Welcome to RM Aerospace Alloys. Manufacturer of a wide range of Round Bars, Stainless Steel Pipe, Aluminium Alloys, Stainless Steel Rod, Bronze Alloys, Alloy Steel Round Bar, Duplex Steel, Alloy Steel Bar, Aluminium Plate, Boiler Steel Plates, Nickel Alloy Products, Titanium Products.

Hardness Conversions Chart

Hardness Conversions Chart
Brinnel Hardness HB Vickers Hardness HV Rockwell Hardness HRC Roclffell Hardness HRB Tensile Strength ksi
321 339 34 108 158
311 328 33 108 154
302 319 32 107 150
293 309 31 106 146
285 301 30 105 142
277 292 29 104 138
269 284 28 104 135
262 276 27 103 131
255 269 25 142 125
248 261 24 101 121
241 253 23 100 119
235 247 22 99 117
229 241 21 98 113
223 234 - 97 110
217 228 - 96 107
212 222 - 95 102
207 218 - 95 100
202 212 - 94 98
197 207 - 93 96
192 202 - 92 94
187 196 - 91 90
183 192 - 90 85
179 188 - 89 87
174 182 - 88 84
170 170 - 87 82
166 175 - 86 80
163 171 - 85 78
159 167 - 84 77
156 163 - 83 76
153 160 - 82 75
149 156 - 81 74
146 153 - 80 72
143 150 - 79 71
140 147 - 78 70
134 140 - 75 66
131 137 - 74 65
128 134 - 73 64
126 132 - 72 80
124 129 - 71 62
121 127 - 70 60
118 124 - 69 59