Super Duplex Steel Tube Fittings

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Paul Tube Fittings is a well-respected manufacturer and supplier of high-performance Super Duplex Steel Tube Fittings based in Houston, USA. Known for our commitment to quality, precision, and reliability, we focus on delivering corrosion-resistant fittings that meet the demands of offshore, petrochemical, and marine industries. Our Super Duplex Tube Fittings are designed to provide outstanding strength and durability, adhering to international standards. With a strong emphasis on innovation, timely delivery, and customer satisfaction, Paul Tube Fittings is your go-to partner for top-notch Super Duplex Steel Tube Fittings throughout the USA and beyond.

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Super Duplex Steel Tube Fittings are primarily made up of Chromium (24–26%), Nickel (6–8%), Molybdenum (3–5%), Nitrogen, and a balance of Iron, which gives them remarkable corrosion resistance. They boast a dual-phase microstructure that combines austenite and ferrite, enhancing their mechanical strength and resistance to stress corrosion cracking. These fittings have a high tensile strength of about 800 MPa, a yield strength of around 550 MPa, and impressive elongation capabilities (up to 25%). Their exceptional mechanical properties make them perfect for high-pressure and corrosive environments.

Super Duplex Steel Tube Fittings Specifications

Specifications	ASTM A276 ASME SA 479
Size	6mm to 38mm to 1/4″ to 1 1/2″
Thread	NPT, BSP, BSPT, UNF, ISO, SAE etc.
Standards	ASTM B16 ASTM B 453

Types of Super Duplex Steel Tube Fittings

Dimension of Super Duplex Steel Tube Fittings

OD	OD Actual	Thread Designation – Nominal Size	Thread per inch
(fraction inch)	(inches)	(inches)	NPT	BSP
5/16	0.3125	1/16	27	28
13/32	0.405	1/8	27	28
35/64	0.540	1/4	18	19
43/64	0.675	3/8	18	19
27/32	0.840	1/2	14	14
1-3/64	1.050	3/4	14	14
1-5/16	1.315	1	11-1/2	11
1-21/32	1.660	1-1/4	11-1/2	11
1-29/32	1.900	1-1/2	11-1/2	11
2-3/8	2.375	2	8	11
2-7/8	2.875	2-1/2	8	11
3-1/2	3.5	3	8	11
4	4.0	3-1/2	8	11
4-1/2	4.5	4	8	11
5-5/8	5.563	5	8	11
6-5/8	6.625	6	8	11

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We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Largest Manufacturer and Supplier of Super Duplex Steel Tube Fittings in Houston, USA

At Paul Tube Fittings, we are proud to be the largest supplier, manufacturer, and exporter of Super Duplex Steel Tube Fittings in Houston, USA. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the USA, we maintain a vast inventory of over 16,000 tons of premium-quality materials, ensuring we have the stock readily available to meet your demands.

Super Duplex Steel Tube Fittings Uses

Super Duplex Steel Tube Fittings find extensive use in industries that demand high strength and excellent corrosion resistance. They are crucial in offshore oil and gas platforms, chemical processing plants, desalination systems, and marine settings where resistance to pitting, crevice corrosion, and chloride stress corrosion cracking is vital. Additionally, these fittings are utilized in heat exchangers, pressure vessels, and structural components in harsh environments. Their high mechanical strength allows for thinner walls, reducing both weight and cost. Their reliability, even in extreme conditions, makes them the preferred choice for critical fluid handling and piping systems around the globe.