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1095, a popular high-carbon steel for knives; it is harder but more brittle than lower-carbon steels such as 1055, 1060, 1070, and 1080. It has a carbon content of 0.90-1.03% [7] Many older pocket knives and kitchen knives were made of 1095. With a good heat treat, the high carbon 1095 and O-1 tool steels can make excellent knives.
The Best Pocket Knives. Best Overall: SOG Twitch II. Best Spring-Assisted Knife: Kershaw Link. Most Affordable: Opinel No. 8 Carbon Steel Pocket Knife. Best Value: Civivi Bluetick Flipper.
In 2009, Crucible Steel introduced an update to CPM-S30V to meet the needs of renowned knife maker Chris Reeve that they called CPM-S35VN. The addition of 0.5% Niobium, and reductions in both Carbon (from 1.45% to 1.40%) and Vanadium (from 4% to 3%) produced an alloy with 25% increase in measured Charpy V-notch toughness over S30V (Crucible claims 15-20% improvement).
[7] [8] Before 1981, the specially heat treated stainless steel used was 440C, and from 1981 to 1992 the company used 425M steel. Since 1993, Buck has mostly used 420HC stainless steel for Model 110 blades, although CPM S30V steel has also been used for some production runs. Its design is one of the most imitated knife patterns in the world. [1]
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Lock-blade knives have been dated to the 15th century. In Spain, one early lock-blade design was the Andalusian clasp knife popularly referred to as the navaja. [19] Opinel knives use a twist lock, consisting of a metal ferrule or barrel ring that is rotated to lock the blade either open or closed. In the late 20th century lock-blade ...