Learn all about knife steels, from cpm and bohler to everything in between. This is one of the most wear resistant tool steels. Grinding recommendations for cpm 10v coldwork tool steel. Cpm 10v was the first in th e family of high vanadium tool steels made by the crucibl e particle metallurgy process. I think the superior toughness of 4v is due to the minor differences in composition leading to lower carbon in solution rather than superior processing technology by either company.
Jul 30, 2019 cpm 10v knife steel crucible powder metallurgy cpm high vanadiumcontent steel. Cpm 10v aisi a11, highly wearresistant tool steel, toughness comparable with d2 tool steel. May 10, 2017 the vanadium carbides can be manipulated to provide a superior ability of sharpening and edge holding. Toughness is key on harduse camp knives and fixed blades. Mental toughness and resilience western illinois university. The higher carbon and vanadium content provides better wear resistance while sacrificing some toughness.
Toughness is critical to gaining an edge in sports and life, and this book provides lessons to help you succeed from a wellrespected expert. Bilas is an experienced basketball player and coach. The good impact toughness is the result of the fine grain size, small carbides, and superior cleanliness of. Tips for choosing tool steels, heat treatment, and surface. A fouryear starter at duke, he learned a strong work ethic under coach mike krzyzewski. These grades provide the closest wear and hardness properties to carbide, while offering the toughness properties of tool steels. These are the top mental toughness books so far of 2016. In the charts above, 10v and pm a11 are the same, and 420cw and s90v are the same. Sep 10, 2008 10minute toughness is a solid mental training program. Hayhugh, 10v is pretty much in the realm of a speciality steel. Cpm 20cv, falling between s35vn and s90v carbidewise, can thus evince similar toughness. Breathe in for a count of 6, hold it for 2 counts, then exhale for 7 counts.
Mar 04, 2014 toughness is critical to gaining an edge in sports and life, and this book provides lessons to help you succeed from a wellrespected expert. The vanadium carbides can be manipulated to provide a superior ability of sharpening and edge holding. We buy this in 36 lengths and sell it in 12, 24 and. But simply hoping for mental toughness isnt going to build any mind muscles. H tool steel is a versatile chromiummolybdenum hot work steel that is widely used in hot work and cold work tooling applications. Pdf microstructure and process induced residual stresses of laser.
S6 general purpose tool steel with high strength and good toughness. Austenitized as indicated and tempered to hardness. You need a proven routine of daily exercises to get you where you want to go. The company produces high speed, stainless and tool steels for the automotive, cutlery, aerospace, and machine tool industries. On paper cpm 3v looks to combine high toughness and wear resistance, however the two knives used did not exhibit such performance. It is designed with a tough, air hardening base analysis with added high carbon and vanadium for exceptionally good wear resistance, toughness and strength for cold and warm work tooling applications. Crucible tool steel and specialty alloy general information. We are dedicated to providing access to everyone interested in building mental toughness. Crucibles cpm s110v is the highest alloy stainless steel made today. This is approximately 10 minutes of prescribed visualizations designed to prepare you for your workout, practice, training, game or event. From my recollection cpm crucible powder metallurgy, or something like that, i think 10v is a highercost, more uniform high speed steel. Zwear is the same as cpm cruwear, psf27 is a sprayform d2, 40cp is a powder metallurgy 440c.
Toughness, rc values higher than 60 6263 is fine and good wear resistance is important. Its a very aggressive cutter especially with a coarse edge and will feel like cutting with a hacksaw. Mental training is a must for high performance both on the field and off. Involves the extent to which individuals feel in control of their lives and circumstances, as well as how one controls their emotions. Dont get too carried away with the perceived rankings, its not an exact science and this is simply my way of bucketing the steels into general performance categories based on a variety of factors. Below is the knife steel nerds toughness data in table format for a better comparison with the above tables. Note the difference in toughness between m4 and cpm m4 in the chart. Just shy of 10 inches 254mm overall, the spyderco k2 features a 4.
