I stand corrected by the International Society of Professional Disnologists and have added goofy-looking to my techno jargon dictionary <img src="smile.gif" width=15 height=15 align=middle border=0>!
That's kind of what I felt about the "micro rusting" but I wasn't sure what effect the coating would have. If what BM says about bonding at the molecular level is true then I guess there should be no worries. I wonder, however, what effect the bnding has on the steel's edge retention. I am aware that some coatings actually increase the RC but I have seen where there is often a concern about breaking through the coating and having minor pitting or, I think the term is galvanic, corrosion set in beneath the coating.
I don't have the performance characteristics and alloy contents of BG42 on hand. I do know that it, as well as other steels like ATS-34, 154CM, and 52100, were initially deveoped for use as ball bearing steels and found their way into the knifemaking industry. I have heard that 154CM has performance characteristics of M-2 and F-2 which are used as high speed performance cutting steels. M2 is a "hot" steel but I will have to defer any further deduction on BG42 to Joe.
Crucible Materials Corp.'s S30V is the first steel specifically developed for knife blades. It is not designed to replace the high dollar super steels like CPM S60V, CPM S90V, or CPM 10V but can be used in place of popular knife maker steels like ATS-34, 154CM, BG-42, or even D-2. It's still a new steel. General acceptance by the knife-making industry will be determined by performance data and availability. IMO, the pricepoint for S30V is not stable yet but based on the steels it may replace, if performance is similar I would expect a similar or marginally higher price.
VG-10, interestingly enough, was developed in Japan for use in horticulture knives, so I guess one could argue that S30V is the second steel developed for blade making.
Stay safe! Stay sharp! <img src="spyder.gif" width=15 height=15 align=middle border=0>
Found some current prices from one supplier for a relative illustration of the same size blank:
ATS-34 3/32 X 2 X 72 $52.37
440C 3/32 X 2 X 72 $40.95
154CM 3/32 X 2 X 72 $57.07
S30V 3/32 X 2 X 72 $84.48
S60V 3/32 X 2 X 72 $105.60
S90V 3/32 X 2 X 72 $107.10
Edited by - java on 9/9/2002 8:01:56 AM
Edited by - java on 9/9/2002 6:18:24 PM