Be it construction or any other major industry the role of nuts and bolts and other types of fasteners are critical. Thus they determine the overall strength and structure of the largest structures.
So in case you happen to have your business in the
manufacturing or construction sector we are sure that you would be interested
to know what the commonly used materials for nuts and bolts are. So let us
understand the different types of materials used.
The different types of fastener materials used
Fasteners are made with
a wide variety of of materials . These include everything from
common steel to titanium, plastic and other exotic materials. Some of these
materials are again separated into different grades. This is done to describe
specific alloy mixtures, hardening as well as processes involved.
Apart from
this some nuts and bolts are available with a variety of coatings or platings. This is done to increase the resistance
against corrosion or alter the appearance of the fastener.
Fastener material can be
important when choosing a fastener due to keeping in view the strength,
brittleness, corrosion resistance, galvanic corrosion properties. Cost of
course an important factor which determines which materials to choose from. Let
us now see them in details.
Steel
Steel is the most common
material used for making nuts and bolts and fastener material. These are
available plain. They are also available with various surface treatments. These
may include such as zinc plating, galvanization, and chrome plating.
The grade
of steel to be used may vary largely based on your need. They are usually
available in 4 standard grades.
Alloy Steel
Alloy steel bolts are
made from a high strength steel alloy . They are further heat treated to
make them even stronger . These are mostly not plated, resulting in a
dull black finish. These types of bolts are very strong. Nut they are very
brittle at the same time.
Silicon Bronze
Silicon bronze often
referred to simply as bronze. This is an alloy made mostly from a mix of copper
and tin. They also contain small amount of silicon. These are mainly in
marine environments. It is often preferred over stainless in wooden boat
construction.
Brass
Brass is an alloy which
is primarily made from a mix of copper and zinc. This alloy happens to be
highly corrosion resistant .It is also electrically conductive. But this is
usually not used in fasteners because of its relative softness.
Aluminum
Aluminum happens to be a
light, soft, as well as a corrosion resistant metal. Much like stainless
steel, aluminum is known to be very corrosion resistant. Fasteners are made
from a variety of aluminum alloys. These may be with elements such as manganese,
silicon, iron, magnesium, zinc, copper, etc. Rivets are often made from
aluminum alloys.
Chrome
Nuts and bolts and other
fasteners are often chrome plated and polished. This is mainly for appearance.
Chrome plating provides corrosion resistance. But this is very costly and
thus not very popular.
In conclusion we hope
that we have been able to provide you a basic idea about the various types of
materials which are used for nuts, bolts an fasteners. We at Indana
Steel are one of the leading manufacturers and suppliers of differenttypes of fasteners. To know more please visit our website.
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40Ni14 and 40Ni6Cr4Mo2 are commonly used materials for nut and bolts. The majority of industrial fasteners are produced from aluminum, brass, certain synthetic non-metals, and various grades of steel and stainless steel.
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