Dureza
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Rua Tamotsu Iwasse, 460 - Bonsucesso Guarulhos - SP - Brasil Cep.: 07176-000 Tel.: 6436-3600 Fax.: 6436-3620TABELA DE CONVERSÃO DE DUREZA
BRINELL Impr. mm carga 3.000 kg Esfera 10 (2.05) (2.10) (2.15) (2.20) (2.25) (2.30) (2.35) (2.40) (2.45) (2.50) 2.55 2.60 2.65 2.70 2.75 2.80 2.85 2.90 2.95 3.00 3.05 3.10 3.15 3.20 3.25 3.30 3.35 3.40 3.45 3.50 3.55 3.60 3.65 3.70 3.75 3.80 3.85 3.90 3.95 4.00 Dureza BH (898) (857) (817) (780) (745) (712) (682) (653) (627) (601) 578 555 534 514 495 477 461 444 429 415 401 388 375 363 352 341 331 321 311 302 293 285 277 269 262 255 248 241 235 229
Resist. (kg/mm 2)
ROCKWELL C Rc B Rb A Ra Shore Vickers
BRINELL Impr. mm carga 3.000 kg Esfera 10 4.05 4.10 4.15 4.20 4.25 4.30 4.35 4.40 4.45 4.50 4.55 4.60 4.65 4.70 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 5.30 5.35 5.40 5.45 5.50 5.55 5.60 5.65 5.70 5.75 5.80 5.85 5.90 5.95 6.00 Dureza BH 223 217 212 207 202 197 192 187 183 179 174 170 166 163 159 156 153 149 146 143 140 137 134 131 128 126 124 121 118 116 114 112 109 107 105 103 101 99 97 95
Resist. (kg/mm 2)
ROCKWELL C Rc 20 (18) (17) (16) (15) (13) (12) (10) (9) (8) (7) (6) (4) (3) (2) (1) B Rb 97 96 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 74 73 72 71 70 69 68 67 66 65 64 62 61 60 59 57 56 A Ra 32 31 31 30 30 29 28 28 27 27 26 26 26 25 24 24 23 23 22 22 21 21 21 20 20 223 217 212 207 202 197 192 187 183 179 174 170 166 163 159 156 153 149 146 143 140 137 134 131 128 126 124 121 118 116 114 112 109 107 105 103 101 99 97 95 Shore Vickers
Aço Carbono BHx0,36 323.3 308.5 294.1 280.8 268.2 256.3 245.5 235.1 225.7 216.4 208.1 199.8 192.2 185.0 178.2 171.7 166.0 159.8 154.4 149.4 144.4 139.7 135.0 130.7 126.7 122.8 119.2 115.6 112.0 108.7 105.5 102.6 99.7 96.9 94.3 91.8 89.3 86.8 86.4 82.4
Aço Carbono BHx0,36 80.3 78.1 76.3 74.5 72.7 70.9 69.1 67.3 65.9 64.4 62.6 61.2 59.8 58.7 57.2 56.2 55.1 53.6 52.6 51.5 50.4 49.3 48.2 47.2 46.1 45.4 44.6 43.6 42.5 41.8 41.0 40.3 39.2 38.5