Steelveron

Duplex and Super Duplex Pipes and Tubes

Steelvron is a leading Duplex and Super Duplex Pipes & Tubes Supplier, Manufacturer, and Exporter, delivering premium-quality stainless steel piping solutions designed for high-corrosion, high-stress, and extreme-environment applications. These pipes and tubes combine the strength of austenitic steel with the corrosion resistance of ferritic steel, making them ideal for marine engineering, chemical processing, oil & gas, and desalination plants.

Overview

Steelvron is a leading Duplex and Super Duplex Pipes & Tubes Supplier, Manufacturer, and Exporter, delivering premium-quality stainless steel piping solutions designed for high-corrosion, high-stress, and extreme-environment applications. These pipes and tubes combine the strength of austenitic steel with the corrosion resistance of ferritic steel, making them ideal for marine engineering, chemical processing, oil & gas, and desalination plants.

Our Duplex and Super Duplex Pipes & Tubes are engineered to provide exceptional toughness, stress corrosion resistance, and durability, even under high pressure, high temperature, and chloride-rich environments. With superior mechanical properties and long-term reliability, they are widely used in pipelines, process plants, heat exchangers, and structural applications where safety and performance are critical.

Available in Duplex Stainless Steel 31803 / 32205 and Super Duplex Stainless Steel S32750 / S32760, Steelvron ensures each product meets international standards ASTM, ASME, DIN, EN, and JIS, delivering consistent quality, dimensional accuracy, and long service life. Pipes and tubes are offered in Seamless, Welded (ERW), Precision / Cold Drawn, and Polished forms, with various end finishes and surface treatments to suit industry-specific requirements.

Technical Specifications of Duplex and Super Duplex Pipes and Tubes

Standards:

ASTM A789 / ASME SA789, ASTM A790 / ASME SA790, ANSI, DIN, EN, JIS

Grades Available:

Duplex Stainless Steel 31803 / 32205, Super Duplex Stainless Steel S32750 / S32760

Size Range:

½” (15 NB) to 48” (1200 NB)

Schedule / Wall Thickness:

SCH 10 to SCH 160 / Custom thickness

Forms:

Seamless, Welded (ERW), Precision / Cold Drawn, Polished

End Finish:

Plain End, Beveled End, Threaded End, Flanged End

Surface Finish:

Mill Finish, Polished, Pickled & Passivated

Chemical Properties Of Duplex and Super Duplex Pipes and Tubes

Grade	C (%)	Mn (%)	Si (%)	Cr (%)	Ni (%)	Mo (%)	N (%)	Fe (balance)
Duplex 31803	0.03	2.0	0.7	22–23	5–6	3	0.14	Balance
Duplex 32205	0.03	2.0	0.7	22–23	5–6	3	0.14	Balance
Super Duplex S32750	0.03	1.2–2.0	0.6	24–26	6–8	3–5	0.2	Balance
Super Duplex S32760	0.03	1.2–2.0	0.6	24–26	6–8	3–5	0.2	Balance

Physical Properties of Duplex and Super Duplex Pipes and Tubes

Property

Duplex 31803

Duplex 32205

Super Duplex S32750

Super Duplex S32760

Density (g/cm³)

7.8

7.8

7.8

7.8

Melting Point (°C)

1350–1450

1350–1450

1350–1450

1350–1450

Tensile Strength (MPa)

620–800

620–800

750–950

750–950

Yield Strength (MPa)

450–550

450–550

550–750

550–750

Elongation (%)

25

25

20–25

20–25

Hardness (HB)

150–270

150–270

290–310

290–310

Types Of Duplex and Super Duplex Pipes and Tubes We Offer

Duplex and Super Duplex Seamless Pipes

Duplex and Super Duplex Seamless Tubes

Duplex and Super Duplex Welded Pipes

Duplex and Super Duplex Welded Tubes

Duplex and Super Duplex EFW Pipes and Tubes

Duplex and Super Duplex ERW Pipes and Tubes

Materials We Offer

FAQ

Your complete guide to understanding Steelvron’s products, materials, certifications, and industrial applications worldwide

Why choose Steelvron as your Duplex & Super Duplex Pipes & Tubes Supplier?

Steelvron provides premium-grade Duplex and Super Duplex pipes with exceptional corrosion resistance, high strength, and compliance with ASTM, ASME, DIN, EN, and JIS standards.

Which grades of Duplex & Super Duplex Pipes & Tubes do you supply?

Duplex Stainless Steel 31803 / 32205 and Super Duplex Stainless Steel S32750 / S32760.

What industries use Duplex & Super Duplex Pipes & Tubes?

Marine, offshore, chemical, petrochemical, desalination, and oil & gas industries.

What is the size range available?

½” (15 NB) to 48” (1200 NB), with custom sizes available.

Can Steelvron supply customized Duplex & Super Duplex Pipes & Tubes?

Yes, products can be manufactured as per client specifications, project drawings, and industry requirements.

Why Choose Us?

Global Expertise

Trusted manufacturer, supplier, and exporter of Duplex and Super Duplex Pipes and Tubes worldwide.

Complete Range

Comprehensive portfolio covering all Duplex and Super Duplex Pipes and Tubes materials and types, ensuring broad compatibility.

Certified Quality

ISO-certified facilities ensure strict manufacturing and testing, delivering precision products consistently.

International Standards

Products meet ASME, ANSI, DIN, EN, BS, and JIS norms, ensuring acceptance.

Custom Solutions

Supplying standard and tailor-made Duplex and Super Duplex Pipes and Tubes, crafted to match exact specifications.

Worldwide Reach

Exporting to 50+ countries with a proven record of client satisfaction.

Property	Duplex 31803	Duplex 32205	Super Duplex S32750	Super Duplex S32760
Density (g/cm³)	7.8	7.8	7.8	7.8
Melting Point (°C)	1350–1450	1350–1450	1350–1450	1350–1450
Tensile Strength (MPa)	620–800	620–800	750–950	750–950
Yield Strength (MPa)	450–550	450–550	550–750	550–750
Elongation (%)	25	25	20–25	20–25
Hardness (HB)	150–270	150–270	290–310	290–310

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