Duplex Steel Plate Manufacturer & Supplier in India

Duplex Steel Plate Manufacturer, Supplier & Dealer in India - Piping Projects India

Piping Projects India is a leading Duplex Steel Plate Manufacturer in India. With a focus on excellence and innovation, we are proud of our modern production methods and strong quality control systems. Our Duplex Steel Plates are made with precision and competence, following international standards to offer outstanding performance and dependability in demanding applications. As an industry leader, we strive to surpass client expectations by offering exceptional service, timely delivery, and cost-effective solutions for all duplex steel plate needs.

Duplex Steel Plate Manufacturer in India

What is Duplex Steel Plate?

Duplex steel plate is a form of stainless steel distinguished by its dual-phase microstructure, which contains about equal amounts of ferrite and austenite phases. This unusual composition gives duplex steel plates remarkable mechanical qualities and corrosion resistance. Duplex steel plates have more strength and toughness than traditional austenitic stainless steel while retaining superior weldability and formability. They are widely employed in many sectors, including chemical processing, oil and gas, maritime engineering, and structural applications that demand great strength, corrosion resistance, and durability.

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Duplex Steel Plate Manufacturer in India

Duplex Steel Plate

Duplex Steel Plate Manufacturer in India
Duplex Steel Plate Supplier in India
Duplex Steel Plate Exporter in India

Duplex Steel Plate - Specifications

  • Standard: DIN, BS, EN, IS, ASTM, AMS, JIS
  • Width: 1500mm, 2000mm, 2500mm, 3000mm
  • Thickness: 5 to 100mm
  • Yield Strength: 65,000 PSI
  • Length : up to 12000mm
  • Tensile Strength : 94,000 PSI
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High Quality Duplex Steel Plate Types We Supply

Piping Projects India is a reliable Duplex Steel Plate Manufacturer in India. Our Duplex Steel Plates come in a variety of shapes and sizes to meet a wide range of needs. We provide a range of varieties, including:

Duplex Steel Plates Materials & Grades Chart

We specializes in supplying High Quality Duplex Steel Plates in India to fulfil various industrial needs. As a leading Duplex Steel Plate Supplier in India, we provide our loyal customers with excellent goods and incomparable service because of our unwavering dedication to quality and dependability.


Duplex Steel Plates Grade We Supply
Material Grade
Duplex Steel Duplex Steel D S31803, D S32205, SD S32750, SD S32760, SD S32950.

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How is Duplex Steel Plate fabricated and welded?

  • To get the best results, the peculiar qualities of duplex steel plates must be carefully considered while fabricating and welding them. Initially, duplex steel plates go through typical manufacturing operations, including cutting, machining, and shaping, much like other stainless steel varieties. To avoid contamination and protect the material's integrity, use tools and equipment mainly for stainless steel.
  • When welding duplex steel plates, numerous aspects must be considered to reduce the likelihood of adverse consequences such as intermetallic phases and sensitization. Preheating the plates to the optimum temperature can assist in lowering the thermal gradient during welding, reducing deformation and residual stress.
  • Furthermore, using proper welding processes such as gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW), or gas metal arc welding (GMAW) with appropriate filler materials is critical for producing high-quality welds while retaining duplex steel's corrosion resistance.
  • To guarantee that the fabrication and welding of duplex steel plates meets the highest quality and performance standards, painstaking attention to detail and adherence to specified welding methods are required.

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Size Chart of Duplex Steel Plate

Duplex Steel Plate Sizes
Size (in inches) Size (in mm)
.125" 3.18mm
.134" 3.40mm
.156" 3.96mm
.187" 4.75mm
.250" 6.35mm
.312" 7.92mm
.375" 9.53mm
.500" 12.7mm
.601" 15.9mm
.750" 19.1mm
.875" 22.2mm
1" 25.4mm
1.125" 28.6mm
1.250" 31.8mm
1.500" 38.1mm
1.750" 44.5mm
2" 50.8mm
2.500" 63.5mm
3" 76.2mm

What are the advantages of using duplex steel plates compared to alternative materials?

Duplex steel plates benefit significantly from other materials, making them the favoured choice for various industrial applications. For starters, duplex steel plates are very corrosion-resistant, especially in harsh conditions containing chlorides, acids, and alkaline solutions.

This enhanced corrosion resistance enables duplex steel plates to survive extreme conditions without rusting or degrading, assuring long-term durability and dependability under challenging environments.

Duplex steel plates have remarkable mechanical qualities, such as high strength and toughness, that exceed typical stainless steel. Duplex steel plates are ideal for applications that need structural integrity and mechanical stress resistance due to their combination of strength and flexibility.

duplex steel plates are cost-effective since they have a longer service life and require less maintenance than other materials. Overall, duplex steel plates' exceptional corrosion resistance, mechanical strength, and cost-effectiveness make them an excellent choice for crucial applications in chemical processing, offshore exploration, and marine engineering.


