Load 1/16 C-Scale 150-Kg Load Diameter mm 10 mm Tungsten in. Dia. Ball Brale Penetrator Carbide Ball Ksi Mpa 745 - - - 682 - - - 653 - 60 - - 627 - 323 2225. 601 - 309 2130. 578 - 56 297 2050. 555 - 285 1965. 534 - 274 1890. 514 - 263 1815. 495 - 51 253 1745. 477 - 243 1675. 461 - 235 1620. 444 - 225 1550. 429 - 217 1495. 3 415 - 210 1450. 401 - 202 1395. 388 - 195 1345. 375 - 188 1295. 363 - 182 1255. 352 (110) 176 1215. 341 (109) 170 1170. 331 ( ) 166 1145. 321 (108) 160 1105. 311 ( ) 155 1075. 302 (107) 150 1035.
2 293 (106) 145 1000. 285 ( ) 141 970. 277 ( ) 137 945. 269 (104) 133 915. 262 (103) 129 890. 255 (102) 126 870. 248 (101) 122 840. 241 10 118 815. 235 99 115 795. 4 229 111 765. 223 ( ) - - 217 ( ) 105 725. 212 (16) 102 705. 207 ( ) 100 690. 201 ( ) 98 675. 197 ( ) 95 655. 192 ( ) 93 640. 187 (10) 90 620. 183 90 (9) 89 615. 179 89 (8) 87 600. 194 ( ) 85 585. 170 ( ) 83 570. 167 86 ( ) 81 560. 163 85 ( ) 79 545. 156 ( ) 76 525. 149 - 73 503. 5 143 78 - 71 490. 137 - 67 460. 131 74 - 65 450. 126 72 - 63 435. 121 - 60 415. 116 - 58 400. 111 - 56 385. 1|Pag