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Carbon steel is a popular choice for rough-use knives and cheaper options. Carbon steel used to be much tougher, much more durable, and easier to sharpen than stainless steel. This is no longer the case since the coming of super-advanced alloy metallurgy such as VG-10 and SG-2 powder steel for example.
Case-hardening or carburization is the process of introducing carbon to the surface of a low-carbon iron, or more commonly a low-carbon steel object, in order to harden the surface. Iron which has a carbon content greater than ~0.02% is known as steel .
W.R. Case & Sons Cutlery Company is an American manufacturer of traditional pocket knives, fixed blades/sporting knives, kitchen knives, limited edition commemoratives and collectibles. The company originated in Little Valley, New York , around the turn of the 20th century, before relocating to its current home, Bradford, Pennsylvania , in 1905.
Engraving a knife. Knife making is the process of manufacturing a knife by any one or a combination of processes: stock removal, forging to shape, welded lamination or investment cast. [1] Typical metals used come from the carbon steel, tool, or stainless steel families. Primitive knives have been made from bronze, copper, brass, iron, obsidian ...
Flame hardening lacks a nioi and instead produces a very brittle zone between the harder and softer metals, called the heat affected zone (HAZ), caused by internal stresses and extremely rapid cooling between the hot and cold areas. Therefore, while flame hardening and temper lines are common in hand-made knives, they are rarely found in swords ...
Color case hardening is the predecessor of all metal coloring typically employed in the firearms industry. Contemporary heat-treatable steels did not exist or were in their infancy. Soft, low-carbon steel was used, but strong materials were needed for the receivers of firearms. Initially case hardening was used but did not offer any aesthetics.