Conversão aproximada de Durezas Padrões para Metais Não Ferrosos Alumínio Dureza Brinell 160 155 150 145 140 135 130 125 120 115 110 105 100
Dureza Vickers 189 183 177 171 165 159 153 147 141 135 129 123 117
Dureza Rockwell (escalas)
Dureza
B
E
H
15-T
30-T
15-H
91 90 89 87 86 84 81 79 76 72 69 65 60
– – – – – – – – 101 100 99 98 –
– – – – – – – – – – – – –
89 89 89 88 88 87 87 86 86 86 85 84 83
77 76 75 74 73 71 70 68 67 65 63 61 59
95 95 94 94 94 93 93 92 92 91 91 91 90
Brinell 95 90 85 80 75 70 65 60 55 50 45 40
Dureza Vickers 111 105 98 92 86 80 74 68 62 56 50 44
Dureza Rockwell (escalas) B
E
H
15-T
30-T
15-H
56 51 46 40 34 28 – – – – – –
96 94 91 88 84 80 75 70 65 59 53 46
108 107 106 104 102 100 97 94 91 87 83
82 81 80 78 76 74 72 70 67 64 62 59
57 54 52 50 47 44 – – – – – –
90 89 89 88 87 86 85 83 82 80 79 77
NOTA: Conversão de durezas equivalente à Norma ASTM E-140
Cobre Dureza Vickers 130 128 126 124 122 120 118 116 114 112 110 108 106 104 102 100 98 96 94 92 90 88 86
Dureza Rockwell (escalas) B
F
15-T
30-T
45-T
67,0 66,0 65,0 64,0 62,5 61,0 59,5 58,5 57,0 55,0 53,5 52,0 50,0 48,0 46,5 44,5 42,0 40,0 38,0 35,5 33,0 30,5 28,0
99,0 98,0 97,0 96,0 95,5 95,0 94,0 93,0 92,5 91,5 91,0 90,5 89,5 88,5 87,5 87,0 85,5 84,5 83,0 82,0 81,0 79,5 78,0
– 87,0 – 86,0 85,5 – 85,0 – 84,5 – 84,0 83,5 – 83,0 82,5 82,0 81,0 80,5 80,0 79,0 78,0 77,0 76,0
69,5 68,5 67,5 66,5 66,0 65,0 64,0 63,0 62,0 61,0 60,0 59,0 58,0 57,0 56,0 55,0 53,5 52,0 51,0 49,0 47,5 46,0 44,0
49,0 48,0 46,5 45,0 44,0 42,5 41,0 40,0 38,5 37,0 36,0 34,5 33,0 32,0 30,0 28,5 26,5 25,5 23,0 21,0 19,0 16,5 14,0
Dureza
Dureza
Brinell 119,0 117,5 115,0 113,0 111,0 109,0 107,5 105,5 103,5 102,0 100,0 98,0 96,0 94,0 92,0 90,0 88,0 86,5 85,0 83,0 81,0 79,0 77,0
Vickers 84 82 80 78 76 74 72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 42 40
NOTA: Conversão de durezas equivalente à Norma ASTM E-140
8
Dureza Rockwell (escalas)
Dureza
B
F
15-T
30-T
45-T
25,5 23,0 20,0 17,0 14,5 11,5 8,5 5,0 2,0 – – – – – – – – – – – – – –
76,5 74,5 73,0 71,0 69,0 67,5 66,0 64,0 62,0 60,0 58,0 56,0 54,0 51,5 49,0 47,0 44,0 41,5 39,0 36,0 33,5 30,5 28,0
75,0 74,5 73,5 72,5 71,5 70,0 69,0 67,5 66,0 64,5 63,5 61,0 59,0 57,0 55,0 53,0 51,5 49,5 47,5 45,0 43,0 41,0 38,5
43,0 41,0 39,5 37,5 36,0 34,0 32,0 30,0 28,0 25,5 23,5 21,0 18,0 15,5 13,0 10,0 7,5 4,5 1,5 – – – –
12,0 9,5 7,0 5,0 2,0 – – – – – – – – – – – – – –
Brinell 75,0 73,0 71,5 69,5 67,5 66,0 64,0 62,0 60,5 58,5 57,0 55,0 53,0 51,5 49,5 48,0 46,5 44,5 42,0 – – – –