Calico Metal Alloys LLP is a trusted supplier of Lean Duplex 2101 Pipes in India. Specializing in a diverse range of high-quality materials, we have earned a solid reputation for delivering excellence in every aspect of our service. Among our offerings, we are prominently recognized as a leading supplier of Lean Duplex 2101 Pipes, catering to various industrial needs with precision and reliability.

Lean Duplex 2101 Pipes provided by us are engineered to meet the demanding requirements of modern industries. Characterized by their exceptional strength, corrosion resistance, and cost-effectiveness, these pipes offer unparalleled performance in challenging environments. Whether for structural applications or fluid transport, Lean Duplex 2101 Pipes ensure longevity and efficiency, making them a preferred choice across sectors.

We prioritize quality assurance, adhering to stringent industry standards in the manufacturing and supply of Lean Duplex 2101 Pipes. With a commitment to excellence, we employ advanced techniques and stringent quality control measures to ensure each pipe meets the highest benchmarks of durability and reliability. Customers can rely on us for consistent performance and superior products that meet their specific requirements.

Lean Duplex 2101 Pipes

Manufacturing Process Of Lean Duplex 2101 Pipes

Rolling and Welding

The strips pass through the number of rollers as per the required size. In the tubes-mill, the strip is gradually converted into the tubular shape. The fitted welding machine is then used to weld trim edges of the strip using TIG welding process.

Length Cutting

Rolled pipes and tubes thus manufactured are cut to the required lengths depending upon the industrial demand. We use a variety of methods—sawing, lathe cutting, rotary cutting, supported shear cutting, dual-blade shear cutting, and laser cutting.

Cleaning and Heating Phase

Subjected to cleaning to remove the dirt. Further, a heat treatment is given to these rolled pipes and tubes to remove the stresses that may occur due to welding and formation processes. Heat treatment is given on the continuously rolling hearth furnace.

Cold Drawing Process

Required size may not be obtained from the mill directly. Then, the cold operation process can be used to obtain the desired size. In the cold drawing process, the tube or pipe is drawn over the bench using Die plugs.

Finishing Process

Pipe and tubes are then subjected to cleaning, heat treatment, pickling and straightening. The computerized ink jet marking machine then mark the finished pipes or tubes. Then they marked with grade of material, size, heat number.

What Are Lean Duplex 2101 Pipes?

Lean Duplex 2101 Pipes are stainless steel pipes constructed using lean duplex alloy containing chromium, nickel, molybdenum and nitrogen that have superior corrosion resistance and strength properties. Their strength-to-weight ratio makes these ideal for applications such as oil and gas exploration and production as well as chemical processing facilities and marine environments - offering both performance and affordability advantages compared to austenitic and ferritic stainless steels which typically dominate in these fields.

Advantages of Lean Duplex 2101 Pipes

Corrosion Resistance: Lean Duplex 2101 pipes provide exceptional protection against corrosion. These stainless steel pipes feature impressive corrosion resistance similar to that found in traditional duplex grades and make an excellent choice for use in harsh environments like marine, chemical processing and oil and gas industries.

Superior Strength: Lean duplex stainless steel pipes offer higher mechanical strength compared to austenitic stainless steels, making them suitable for applications which demand strong mechanical support.

Outstanding Weldability: Lean duplex grades are known for their outstanding weldability, which streamlines fabrication and welding procedures, often eliminating the requirement for preheating or post-weld heat treatment. This feature not only reduces costs but also expedites production timelines for suppliers and exporters. Consequently, leveraging this characteristic could lead to significant savings and quicker turnaround times, enhancing overall efficiency in the supply chain.

Sustainability: Lean duplex stainless steel can often be considered more sustainable than higher alloyed versions due to its reduced environmental footprint during production and potential for recycling.

Maintenance Ease: Lean duplex stainless steel pipes offer reduced corrosion risks that reduce maintenance needs and repairs costs, leading to lower overall lifecycle costs for infrastructure and equipment.

