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The origin of the name "Damascus Steel" is contentious. Islamic scholars al-Kindi (full name Abu Ya'qub ibn Ishaq al-Kindi, circa 800 CE – 873 CE) and al-Biruni (full name Abu al-Rayhan Muhammad ibn Ahmad al-Biruni, circa 973 CE – 1048 CE) both wrote about swords and steel made for swords, based on their surface appearance, geographical location of production or forging, or the name of the ...
A variety of blade materials can be used to make the blade of a knife or other simple edged hand tool or weapon, such as a sickle, hatchet, or sword. The most common blade materials are carbon steel, stainless steel, tool steel, and alloy steel. Less common materials in blades include cobalt and titanium alloys, ceramic, obsidian, and plastic.
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).
Chrome vanadium is a special formula of alloyed cutlery steel known for its ease of re-sharpening. (CV blades require extra care. A thin film of oil should be kept on the blade to maintain the polished finish of the steel.) Case Tru-Sharp Surgical Stainless Steel (SS) Case Tru-Sharp Surgical Stainless Steel is a high-carbon steel.
Emerson Knives machines blades from 154CM steel, [citation needed] and Mike Snody uses A2, S35V, 154CM and 440C steels. [52] [53] Phill Hartsfield's katana-style blades are hand-ground from A2 tool steel and differentially edge-hardened. [54] [55] [56] Ken Onion's Kershaw's Blur uses CPM S30V steel. [57]
For example, when creating pattern-welded steel by filling a steel canister with pieces of metal and powdered steel and forging it together into a single mass ("canister damascus steel,") smiths frequently coat the inside of the canister with correction fluid and let it dry before adding their materials.