Duplex Steel S31803 Tube Fittings

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Ayten Tube Fittings, located in Addis Ababa, Ethiopia, stands out as a top manufacturer and supplier of high-quality Duplex Steel S31803 Tube Fittings. Known for their impressive durability, resistance to corrosion, and robust mechanical strength, these fittings are designed to thrive in tough industrial settings. The company utilizes cutting-edge manufacturing techniques and rigorous quality control measures to create precision-engineered S31803 Tube Fittings that guarantee reliable, leak-free connections. Catering to sectors like oil and gas, petrochemical, marine, and power generation, Ayten Tube Fittings provides strong solutions that adhere to international standards, ensuring long-lasting performance and efficiency in high-pressure, high-temperature, and corrosive fluid systems.

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Duplex Steel S31803 Tube Fittings are made up of about 22% chromium, 5–6% nickel, and 3% molybdenum, along with trace amounts of manganese, nitrogen, and iron. This dual-phase alloy merges austenitic and ferritic structures, delivering impressive tensile strength (620–850 MPa), yield strength (450–550 MPa), and outstanding toughness. The fittings are highly resistant to pitting, stress corrosion cracking, and crevice corrosion, making them durable even in extreme pressure, temperature, and chemically aggressive environments. Their mechanical properties and corrosion resistance make them perfect for critical piping and fluid handling systems.

Duplex Steel S31803 Tube Fittings Specifications

Standard : ASTM A276, A479 / ASME SA276, SA479

Thickness : 0.6 mm THK to 6.00 mm THK

Size Range : 1/16” 1/2” & 1.5MM to 38.1MM

Outer Diameter : 6.00 mm to 60.00 mm

Duplex Steel S31803 Tube Fittings Chemical Composition

ELEMENT	DUPLEX 31803
NI	4.50 – 6.50
C	0.030 max
MN	2.00 max
P	0.030 max
S	0.020 max
SI	1.00 max
CR	22.0 – 23.0
MO	3.0 – 3.5
N	0.14 – 0.20
FE	63.72 min

Duplex Steel S31803 Tube Fittings Mechanical Properties

Grades	Density (g/cm 3)	Density (lb/in 3)	Melting Point (°C)	Melting Point (°F)
S31803	7.805	0.285	1420 – 1465	2588 – 2669

Top Duplex Steel S31803 Tube Fittings Manufacturing Company in Addis Ababa

At Ayten Tube Fittings, we are the largest supplier, manufacturer, and exporter of Duplex Steel S31803 Tube Fittings in Addis Ababa, Ethiopia. Our advanced manufacturing facilities, strategically positioned in the Ethiopia, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.

Types of Duplex Steel S31803 Tube Fittings

Equivalent Grades of Duplex Steel S31803 Tube Fittings

STANDARD	UNS	WERKSTOFF NR.
Duplex S31803	S31803	1.4462

Various Basic Form Of Duplex Steel S31803 Tube Fittings

Straight Union	Bulkhead Union	Reducing Union	Union Elbow	Union Cross	Union Tee
Male Connector	Female Connector	Male Bulkhead Connector	Female Bulkhead Connector	Male to Male Elbow	Male Elbow
Female Elbow	Male to Female Elbow	Male Run Tee	Male Branch Tee	Female Branch Tee	Female Run Tee
Male Adaptor	Female Adaptor	Tube End Reducer	OD Plug	Bulkhead Lock Nut	OD Cap

Duplex Steel S31803 Double Ferrule Tube Fittings Suppliers in Addis Ababa, Ethiopia, Duplex S31803 45° Male Elbow-45ME Exporter in Adama, Duplex S31803 Male Connector NPT-M Stockist in Gondar, Duplex Steel S31803 Union Cross Supplier in Addis Ababa, Duplex Steel S31803 Male Branch Tee Exporter in Gondar, Duplex S31803 Female Run Tee Distributor in Mek’ele, ASME SA 276 S31803 Female Connector Exporter in Dire Dawa, Ethiopia

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

Largest Manufacturer and Supplier of Duplex Steel S31803 Tube Fittings in Addis Ababa, Ethiopia

At Ayten Tube Fittings, we are proud to be the largest supplier, manufacturer, and exporter of Duplex Steel S31803 Tube Fittings in Addis Ababa, Ethiopia. Our cutting-edge solutions cater to all your piping needs. With state-of-the-art production facilities strategically located in the Ethiopia, 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.

Duplex Steel S31803 Tube Fittings Uses

Duplex Steel S31803 Tube Fittings find extensive use in industries that demand high-strength, corrosion-resistant, and dependable tube connections. They are frequently utilized in oil and gas pipelines, petrochemical processing facilities, chemical industries, and marine systems where durability and leak-free performance are essential. Additionally, these fittings are employed in desalination plants, power generation units, and offshore platforms for transporting high-pressure fluids. S31803 Tube Fittings promise a long service life, minimal maintenance, and operational safety, making them ideal for harsh and demanding industrial environments that require both strength and reliability.