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Knife FIGHTING / UTILITY serrated blade BLACK
fighting knife Combined edge - partially serrated blade black blade
steel grade: carbon steel 1095 (56-58HRC) stainless steel handle
black Blade Length: 17.8 cm total length: 30.2 cm Manufacturer:
KA-BAR Steel 1095: is high carbon steel, which is usually their
knees in water with a maximum hardness up to 66 HRC and shows 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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