Versatility: Lean duplex stainless steel pipes have many uses across industries and applications, from construction and transportation, chemical processing and offshore structures, due to their corrosion-resistance, strength and affordability.

Specifications and Sizes of Lean Duplex 2101 Pipes

Lean Duplex 2101 pipes come in various specifications and sizes designed to suit various industrial uses. These pipes typically range in diameters from 1/2 inch to 24 inches and wall thickness can vary accordingly, to meet specific application needs. Compliant with ASTM A790 and A928 standards for quality and reliability. Lean Duplex 2101 pipes feature excellent corrosion resistance, making them suitable for use in aggressive environments such as chemical processing, marine applications and offshore oil and gas production. Furthermore, their weldability and mechanical properties enhance their versatility for multiple engineering purposes.

Standards ASTM A790 / ASME SA790
Forming Hot & Cold Finished
Sizes 1/8 to 24 Inch
Thickness SCH 5 to SCH 160
Length SRL or DRL
End Preparation Plain/Bevelled/Threaded

Types Of Lean Duplex 2101 Pipes


Lean Duplex 2101 Seamless Pipe


Lean Duplex 2101 Welded Pipe


Lean Duplex 2101 ERW Pipe


Lean Duplex 2101 EFW Pipe


Lean Duplex 2101 Square Pipe


Lean Duplex 2101 Round Pipe


Other Types Of Lean Duplex 2101 Pipes

Lean Duplex Stainless Steel 2101 Pipes Lean Duplex 2101 Welded Pipe
Lean Duplex 2101 Thick Wall Pipe Lean Duplex Steel 2101 Industrial Pipes
Lean Duplex Steel 2101 Seamless Pipe Lean Duplex 2101 Seamless Pipes
Lean Duplex 2101 Pipes Lean Duplex Steel 2101 Pipe
Lean Duplex 2101 EFW Pipe Lean Duplex 2101 ERW Pipe
Lean Duplex Steel 2101 Square Pipe Lean Duplex 2101 Rectangular Pipes
ASME SA790 Lean Duplex 2101 Pipe ASTM A790 Lean Duplex 2101 Pipes
Lean Duplex 2101 Polished Pipes Lean Duplex 2101 Cold Drawn Pipe
Lean Duplex 2101 Schedule 40 Pipe Lean Duplex Stainless Steel 2101 Pipe

Lean Duplex Steel 2101 Pipes Equivalent Grade

Lean Duplex 2101 S32101

Chemical Composition of Lean Duplex 2101 Pipes

Lean Duplex 2101 pipes are composed primarily of iron with additions of chromium, nickel, manganese and nitrogen for corrosion resistance comparable to conventional duplex stainless steels. Chromium content typically ranges between 21-22% for optimal corrosion resistance similar to other stainless steel alloys while nickel comprises approximately 1.5% to enhance toughness and stress corrosion cracking resistance while manganese provides strength ranging between 4 -6 percent of overall alloy strength, finally nitrogen contributes further by contributing another 0.22-0.25% increase.

UNS EN C% Cr% Ni% Mo% N% Mn% Cu%
S32101 1.4162 < 0.04 21.0-22.0 1.35-1.7 0.1-0.8 0.2-0.25 4.0-6.0 0.1-0.8

Mechanical Properties of Lean Duplex 2101 Pipes

Lean Duplex 2101 pipes offer outstanding mechanical properties, featuring both strength and corrosion resistance. Their yield strength averages roughly 65 ksi (450 MPa), with their tensile strength exceeding 85 ksi (585 MPa). Furthermore, Lean Duplex 2101 pipes boast exceptional weldability and formability, making them suitable for diverse demanding applications across industries like chemical processing, oil and gas exploration and marine engineering.

YS (MPa) UTS (MPa) % Elongation Hardness (BHN)
485 690 36 220

Applications of Lean Duplex 2101 Pipes

Lean Duplex 2101 stainless steel provides both strength and corrosion resistance for various industrial applications, which makes this grade of material highly desirable. Pipes made out of Lean Duplex 2101 can find use across industries due to its properties; some common ones being:

Oil and Gas Industry: Lean Duplex 2101 pipes have become popular choices within the oil and gas sector for use offshore drilling operations due to their excellent resistance against seawater corrosion as well as other harsh chemicals used during oil and gas extraction processes.

