Duplex Steel Plates Supplier & Exporter in India

Duplex Steel Plates are widely used in industrial sectors requiring high mechanical strength, superior corrosion resistance, chloride stress corrosion cracking resistance, and long operational life under aggressive service conditions. As a leading Duplex Steel Plates Supplier & Exporter in India, CEBEX STEEL INDIA supplies premium-quality Duplex Stainless Steel Plates manufactured according to international ASTM, ASME, DIN, EN, and ISO standards for demanding industrial and engineering applications.

Our Duplex Steel Plates are extensively used in offshore platforms, chemical processing industries, pressure vessels, desalination plants, marine engineering, heat exchangers, petrochemical plants, pulp & paper industries, and oil & gas facilities because of their excellent combination of austenitic and ferritic stainless steel properties. We supply Duplex Steel Plates in multiple grades, thicknesses, widths, finishes, and specifications suitable for fabrication, structural engineering, storage tanks, pressure equipment, and industrial processing systems.

At CEBEX STEEL INDIA, we utilize advanced rolling, leveling, annealing, pickling, cutting, and surface finishing technologies to supply Duplex Steel Plates with superior dimensional accuracy, excellent surface quality, and consistent metallurgical properties. Our products are trusted by EPC contractors, fabrication companies, engineering industries, and industrial buyers across India, Africa, the Middle East, Europe, and Southeast Asia.

Duplex Steel Plates Supplier & Exporter in India – ASTM A240 Duplex 2205 UNS S31803 S32205 Plates | Cebex Steel India

Why Choose Us as Your Duplex Steel Plates Supplier & Exporter?

Choosing the right Duplex Steel Plates supplier is essential for ensuring corrosion resistance, structural reliability, weldability, dimensional precision, and long-term operational performance. CEBEX STEEL INDIA has established itself as a trusted Duplex Steel Plates Supplier & Exporter in India through strong technical expertise, strict quality control systems, and dependable global export capabilities.

We maintain complete traceability from raw material procurement to finished plate dispatch and provide all materials with EN 10204 3.1/3.2 Mill Test Certificates, inspection reports, and export documentation. Our in-house quality department performs comprehensive testing including chemical analysis, mechanical testing, PMI testing, hardness testing, ultrasonic testing, and dimensional inspection to ensure compliance with ASTM and customer specifications.

Our export logistics team efficiently manages seaworthy packaging, export documentation, and worldwide shipping for smooth international deliveries.

Product Overview & Key Features

Our Duplex Steel Plates are manufactured using premium-quality duplex stainless steel raw materials sourced from approved mills and processed through advanced manufacturing technologies to ensure superior corrosion resistance, high strength, and long-term durability.

The following table summarizes the technical specifications of our Duplex Steel Plates:

Feature	Specification / Detail
Standards	ASTM, ASME, DIN, EN, ISO
ASTM Specification	ASTM A240
Duplex Grades	Duplex 2205
UNS Grades	S31803, S32205
Thickness Range	0.5 mm to 100 mm
Width Range	1000 mm to 2500 mm
Length Range	2000 mm to 6000 mm
Plate Types	Hot Rolled Plates, Cold Rolled Sheets, Strips
Surface Finish	No.1, 2B, BA, No.4, Matte Finish
Manufacturing Process	Hot Rolled, Cold Rolled, Annealed, Pickled
Forms Available	Plates, Sheets, Strips, Coils
Documentation	EN 10204 3.1/3.2, MTC, PMI Reports, Inspection Reports

Types of Duplex Steel Plates We Supply & Export

Our product range includes a comprehensive selection of Duplex Steel Plates suitable for pressure vessels, offshore engineering, process industries, marine fabrication, and industrial equipment manufacturing. We supply hot rolled Duplex plates for heavy engineering and structural applications, cold rolled Duplex sheets for precision fabrication, polished Duplex sheets for industrial processing systems, and Duplex strips for fabrication and engineering applications.

We also supply customized cut plates, slit coils, perforated sheets, CNC-cut Duplex plates, shim sheets, and fabricated Duplex steel components according to customer drawings and project specifications.

Grades, Materials & International Standards

Material selection plays a critical role in determining corrosion resistance, chloride resistance, weldability, and mechanical performance. We supply Duplex Steel Plates in internationally approved grades suitable for highly corrosive and high-pressure industrial environments.

The following table summarizes our commonly supplied Duplex Steel Plate grades:

Duplex Steel Grade	UNS Number	Typical Applications	Standards
Duplex 2205	S31803	Pressure Vessels, Marine Equipment, Heat Exchangers	ASTM A240
Duplex 2205	S32205	Offshore Platforms, Chemical Processing, Desalination Plants	ASTM A240

All Duplex Steel materials are sourced from reputed mills and supplied with complete traceability, inspection documentation, and EN 10204 3.1/3.2 Mill Test Certificates.

Chemical Composition & Mechanical Properties

Every Duplex Steel Plate supplied by CEBEX STEEL INDIA includes complete chemical composition and mechanical property reports to ensure compliance with international standards and industrial project requirements.

