In the book he cites the image as coming from a bohler document. Vanadis 4 extra, max 64 hrc esr shock resistant grades conventional shock resistant grades sverker 21, max 62 hrc sleipner, max 64 hrc unimax, max 59 hrc caldie, max 61 hrc vanadis 8, max 65 hrc. M390 vs 20cv vs 204p 3rd generation powder metallurgy. It is intended for cold work processes, such as blanking and piercing, applied. Uddeholm vanadis 4 extra superclean is the most versatile pm tool steel on the market today, combining high wear resistance with very good ductility and resistance to chipping of edges. Zt seems mighty impressed with it for such applications. It has better edge holding than cpm 3v and is tougher than m4. Cpm 4v is very close to the composition of bohler uddeholm vanadis 4 extra. I have a number of folders in m390 and it is my steel of choice for most of my knives. Everyday low prices and free delivery on eligible orders. In my quest for the knives from exotic steels ive worked with a lot of knife makers and have tried a lot of steels which are rare, hard to obtain, difficult to work with and as such, not very popular with many knifemakers. Pdf structure and composition of the white layer in the. Structure and composition of the white layer in the wireedm process. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier.
Pdf evaluation of wear performance of cryogenically. The characteristics of the white layer should affect the. Knife steel composition chart country knives online knife retailer. I live in michigan and really dont spend much time at all near the. Approximate room temperature impact strength as a function of hardness is shown below. A pinondisk friction and wear test was conducted to test the critical load for serious dry sliding wear of vanadis 4 extra steel at a sliding speed of 0. The chemical composition and the very latest in production technique make the. Uddeholm vanadis 4 extra superclean uddeholm germany. Use our knife steel composition chart to compare stainless steel, nonstainless and alternate alloy knife.
Elmax, vanax, vanadis 4, vanadis 8, sleipner duration. Just wondering whether the v4 may be a better choice. In other words, the steel composition is more important for carbide size than. Im vergleich zu anderen hochlegierten pmwerkzeugstah. Uddeholm vanadis 4 extra superclean offers a very good machinability and. Buy fiesta magazine, volume 35, number 4, 2001 by isbn. Vanadis 4 steel chemical composition, metal properties. One major difference between m390 and vanadis 4 extra is that m390 has a. Vanadis 4 extra, cryogenic treatment, microstructure, wear resistance. Caldie is a chromiummolybdenumvanadium alloyed tool steel manufactured by uddeholms ab.