Tungsten Carbide
Seal time of greater than ten times that regarding steel or perhaps lots of
times, hard alloy moulds only high hardness, high strength, corrosion
resistance, high temperature resistant and low expansion coefficient, are
generally use cobalt tungsten Carbide.
As the market standard material YG3, YG6,
YG6X YG8. YG15, YG20, YG20C, YG25 and HU20 HU222, HWN1 (non-magnetic alloy
mold), etc., using native Carbide
material, low pressure sintering as well as other special craft, toughness is
preferable to the regular production, life will likely improve 3-5 times.
Hard alloy moulds according to use might be
split into four categories:
The first category for cemented Carbide
Bushings drawing die, nearly all of this sort of mould of cemented Tungsten
Carbide Tube mould. Presently the main model of wire drawing die YG8, YG6,
YG3, followed by the YG15, YG6X, YG3X, developed new brands, like employed in
high-speed wire drawing new brand YL, and through the amount of imported wire
drawing die CS05 (YLO. 5), CG20 (YL20), CG40 (YL30); K10/19 dated, ZK20 / ZK30.
The next type of mold is cold cold heading
die, plastic mould, the main brands are YC20C, YG20, YG15, CT35 and YJT30 MO15.
The third form of mould is employed for
magnetic material creation of non-magnetic alloy mold, including number of YSN
YSN (20, 25, 30, 35, including 40) and steel bonded magnetic mold brand TMF.
The 4th class for hot-work die, this kind
of alloy temporary top brands, industry should increase. Cemented Carbide mould is: cold
heading die, cold punching die, drawing die, hexagonal die, screw die, etc.
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