Chemical Processing: Industries engaged in chemical processing such as petrochemical plants and manufacturing facilities use Lean Duplex 2101 pipes for transporting corrosive substances like petroleum. Their resistance to corrosion ensures their integrity over extended periods, decreasing leaks or contamination risks significantly.

Water and Wastewater Treatment: Lean Duplex 2101 pipes can also be found at water and wastewater treatment plants, where they come into direct contact with various chemicals or corrosive substances that need to be processed through. Their corrosion resistance ensures the reliability and longevity of piping systems used here.

Marine Applications: Due to their superior corrosion-resistance in marine environments, Lean Duplex 2101 pipes are frequently employed in shipbuilding and offshore structures for various uses such as seawater cooling piping systems, ballast systems and hydraulic applications.

Mining and Mineral Processing: Mining operations and mineral processing plants that involve harsh conditions with chemicals or corrosive abrasive materials present can use Lean Duplex 2101 pipes to transport slurries or other abrasive fluids efficiently due to its strength and corrosion resistance; making these applications highly suitable.

Food and Beverage Industry: Lean Duplex 2101 pipes can also be found in food and beverage facilities that use harsh chemical cleaning agents or sanitizers, helping ensure hygiene conditions as well as protecting piping systems which transport products for consumption.

Overall, Lean Duplex 2101 pipes combination of strength and corrosion resistance make them suitable for an extensive array of demanding applications across numerous industries.

Electrical Industry


Automotive Industry


Construction Industry


Defence Industry


Pharmaceutical Industry


Petroleum Industry


Petrochemical Industry


Milk & Dairy Industry

Milk & Dairy

Export & Supply Destinations Of Lean Duplex Steel 2101 Pipes

Switzerland, Germany, Ukraine, Liechtenstein, Bulgaria, Turkey, Belarus, Greece, Belgium, Estonia, Latvia, Ireland, France, Moldova, Spain, Poland, Austria, Monaco, Malta, Luxembourg, Lithuania, Italy, Cyprus, United Kingdom, Hungary, Portugal, Norway, Romania, Finland, Netherlands, Slovakia, Serbia, Czechia/Czech Republic, Azerbaijan, Croatia, Russia, Sweden, Denmark.

Malaysia, Iraq, Bahrain, South Korea, Lebanon, Macau, Afghanistan, Oman, North Korea, Saudi Arabia, Turkey, Thailand, Azerbaijan, India, Bangladesh, Taiwan, Philippines, Mongolia, Nepal, Indonesia, British, Bhutan, United Arab Emirates, Singapore, Iran, Vietnam, Israel, Sri Lanka, Jordan, Russia, Myanmar, Kuwait, Armenia, Egypt, Qatar, China, Japan, Hong Kong, Maldives, Kyrgyzstan.

Kenya, Namibia, Mauritania, Mozambique, Ethiopia, Madagascar, Zimbabwe, Seychelles, Central African Republic, Angola, Rwanda, Zambia, Botswana, Burundi, Libya, Morocco, Senegal, Mauritius, Nigeria, Liberia, Eswatini, Gambia, Algeria, South Africa, Tunisia, Niger, Egypt, Cameroon, Uganda, Tanzania, Burkina Faso.

Haiti, El Salvador, Saint Lucia, Mexico, Canada, Belize, Trinidad and Tobago, Guatemala, Saint Vincent and the Grenadines, Costa Rica, Antigua and Barbuda, Dominican Republic, Honduras, Bahamas, Panama, Grenada, Cuba, Dominica, Jamaica, United States of America, Barbados, Nicaragua.

Argentina, Ecuador, Brazil, Paraguay, Chile, Bolivia, Venezuela, Uruguay, Colombia, Suriname, Peru, Guyana.