At present, ferrous metallurgy
is mostly aimed to increase products quality without rapid expansion
of facilities but not to grow material output as the situation has
been for several years. It requires to create basic material
consuming less metal, however having higher mechanical properties
because of adding alloying components to the melt. Sometimes such
components can be included immaculate structure, however as a rule,
as ferro compounds, i.e. iron composites with alloying components.
Ferro titanium is one of the most widespread and effective ferro
alloys.
Ferro
titanium is the alloying addition consisting of iron and titanium
with the minimum titanium weight content of 20 % and the maximum
weight content of 75 % manufactured by reduction or melting.
Assembling of titanium combination ingots and plant items
additionally brings about era of metal scrap. Some scrap is reviewed
sub-standard as it can't be reused to charge materials for softening
titanium amalgam alloy because of oxidation degree, squeezes and
forge laps.
In
order to use substandard titanium scrap, the manufacturing process
for high-grade ferro titanium has been developed and mastered. It is
based on melting ingots of low-melting eutectic (1085˚) in the
titanium-iron system with 65-75 % of titanium. This process allows
melting scrap in the form of solids, bundle and briquetted clippings
and loose crushed titanium chips. Obsolete titanium scrap has become
more utilized lately.
In
order to manufacture ferro
titanium cored wire with the
specified amount of additions, all titanium scrap is sorted based on
alloys and alloy groups. Most applications require controlled amount
of Carbon and Aluminum in the final Ferro Titanium produced. To
ensure the controlled Aluminum and Carbon percentage the scrap
selection and testing is imperative. The source of the scrap and
elaborate testing of the scrap is important before making the raw
material batches for the heat.
High-grade
ferro titanium is manufactured by M/s Bansal Brothers by induction
and electro-slag remelting. Induction ferro titanium is produced in
channel-type induction furnaces in the form of a flat taper ingot
with the weight of 500-550 kg. Each heat is subject to chemical
analysis. Titanium is an active element and takes nitrogen and oxygen
as a result of air interaction. That is why it is required to protect
the melt from gas saturating.
Thus,
following things are extremely crucial to control the quality of
Ferro Titanium to be used for specific applications:
1.
Scrutiny and selection of the correct Titanium and Fe scrap
2.
Sample testing during production
3.
Controlling Oxygen & Nitrogen, Titanium being an active metal
For
more information, visit: http://ferrotitanium.in/sizing.html
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