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bmdub
65
Aug 2, 2018
Does anyone know what the HRC is on these 3V blades?
14themoney
1395
Sep 17, 2018
bmdubNo, but I watched a video where Lynn and Co. were attacking steel car hoods after they assaulted some unsuspecting cinder blocks (8"x8"x16"). They knife survived admirably. Here is some stuff from Crucible's website------> It offers impact resistance greater than A2, D2, Cru-Wear, or CPM M4, approaching the levels provided by S7 and other shock resistant grades. CPM 3V is intended to be used at 58/60 HRC in applications where chronic breakage and chipping are encountered in other tool steels, but where the wear properties of a high alloy steel are required. A bit further down, it indicated that this can be taken to HRC 62. From what I just looked at, the HRC is not linear, but reasonably close. Some have said it is exponential, but that is not correct. The higher the HRC in any given steel results in increasing hardness, i.e. increasing brittleness. Let me guess. HRC=60.