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1. PADDLE BLIND
FLANGES MANUFACTURER
Every year, steel making furnace in the developed countries consume more than 100
million tons of steel scrap, in order to produce new steel utilities. Accordingly, steel is
the only material on earth that can be recycled 100%. As per the latest statistical
analysis, worldwide around 1.6 billion metric tons of steel is being produced every year,
with the consumption of around 1.5 billion metric tons of steel.
Today, many stainless steel mills are proposing duplex stainless steel more commonly
because of the number of reasons, such as:
 Higher tensile strength of Duplex Steel F51 Socket Weldlet and threadlet leading to weight
savings.
 Higher degree of corrosion resistance, leading to stress corrosion cracking
 Better price stability
 Comparatively lower price
Considering all the advantages and disadvantages, duplex steel has a high demand in
the market that is estimated to be between 1 to 3% of the global steel market. In this
regard, the current write up is intended with the sole purpose of providing basic idea
about duplex steel.
Current steel market is full with many Duplex Steel S31803 S32205 F51 Flanges
Manufacturers, and is highly admired due to its high durability and anti-corrosive
properties. Although, a kind of steel was first manufactured back in 1930s; it is being
recently in high demand, especially due to technological advancements to control liquid
nitrogen.
Previously, many Hostelry B2 Fittings Flanges Manufacturers used to insist upon
standard austenitic steel types like 304 and Herritic steels like 430; as they were
relatively easy to manufacture and fabricate. Although, types of steel are used for
variety of applications, they are associated with some important technical
disadvantages, like low tensile strength, poor ability to welding, poor toughness at low
temperature and low resistance to corrosion, etc.
A basic idea behind production as well as manufacture of duplex steel is to provide steel
with balanced mixture of above mentioned steel products that can provide:

2.  Higher strength: – the duplex steel can be produced with higher strength with reduced thickness
and reduced weight. This property makes them particularly significant for their application in
pressure vessels and storage tanks.
 Good welding ability: – This duplex steel can be particularly welded in thick sections
 Good toughness: – They are much better in toughness as compared to their traditional
counterparts, especially at low temperatures.
 Resistance to corrosion: – Since the type of steel is less corrosive, it has wide advantages in
applications like maintenance of hot water tanks, process plants, swimming pool structures, etc.
Barriers to use Duplex Steel
In spite of many advantages in their usability, the type of steel always share limited steel
market especially due to certain limitations. The metallurgy of duplex steel is more
complex than their traditional counterparts and hence is more difficult to produce;
making them a niche player in the market. If not passed through correct procedural
steps, they can give rise to many unwanted phases.