In these cases, the normal recommendation is to use cpm 10v or 15v instead of carbide in most applications, or rex t15, rex 76 or rex 121 when high hardness is needed. Its extremely stainless, has very high wear resistance and impressive strength and toughness. Apr 22, 2019 in the charts above, 10v and pm a11 are the same, and 420cw and s90v are the same. Toughness this steel has outstanding toughness, so you can expect it to survive abuse in the field and in survival scenarios. It does however take a very nice edge and will get extremely sharp if. Any given grade of tool steel will have greater toughness at a lower. The good impact toughness is the result of the fine grain size, small carbides, and superior cleanliness of the powder. The carbon amount allows for high hardness without sacrificing ductile strength. Cpm 15v tool steel data sheet cpm 15v is a higher carbon and vanadium version of a11 pm. Cpm 10v has a higher vanadium content for more wear resistance than d2. You will find the best selling mental toughness books here on this site. Mental toughness is best understood as a mindset which describes the default response we make when faced with stressors, pressures or challenges. Cpm 10vs toughness and machining characteristics are comparable to d2 and m2, but its 9.
Cpm 10v aisi a11 cpm 10v is a unique tool steel made by the crucible particle metallurgy process. So, here are the top 7 mental toughness books that will make you better. On paper cpm3v looks to combine high toughness and wear resistance, however the two knives used did not exhibit such performance. Cpm 10v optimized the vanadium content to provide superior wear resistance while maintaining toughness and fabrication characteristics comparable to d2 and m2 material. On a miniscule niche market basis, i weld cpm m4 to mild steel a36 shanks for high end woodworking plane irons.
Figure 21 shows impact toughness data for cpm 10v compared to d2, m2. I would say the most popular and highest performing stainless steels on the market today are 440c, cpms30v, 154cm, 12c27, aus8. Yes, technically there are better steels out there cpm125v, cpm10v, k294 to name a few but these are extremely rare in the marketplace. David barnett cpm m4 and cpm 10v can be forged, sort of.
It has nothing to do with size, physical strength or athleticismits an intangible, an attitude, a philosophy, stated jay bilas in his book i recently read called toughness. Aug 05, 2003 from my recollection cpm crucible powder metallurgy, or something like that, i think 10v is a highercost, more uniform high speed steel. I use carbide endmills and drills on 10v, and new high speed taps. It is designed with a tough, air hardening base analysis with added high carbon and vanadium for exceptionally good wear resistance, toughness and strength for. Machining of pm tool steels machining handbooks asm. Sep 29, 2014 just shy of 10 inches 254mm overall, the spyderco k2 features a 4. The 10v costs about 10x what normal tool steels cost, but has much better wear resistance. At the same time, it is incredibly helpful for entrepreneurs and creative people to improve mental toughness that helps to thrive in a competitive environment. Crucible has also made a point of declaring transverse toughness comparisons to better show the advantage of pm manufacture, but it should be noted that the values thus achieved are much lower for all. Cpm10v hrc 63 cpm10v hrc 60 pmm4 hrc 62 m4 hrc 62 m2 hrc 62 d2 hrc 61 a2 hrc 60 o1 hrc 60 s7 hrc 58 toughness wear resistance article reprinted with permission from the mayjune 2000 issue of stamping journalcompressive strength.
Cpm 10v was the first in the family of high vanadium tool steels made by the crucible particle metallurgy process. Former duke basketball player and current espn college hoops analyst bilas surveys an allstar cast of athletes and coaches to define the true meaning of. Slowing down is the key, it doesnt like much speed or feed as you. Crucible engineers optimized the vanadium content to provide superior wear resistance while maintaining toughness and fabrication characteristics comparable to d2 and m2.
High speed stamping dayton lamina corporation pages 1 20. The south fork sank to a depth of 284 11 pages into a phone book with the edge with a rough finish from a silicon carbide stone. The only advantage is that when you do make something out of d2, it now seems to cut like butter compared to the 10v. The good impact toughness is the result of the fine grain size, small carbides, and superior. I have been using it for 15 years or so and recommend it for applications where sharpening in the field is inconvienent and the user wants a knife that will hold an edge a long time on abrasive materials like elk hide, hair and pig bristles. The hardness was measured on a newage industries me2. Jim nantz if you want the true definition of toughness as it relates to sports and life, this is a must read. This is the principle reason to select cpm 3v for a knife.
