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A2 TOOL STEEL HRC54 versus HRC62
Data
numbers in the table
is the number of the impact roller cycles with the resulting sharpness.
E.g. “ x5 = 250, x10 = 300 “ means after 5 impact cycles the edge
sharpness is 250 BESS, after 10 cycles 300 BESS, and so on.
All sharpened at 15 dps
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A2 Tool Steel HRC54 →
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Rolling
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Steeling
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Initial Sharpness
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140
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SHARPNESS
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x5=340
x10=382
x15=402
x20=430
x25=437
x30=416
x35=421
x40=411
x45=431
x50=424
x60=800
x70=812
x80=793
x90=495
x100=541
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Smooth 264
Smooth 291
Smooth 281
Smooth 305
Smooth 328
Smooth 384
Smooth 333
Smooth 342
Smooth 346
Grooved 199
Smooth 843
Smooth 711
Grooved 178
Smooth 439
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Average 1-50
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409
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smooth 319
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Average 60-100
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688
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smooth 664
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Average Smooth Steel
|
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492
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Average Grooved
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189
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Overall Average
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549
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340
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A2 Tool Steel HRC62 →
|
Rolling
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Steeling
|
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Initial Sharpness
|
129
|
|
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SHARPNESS
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x5=303
x10=297
x15=339
x20=335
x25=329
x30=391
x35=330
x40=340
x45=330
x50=341
x60=465
x70=412
x80=438
x90=447
x100=424
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Smooth 260
Smooth 227
Smooth 219
Smooth 216
Smooth 212
Smooth 230
Smooth 291
Smooth 314
Smooth 296
Grooved 191
Smooth 243
Smooth 350
Smooth 376
Smooth 377
Grooved 176
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Average 1-50
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334
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smooth 252
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Average 60-100
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437
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smooth 337
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Average Smooth Steel
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|
295
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Average Grooved
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184
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Overall Average
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386
|
239
|
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