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CPM S30V is a martensitic (hardened) powder-made (sintered) wear and corrosion-resistant stainless steel developed by Dick Barber of Crucible Industries in collaboration with knifemaker Chris Reeve. [ 1 ] [ 2 ] Its chemistry promotes the formation and even distribution of vanadium carbides , which are harder and more resistant to abrasion than ...
CPM S30V, [35] on the lower end of the SxxV steels, it has a carbon content of 1.45%. However, S30V is still considered to be a superior choice for knife making. CPM S30V is used in a wide range of commercial knives. CPM S35VN [36] is a martensitic stainless steel designed to offer improved toughness over CPM S30V. It is also easier to machine ...
S90V was featured in a sprint run of Spyderco's Military in 2004. Since then it has been used in several sprint runs in knives like the Manix 2 and Paramilitary 2. While S90V holds an edge better than S30V, both are usually hardened to about 59–61 RC. CTS-20CP, Carpenter Technology's version of S90V, with slightly reduced chromium. Features ...
Schrade Cutlery [47] and Spyderco use 154CM, 440C, D2, S30V, S60V and S90V steel, [48] [49] [50] and Ernest Emerson's knives are hard-ground from differentially heat-treated A2 tool steel. [51] Emerson Knives machines blades from 154CM steel, [citation needed] and Mike Snody uses A2, S35V, 154CM and 440C steels.
Blade steels such as 154CM, D2, CPM S30V steel, CPM S90V steel, CPM 20CV, N690 and M390 are used on many models. Benchmade also uses high speed M2 and CPM M4 tool steels. [9] Benchmade receives a significant amount of revenue from selling restricted-sales knives to the military and law enforcement. [10]
The Gryazev-Shipunov GSh-23 (Russian: ГШ-23) [1] is a twin-barreled 23 mm autocannon developed in the Soviet Union, primarily for military aircraft use. It entered service in 1965, replacing the earlier Nudelman-Rikhter NR-23 and Rikhter R-23.
The Gryazev-Shipunov GSh-30-2 (ГШ-30-2) or GSh-2-30 is a Soviet dual-barrel autocannon developed for use on certain ground attack military aircraft and helicopters.. The cannon is not related to the Gryazev-Shipunov GSh-30-1, but is a recoil-operated cannon using the Gast principle, like the Gryazev-Shipunov GSh-23L.
It was founded in 1987 by XMT Ltd., in Northampton, UK. as Euro III-Vs Review. [1] [2] The founding editor was Roy Szweda, who continues as an associate editor contributing articles, editorials and news. The inspiration for the launch was the U.S. magazine III-Vs Technology Review. It featured articles on advanced semiconductor industry. [3]