Cpm20cv, falling between s35vn and s90v carbidewise, can thus evince similar toughness. Mar 30, 2020 on an unrelated note, the f temper of 4v led to lower toughness than the 400f temper, which was also found with cpm cruwearzwear. This grade provides excellent wear resistance and high toughness, but at a cost. I can do anything from a fully polished beauty to a belt finished field knife and know that the steel will stand up to generations of use. Metallurgy process can greatly enhance toughness of a given tool steel grade over its conventional counterpart. Stellite 6 is a cobase wear resistant alloy containing 1% c, 27% cr, 4. Cpm 10v s toughness and machining characteristics are comparable to d2 and m2. Both must be kept above 1700f and are not as forgiving as other steels at the boundaries of their forging ranges. Typical annealed hardness values for asp 23 are about 26 hrc maximum. Forging range is narrower and higher 20002100f than for a2 18002000f or o1 17001900f. Pm particle metallurgy process can greatly enhance the toughness of a given grade of tool steel over its conventional counterpart. A very large volume of hard vanadium carbides provides the high wear resistance. Feb 05, 20 former duke basketball player and current espn college hoops analyst bilas surveys an allstar cast of athletes and coaches to define the true meaning of toughnessand suggest how it can be developed.
Involves the extent to which individuals feel in control of their lives and circumstances, as. The cocrw system alloy retains its hardness at elevated temperatures and is especially effective for wear applications at high temperatures or in a corrosive environment, and are widely used as a wear, corrosion, and heatresistant material 43. Edge retentionwear resistance cpm 3v steel does not hold its edge as well as some other steels like s35vn or s30v. This is a great choice if you are looking for something with lots of wear resistance, but is not a really tough material. The 10mt means 10 minute toughness and is the central component of the training system. Cpm 10v tool steel material information cpm 10v material was the first in the family of high vanadium tool steels made by crucible. So we have covered what puts the stainless in stainless steel. A large volume of hard vanadium carbides provides the high wear resistance. Espn basketball analyst and former duke player jay bilas looks at the true meaning of toughness in this new york times bestselling book that features stories from basketball legends. Cpm 9v, a modification of cpm 10v with lower carbon and vanadium to improve toughness and heat check resistance. Hudson tool steel provides a variety of in stock tool steel and high speed tool steels at a great price hudson tool steel california. Cpm 10v steel cpm stands for crucible particle metallurgy, which is a brand name. A11 is designed with an air hardening base analysis with added high carbon and vanadium for exceptionally good wear resistance, toughness and strength for cold work tooling applications. In no particular order these stainless steels offer superior stain fighting powers and will hold an edge if properly maintained.
Crucible industries, commonly known as crucible, is an american company which develops and manufactures specialty steels, and is the sole producer of crucible particle metallurgy cpm steels. Cpm 10vs toughness and machining characteristics are comparable to d2 and m2. Currently used by a few custom knife makers, including christopher big chris berry. Any given grade of tool steel has greater toughness at lower hardness. M390 vs 20cv vs 204p 3rd generation powder metallurgy. The hot hardness hot strength of h resists thermal fatigue cracking which occurs as a result of cyclic heating and cooling cycles in hot work tooling applications. Cpm 10v knife steel crucible powder metallurgy cpm high vanadiumcontent steel. To balance the strength of its broad bowiestyle blade, the k2 feature. Included are also the best selling books on sport psychology, leadership, teamwork, communication, focus, training, and books about overcoming obstacles and adversity in life. The point is too slim due to the distal taper to do a heavy stab, extreme control would be required to prevent the point from bending during the impact. Mar 05, 20 espn basketball analyst and former duke player jay bilas looks at the true meaning of toughness in this new york times bestselling book that features stories from basketball legends.