Chemical Composition – Duplex Steel 2205

Element	Composition (%)
Chromium (Cr)	22.0 – 23.0
Nickel (Ni)	4.5 – 6.5
Molybdenum (Mo)	3.0 – 3.5
Nitrogen (N)	0.14 – 0.20
Carbon (C)	0.03 Max
Manganese (Mn)	2.0 Max
Silicon (Si)	1.0 Max
Iron (Fe)	Balance

Mechanical Properties – Duplex Steel 2205

Property	Value
Tensile Strength	620 MPa Min
Yield Strength	450 MPa Min
Elongation	25% Min
Hardness	293 HB Max

Our quality department conducts spectrographic analysis, tensile testing, hardness testing, ultrasonic inspection, PMI testing, and dimensional verification using calibrated inspection equipment.

Equivalent Grades

Standard	Grade
ASTM	Duplex 2205
UNS	S31803 / S32205
WERKSTOFF NR	1.4462
DIN	X2CrNiMoN22-5-3

Dimensions, Sizes & Weight Chart

We supply Duplex Steel Plates in thicknesses ranging from 0.5 mm to 100 mm with customized cutting services according to project requirements. Standard plate widths range from 1000 mm to 2500 mm while custom dimensions are available upon request.

The following table illustrates approximate Duplex Steel Plate weights:

Thickness	Approx Weight per Sq. Meter
1 mm	8.0 Kg
2 mm	16.0 Kg
3 mm	24.0 Kg
5 mm	40.0 Kg
10 mm	80.0 Kg

Additional processing services including laser cutting, plasma cutting, bending, polishing, shearing, and CNC machining are available according to customer specifications.

Applications & Industries Served

Our Duplex Steel Plates are extensively used in industries requiring high strength, excellent chloride corrosion resistance, and long-term operational durability. Offshore and marine industries utilize Duplex Steel Plates for seawater systems, offshore structures, subsea equipment, and marine engineering applications.

Chemical processing industries use Duplex Steel Plates for reactors, pressure vessels, storage tanks, and heat exchangers because of their superior corrosion resistance and mechanical performance. Duplex Steel Plates are also widely used in desalination plants, pulp & paper industries, petrochemical plants, oil & gas facilities, fertilizer industries, power plants, and industrial engineering applications.

Testing & Quality Assurance

Quality assurance is one of the core strengths of our supply and export operations. Every Duplex Steel Plate undergoes strict inspection and testing procedures including dimensional inspection, chemical analysis, hardness testing, tensile testing, PMI testing, ultrasonic testing, and visual surface inspection.

Our quality control department utilizes advanced inspection equipment including spectrometers, hardness testing machines, ultrasonic flaw detectors, and dimensional measurement systems to ensure compliance with ASTM, ASME, DIN, EN, and customer project requirements.

Packing, Delivery & Export Capabilities

We understand the importance of secure packaging and timely delivery for industrial and export projects. Our Duplex Steel Plates are packed using export-grade wooden pallets, PVC protective films, waterproof wrapping materials, and seaworthy packaging systems to ensure complete protection during transportation.

Our export logistics department manages complete shipping documentation including commercial invoices, packing lists, certificates of origin, mill test certificates, and inspection reports for smooth customs clearance and worldwide shipping.

Exporting Duplex Steel Plates to Africa

As a leading Duplex Steel Plates Supplier & Exporter in India, we have built a strong reputation for supplying high-quality Duplex plates to major projects across Africa. Our export team understands the unique requirements of African industries and ensures smooth, timely deliveries with complete documentation and compliance. From oil and gas to power and infrastructure, our Duplex Steel Plates are trusted by clients in Nigeria, Egypt, Kenya, South Africa, Ethiopia and beyond. To learn more about our specialized solutions for the continent, visit our Africa Duplex Steel Plates Exporter page.

Related Alloy Sheets & Plates – Stainless Steel, Super Duplex, Nickel Alloy, Inconel, Monel, Hastelloy, Aluminium, Titanium, Brass, Copper, Copper Nickel, Alloy Steel, 254 SMO

In addition to Duplex Steel Plates, we also manufacture and export Stainless Steel Sheets & Plates, Super Duplex Plates, Inconel Plates, Hastelloy Plates, Monel Plates, and Titanium Plates. These high-performance alloy sheets and plates deliver exceptional corrosion resistance, superior mechanical strength, excellent high-temperature stability, and proven long-term reliability in the harshest industrial environments.

Our technical team is ready to help you select the perfect grade, thickness, and finish for your project.

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Why Choose CEBEX STEEL INDIA?

Clients choose CEBEX STEEL INDIA because of our strong technical expertise, strict quality control systems, competitive export pricing, and dependable worldwide delivery capabilities. We provide flexible order quantities, custom processing services, fast production schedules, and responsive customer support for industrial, fabrication, and EPC projects.

Our engineering team assists clients in selecting the appropriate Duplex Steel grades and specifications based on operating conditions, chloride exposure, pressure requirements, temperature conditions, fabrication needs, and mechanical performance requirements.

Frequently Asked Questions (FAQ)

What standards do your Duplex Steel Plates comply with?

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Our Duplex Steel Plates comply with ASTM A240, ASME, DIN, EN, and ISO standards with complete certification and traceability.

Which Duplex Steel grades do you supply?

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We supply Duplex 2205 Plates in UNS S31803 and UNS S32205 grades.

Can you provide mill test certificates?

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Yes, every shipment includes EN 10204 3.1/3.2 Mill Test Certificates along with inspection and testing reports.

What plate sizes are available?

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We supply Duplex Steel Plates in thicknesses from 0.5 mm to 100 mm with custom widths and cut sizes available.

Do you provide custom cutting and processing services?

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Yes, we provide laser cutting, bending, polishing, shearing, plasma cutting, and CNC machining services according to customer specifications.