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Knife U.S.M.C. serrated blade BLACK
American Legend fighting knife U.S. sailors in 2 World War combined
edge - partially serrated blade black blade (Epoxy-coated) steel
grade: carbon steel 1095 (56 -58HRC) stainless steel leather handle
- smoothed and polished Blade Length: 17.8 cm total length: 30.2 cm
Brown Leather Case USMC manufacturer: KA-BAR Steel 1095: is high
carbon steel, which is usually knees in water with a maximum
hardness up to 66 HRC and has good abrazivzdornost and fracture
toughness. Small steel hardenability this refers to the production
of thin metal blades. In terms of grain fracture is steel according
to ASTM 9 level. The values ??of mechanical properties (ductility
in torsion, Charpy tests on samples without notch depending on the
quenching temperature, deformation values ??depending on the
voltage at different quenching temperature) are available on the
web. sites. Embrittlement, which occurs during tempering
temperature of about 260 ° C (final hardness is about 60 HRC) is a
general problem of carbon and alloy steels with low alloying
addition. That the annealing temperature is consistently avoid
cutler! Since the tempering does not expected toughness at lower
temperatures and at higher results in too low strength turns to
processors for steels with lower carbon having improved toughness
at low temperatures, and tested bainite hardening. Most
manufacturers (Tramontina, Ontario, TOPS, Mora) recommends the use
of this material utmost care (due to the high hardness of the
blade) in the final grinding operation (there is his chipping) and
in thin preparations threatens lattice deformation. For these
reasons, it is recommended for smaller steel blade.
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Почта России по городу: 200 руб. по стране: 300 руб. по миру: 1200 руб.
Курьерская компания по городу: 200 руб. по стране: 800 руб. по миру: 2000 руб.