Super Duplex Tube Manufacturer in India

In demanding industrial environments where extreme corrosion resistance and high strength are essential, material selection becomes critical. As a leading Super Duplex Tube Manufacturer in India, CEBEX STEEL INDIA delivers high-performance tubes engineered for superior durability, mechanical strength, and resistance to aggressive environments.

Super Duplex stainless steel combines enhanced austenitic and ferritic structures, offering significantly higher strength and improved resistance to pitting, crevice corrosion, and chloride stress corrosion cracking compared to standard duplex grades. These properties make Super Duplex tubes ideal for offshore, marine, chemical, and oil & gas industries.

Our advanced manufacturing facility ensures precise dimensional accuracy, superior surface finish, and compliance with international standards such as ASTM, ASME, EN, and DIN.

Super Duplex Tube Manufacturer in India – ASTM A789 UNS S32750, S32760 | Cebex Steel India

Why Choose Us as Your Super Duplex Tube Supplier?

Choosing the right supplier ensures long-term performance and reliability. CEBEX STEEL INDIA is known for manufacturing as per ASTM A789, ASTM A790, ASTM A928, high-strength materials with excellent corrosion resistance, advanced testing including PMI, hydrostatic, ultrasonic, eddy current, EN 10204 3.1 / 3.2 Mill Test Certification, and strong export capabilities across Africa, Middle East, Europe, and Asia.

Our team provides technical support for material selection and project-specific requirements.

Product Overview & Key Features

Feature	Specification / Detail
Product Type	Super Duplex Stainless Steel Tubes
Specifications	ASTM A789, ASTM A790, ASTM A928
Grades	UNS S32750, UNS S32760
Types	Seamless, Welded, ERW, EFW
Size Range	¼" OD to 2" OD
Wall Thickness	0.5 mm to 12 mm
Standards	ASME, EN, DIN, ISO
Surface Finish	Annealed, Pickled, Bright Annealed, Polished

These tubes offer exceptional corrosion resistance, high tensile strength, and excellent performance in extreme conditions.

Types of Super Duplex Tubes We Manufacture

We manufacture seamless tubes for high-pressure and critical applications, as well as welded tubes for structural and general industrial use. Our product range includes heat exchanger tubes, condenser tubes, instrumentation tubes, and custom-engineered tubes as per project specifications. All tubes are produced with strict tolerance control to ensure performance in complex industrial systems.

Grades, Materials & International Standards

Grade	Common Name	Applications
UNS S32750	Super Duplex 2507	Offshore, marine, desalination
UNS S32760	Super Duplex	Oil & gas, chemical processing

Applicable Standards

Category	Standards
Tube Standards	ASTM A789, A790, A928
ASME Standards	ASME SA789, SA790
International Standards	EN, DIN, ISO

Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Ni	Mo	N
S32750	0.03	1.20	0.80	0.035	0.020	24–26	6–8	3–5	0.24–0.32
S32760	0.03	1.00	1.00	0.030	0.010	24–26	6–8	3–4	0.20–0.30

Mechanical Properties

Grade	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HB)
S32750	800	550	15	310
S32760	750	550	25	300

Dimensions, Sizes & Weight Chart

Size (OD)	Thickness (mm)	Weight (kg/m)
½"	2.77	1.27
1"	3.38	2.68
2"	3.91	5.44

Custom sizes and specifications are available as per project requirements.

Applications & Industries Served

Super Duplex tubes are widely used in industries where extreme corrosion resistance and strength are required. These include offshore platforms, oil & gas pipelines, desalination plants, marine systems, and chemical processing units. Their superior resistance to chloride environments and high mechanical strength make them ideal for harsh operating conditions.

Testing & Quality Assurance

All Super Duplex tubes undergo strict testing including PMI testing, hydrostatic testing, ultrasonic inspection, eddy current testing, and mechanical testing. Each product is supplied with EN 10204 3.1 / 3.2 certification ensuring full traceability and compliance with international standards.

Packing, Delivery & Export Capabilities

Products are packed using export-grade materials such as wooden boxes and bundles to prevent damage during transit. Each tube is marked with grade, size, and heat number. We provide complete export documentation including invoices, packing list, mill test certificates, and certificate of origin.

Exporting Super Duplex Tubes to Africa

As a leading Super Duplex Tube Manufacturer in India, we have established a strong export presence across African markets. Our export team ensures smooth logistics, proper documentation, and timely delivery. Our tubes are widely supplied to Nigeria, Egypt, Kenya, South Africa, and other regions for industrial and infrastructure projects. Visit our Africa Super Duplex Tube Exporter page.

Related Tube Products

We offer a comprehensive range of high-performance industrial tubes designed to meet diverse application requirements across industries.

Tube Type	Description
SS Tube	General-purpose stainless steel tubes for industrial applications
Duplex 2205 Tube	High-strength duplex tubes with superior corrosion resistance
Nickel Alloy Tube	High-temperature and corrosion-resistant alloy tubes
Inconel Tube	Heat-resistant tubes for critical and high-temperature applications
Monel Tube	Nickel-copper alloy tubes suitable for marine and chemical use
Hastelloy Tube	Advanced tubes with exceptional resistance to aggressive chemicals
Titanium Tube	Lightweight, high-strength tubes with excellent corrosion resistance
Copper Tube	High thermal and electrical conductivity tubes for HVAC and plumbing
Carbon Steel Tube	Tubes for structural, mechanical, and pressure applications
Alloy Steel Tube	Engineered alloy steel tubes designed to perform reliably under extreme pressure and elevated temperature conditions
254 SMO Tubes	Super austenitic tubes for highly aggressive environments

Why Choose CEBEX STEEL INDIA?

CEBEX STEEL INDIA delivers consistent quality, competitive pricing, and reliable global supply. Our engineering expertise ensures accurate material selection and full compliance with international standards.

Frequently Asked Questions (FAQ)

What is Super Duplex tube?

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Super Duplex is a high-alloy stainless steel offering superior strength and corrosion resistance compared to standard duplex grades.

What standards do Super Duplex tubes comply with?

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They comply with ASTM A789, ASTM A790, ASME, EN, and DIN standards.

What is the difference between Duplex and Super Duplex?

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Super Duplex has higher chromium, molybdenum, and nitrogen content, providing better corrosion resistance and strength.

Are Super Duplex tubes suitable for offshore applications?

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Yes, they are widely used in offshore and marine environments due to their resistance to seawater corrosion.

Do you provide test certificates?

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Yes, all products come with EN 10204 3.1 / 3.2 Mill Test Certificates.

What sizes are available?

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We supply tubes from ¼" OD to 2" OD with custom thickness options.

Do you export globally?

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Yes, we export worldwide with complete logistics and documentation support.