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The Hippekniep is a folding pocket knife made by the Herder knife-making company in Solingen, Germany. The blade is made of non-rustproof carbon steel, blue-plastered by hand and finely forged from the base to the tip of the knife. The 90 mm (3.5 in) long blade shows patina (dark spots) caused by decades of use.
Typical values include: Very hard steel (e.g. chisels, quality knife blades): HRC 55–66 (Hardened High Speed Carbon and Tool Steels such as M2, W2, O1, CPM-M4, and D2, as well as many of the newer powder metallurgy Stainless Steels such as CPM-S30V, CPM-154, ZDP-189. There are alloys that hold a HRC upwards 68-70, such as the Hitachi ...
The company's founder William Burke Belknap the elder (1811–1884) was born in Brimfield, Massachusetts, the son of Morris Burke Belknap the elder (1780–1877) and Phoebe Locke Thompson Belknap (1788–1873) and is not to be confused with William Burke Belknap the younger (1885–1965) or William Burke Belknap Jr.
The Mark I trench knife was replaced in Army service by the M3 trench knife in 1943 as well as old bayonets converted into fighting knives, [15] while the U.S. Marine Corps issued its own combat and utility knife the same year designated the 1219C2, later known as the USMC Mark 2 combat knife aka the USMC knife, fighting utility. [16]
MM2 may refer to: MM2, a class of force fields; see force field (chemistry) MM2 (MMS), an interface utilized by the Multimedia Messaging Service standard; Mega Man 2, a 1988 video game for the NES; Mega Man II, a 1991 video game for the Game Boy; Midtown Madness 2, a 2000 video game for the PC; Motocross Madness 2, a 2000 video game for the PC
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 ...
Ek Commando Knife Co. or Ek Knives is an American combat knife brand produced by several different companies since the original founded by John Ek in 1941. In May 2014 the Ek brand was purchased by Ka-Bar , which began selling its versions of Ek knife designs in 2015.
High speed steels also found a market in fine hand tools where their relatively good toughness at high hardness, coupled with high abrasion resistance, made them suitable for low speed applications requiring a durable keen (sharp) edge, such as files, chisels, hand plane blades, and damascus kitchen knives and pocket knives.