Application & Uses of Duplex Steel Plate

As a known Duplex Steel Plate Manufacturer in India, our plates are widely utilized in a variety of applications, including:

  • Duplex steel plates make reactors, heat exchangers, and storage tanks in the chemical processing industry. Their corrosion resistance and mechanical strength are excellent for corrosive and high-pressure settings.
  • Duplex steel plates are used extensively in the oil and gas industry to construct pipelines, offshore platforms, and subsea equipment. Their corrosion, fatigue, and erosion resilience are ideal for harsh maritime conditions and high-pressure drilling operations.
  • Duplex steel plates manufacture desalination plant components such as evaporators, condensers, and pumps. The corrosion resistance of duplex steel plates enables saltwater desalination equipment's long-term viability and effectiveness.
  • Duplex steel plates are used in maritime engineering to construct ship hulls, propeller shafts, and offshore constructions. Their resistance to pitting, crevice corrosion, and stress corrosion cracking makes them ideal for maritime applications with saltwater exposure and abrasive conditions.

How can corrosion and rusting be effectively prevented in Duplex Steel plates?

Preventing corrosion and rust in Duplex Steel plates necessitates a mix of proactive and rigorous maintenance procedures. To begin, suitable surface treatments such as passivation or corrosion-resistant coatings may improve Duplex Steel plates corrosion resistance.

These treatments form a protective layer on the surface of the plates, preventing corrosive chemicals from entering and causing damage. Furthermore, frequent cleaning and inspection procedures are required to eliminate any accumulated debris or impurities that may contribute to the onset of corrosion. Using non-abrasive cleaning methods and avoiding strong chemicals helps to retain the plates' integrity while reducing the chance of corrosion.

Controlling environmental conditions, including temperature, humidity, and exposure to corrosive substances, can also help to reduce the risk of corrosion in Duplex Steel plates. Implementing suitable ventilation systems and monitoring atmospheric conditions in storage or working areas can assist in avoiding the accumulation of moisture and corrosive gasses, which can hasten corrosion processes.

Responding quickly to any symptoms of corrosion or surface damage with timely repairs or surface treatments will prevent further degradation and increase the service life of Duplex Steel plates. Integrating these preventative methods into maintenance routines may reduce corrosion and rust in Duplex Steel plates, assuring long-term performance and dependability in various applications.

Duplex Steel Plate Weight Chart In Kg, mm, PDF

Duplex Steel Plate Sizes & Weight In Kg, mm, PDF
Plate Thickness (mm) Weight (kg/m) kg/meter (width 1200mm) kg/meter (width 1500mm) kg/meter (width 1800mm) kg/meter (width 2400mm)
3 23.55 28.3 35.3 42.4 56.5
4 31.4 37.7 47.1 56.5 75.4
5 39.25 47.1 58.9 70.7 94.2
6 47.1 56.5 70.7 84.8 113
8 62.8 75.4 94.2 113 150.7
10 78.5 94 118 141 188
12 94.2 113 141 170 226
16 125.6 151 188 226 301
20 157 188 236 283 377
22 172.7 207 259 311 415
25 196.25 236 294 353 471
28 219.8 264 330 396 528
32 251.2 301 377 452 603
36 282.6 339 424 509 678
40 314 377 471 565 754
45 353.25 424 530 636 848
50 392.5 471 589 707 942
55 431.75 518 648 777 1036
60 471 565 707 848 1130
65 510 612 765 918 1224
70 549.5 659 824 989 1319
75 588.75 707 883 1060 1413
80 628 754 942 1130 1507
90 706.5 848 1060 1272 1696
100 785 942 1178 1413 1884

advantages of using Duplex Steel Plates

Duplex steel plates are highly corrosion resistant, making them perfect for demanding industrial applications. Some other benefits include:


  • Cost Effective
  • High Strength
  • Excellent Corrosion Resistance
  • Good Weldability
  • Versatility
  • Resistance to Stress Corrosion Cracking
  • Long Service Life
  • Minimal Maintenance Requirements
  • Good Formability
  • Longevity
  • Adaptable in Harsh Environments
  • Good Mechanical Properties

which Industry widely uses Duplex Steel Plate?

  • Renewable Energy: Duplex steel plates are utilized in renewable energy sectors, notably in wind and solar power applications, due to their corrosion resistance and endurance in severe outdoor conditions.
  • Aerospace: The aerospace industry uses duplex steel plates in aircraft structures and components due to their excellent strength-to-weight ratio and fatigue and stress corrosion resistance.
  • Automotive: Due to their lightweight nature and corrosion resistance, duplex steel plates are used in the automotive industry to manufacture vehicle chassis, exhaust systems, and structural components.
  • Pharmaceutical: The pharmaceutical business uses duplex steel plates for manufacturing equipment and machinery used in medication manufacturing because of their cleanliness, corrosion resistance, and compliance with high hygiene requirements.
Petrochemical Industry Power Plant Chemical Industry
Filtration, Disinfection and Chemicals Oil & Gas

Best Duplex Steel Plate Supplier in following cities

Piping Projects India is an established Duplex Steel Plate Manufacturer in India, known for delivering high-quality plates to major cities around the country. With a solid commitment to quality, we have earned clients trust as a reliable Duplex Steel Plate Supplier in India, securing our position as an industry leader.

Cities We Supply in India
Duplex Steel Plate Supplier in Indian Cities
Raigad Pune Nashik Nagpur Ahmednagar Mumbai
Ahmedabad Bangalore Chennai Vadodara Ludhiana Delhi

Duplex Steel Plate Manufacturer in India

Duplex Steel Plate Manufacturer in India

Duplex Steel Plate Manufacturer in India

Duplex Steel Plate Supplier in India

Duplex Steel Plate Supplier in India

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