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Home -> Reference -> Steel Hardness Conversion Table

Steel Hardness Conversion Table

Evenfall Studios - Tooling, Fixtures and Jigs for Hand and Power Tool Woodworking

~ Artisan Made Tooling, Fixtures and Jigs
for Hand and Power Tool Woodworking ~

Handcrafted in Northern California USA • We Ship Internationally

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Brinell Hardness Rockwell Hardness  
Tungsten Carbide Ball 3000 KG A Scale 60 kg B Scale 100 kg C Scale 150 kg Tensile Stength (approx.)
- 86 - 68 -
- 85 - 68 -
- 85 - 67 -
767 85 - 66 -
757 84 - 66 -
745 84 - 65 -
733 84 - 65 -
722 83 - 64 -
712 - - - -
710 83 - 63 -
698 83 - 62 -
684 82 - 62 -
682 82 - 62 -
670 82 - 61 -
656 81 - 60 -
653 81 - 60 -
647 81 - 60 -
638 81 - 59 329,000
630 81 - 59 324,000
627 80 - 59 323,000
601 80 - 57 309,000
578 79 - 56 297,000
555 78 - 55 285,000
534 78 - 54 274,000
514 77 - 52 263,000
495 76 - 51 253,000
477 76 - 50 243,000
461 75 - 48 235,000
444 74 - 47 225,000
429 73 - 46 217,000
415 73 - 44 210,000
401 72 - 43 202,000
388 71 - 42 195,000
375 71 - 40 188,000
363 70 - 39 182,000
352 69 - 38 176,000
341 69 - 37 170,000
331 68 - 36 166,000
321 68 - 34 160,000
311 67 - 33 155,000
302 66 - 32 150,000
293 66 - 31 145,000
285 65 - 30 141,000
277 65 - 29 137,000
269 64 - 28 133,000
262 64 - 27 129,000
255 63 - 25 126,000
248 62 - 24 122,000
241 62 100 23 118,000
235 61 99 22 115,000
229 61 98 20 111,000
223 - 97 20 -
217 - 96 18 105,000
212 - 96 17 102,000
207 - 95 16 100,000
201 - 94 15 98,000
197 - 93 - 95,000
192 - 92 - 93,000
187 - 91 - 90,000
183 - 90 - 89,000
179 - 89 - 87,000
174 - 88 - 85,000
170 - 87 - 83,000
167 - 86 - 81,000
163 - 85 - 79,000
156 - 83 - 76,000
149 - 81 - 73,000
143 - 79 - 71,000
137 - 76 - 67,000
131 - 74 - 65,000
126 - 72 - 63,000
121 - 70 - 60,000
116 - 68 - 58,000
111 - 66 - 56,000

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Fine Woodworking Tools, Fixtures and Jigs that help make woodworking
Faster, Easier and More Accurate. Please visit our Store
to see our full product line of woodworking and sharpening tools!

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"We enjoy making tools, and work to do our best,
because we want our tools to translate fine craftsmanship
transparently through the artisan, so they can create their best work, their vision."

~ Rob Hanson, Evenfall Studios ~

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