Duplex Steel Pipe

Duplex Steel Pipe Manufacturer, Supplier and Exporter in Hyderabad, India

Aman Pipes and Tubes is a prominent manufacturer, supplier, and exporter of premium quality Duplex Steel Pipes in Hyderabad, India. With our sincere dedication to excellence, we provide a wide range of Duplex Steel Pipes that conform to international standards and suit various industrial applications. Our pipes are renowned for their superior strength, corrosion resistance, and durability, which make them perfect for stringent conditions. Supported by this state-of-the-art technology and expertise, Aman Pipes and Tubes provides guaranteed over-time delivery of high-quality piping solutions to customers in industries including oil & gas, chemical, marine, and power generation.

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The pipes are made of around 22% chromium, 5–6% nickel, 3% molybdenum, and traces of nitrogen, which form a balanced microstructure of austenite and ferrite. This alloy provides the pipes with superior pitting, crevice corrosion, and stress corrosion cracking resistance. Duplex Steel Pipes are mechanically strong with high yield strength (approximately 450 MPa) and tensile strength (up to 800 MPa) with satisfactory fatigue strength and impact resistance. The fact that they can withstand severe pressure and temperature conditions makes them appropriate for extreme conditions at an affordable cost.

Duplex Steel Pipes Specification

Standard	ASTM A790 / ASME SA790 UNS S31803, S32205, S32550, S32750, S32760
Materials	ASTM A815 – UNS S31803
Size	1/2″NB TO 12 “NB IN
Seamless Pipes & Tubes Sizes	1/2” NB – 8” NB
Welded Pipes & Tubes Sizes	6” NB – 24” NB
Thickness	0.5-45mm
Outer Diameter	6.0-630mm
Dimensions	OD(6.0-630)*WT(0.5-45)mm
Schedule	SCH20, SCH30, SCH40, STD, SCH80
Type	Welded / Fabricated / Seamless
Length	Single Random, Double Random & Cut Length.

Duplex Steel Pipes Chemical Composition

Ni	Cr	Mo	Mn	Si	C	N	S	P	Fe
MIN	4.5	22.0	3.0	–	–	–	0.14	–	–	–
MAX	6.5	23.0	3.5	2.0	1.0	0.03	0.2	0.02	0.03	Balance

Duplex Steel Pipes Mechanical Properties

S31803 / S32205	Density	Melting Point	Yield Strength (0.2%Offset)	Tensile Strength	Elongation
S31803 / S32205	7.8 g/cm3	1350 °C (2460 °F)	Psi – 80000 , MPa – 550	Psi – 116000 , MPa – 800	15 %

If You Are Looking To Buy High Quality

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

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Why Choose Duplex Steel Pipes from Aman Pipes and Tubes?

Choosing Duplex Steel Pipes from Aman Pipes and Tubes ensures high quality and durability, as these pipes offer excellent corrosion resistance and strength. Our commitment to exceptional service and reliable delivery guarantees customer satisfaction across various industrial applications. Our expertise in stainless steel products ensures you receive a top-tier solution tailored to your needs.

Customer Support

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Largest Duplex Steel Pipes Supplier in Hyderabad, India

Aman Pipes and Tubes, one of the largest suppliers of Duplex Steel Pipes in Hyderabad, India, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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Types of Duplex Steel Pipes

Are Custom Sizes Available for Duplex Steel Pipes?

Yes, we offer custom sizes for Duplex Steel Pipes to meet your specific requirements. Our team at Aman Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@amanpipesandtubes.co.in.

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Duplex Steel Pipes Dimensional Chart

Nominal pipe size up to 4 = ± 0.79 mm \| 5 thru 8 = + 1.58 mm / – 0.79 mm 10 thru 18 = + 2.37 mm / – 0.79 mm \| 20 thru 24 = + 3.18 mm / – 0.79 mm
Wall Thickness All Diameters = – 12.5% + tolerance not specified	Length + 6.40 mm / – 0 mm	Weight Weight = + 10% / – 1.5%

Duplex Steel Pipes Size Chart

Wall	Sizes ( O.D.)
.010	1/16″ , 1/8″ , 3/16″
.020	1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″
.012	1/8″
.016	1/8″ , 3/16″
.028	1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″
.035	1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.049	3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.065	1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″
.083	1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″
.095	1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.109	1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.120	1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″
.125	3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″
.134	1″
.250	3″
.375	3 1/2″

Duplex Steel Pipes have far-reaching applications in industries requiring high mechanical performance and resistance to aggressive corrosion. Some of them are offshore oil and gas platforms, petrochemical and chemical processing facilities, desalination plants, heat exchangers. They are also well suited for marine conditions, fire-fighting systems, structural frames, and high-pressure piping systems. Moreover, they are extensively used in the paper and pulp sector and bridge and building construction, ensuring long-term stability in static as well as dynamic load conditions.