Duplex Steel Tube Fittings

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Ayten Tube Fittings, based in Addis Ababa, Ethiopia, stands out as a top-notch manufacturer and supplier of high-quality Duplex Steel Tube Fittings. The company prides itself on delivering reliable and durable tube fitting solutions that are designed to perform exceptionally well in tough industrial settings. Thanks to cutting-edge manufacturing technology and rigorous quality control, Ayten Tube Fittings offers products that boast excellent corrosion resistance, mechanical strength, and leak-free connections. Catering to a variety of industries—including oil and gas, petrochemical, marine, and power generation—Ayten has earned a reputation for precision engineering, customer satisfaction, and consistent excellence in the production of Duplex Steel Tube Fittings.

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Duplex Steel Tube Fittings are primarily made up of chromium (21–23%), nickel (4.5–6.5%), molybdenum (2.5–3.5%), along with manganese and nitrogen. This unique dual-phase microstructure of austenite and ferrite strikes a perfect balance between high strength and outstanding corrosion resistance. On the mechanical side, Duplex Steel showcases tensile strength ranging from 620–850 MPa and yield strength around 450–550 MPa, providing impressive toughness and fatigue resistance. These characteristics make the fittings perfect for high-pressure and high-temperature applications, ensuring they last long, require minimal maintenance, and resist stress corrosion cracking and pitting.

Duplex Steel Tube Fittings Specifications

Specification	ASTM A276, ASTM A182 ASME SA479, ASME SA182
Tube Size	1/16 OD to 2 OD, Od to 50mm OD
Type	Seamless/ Welded/Fabricated
Thread	BSPT, UNF, SAE, BSP, NPT, ISO, etc.
Material Grades	Duplex 2205 Duplex S31803 Duplex S32205
PTFE Standard	ASTM D1710 and D3294
Pressure Rating	1000/300/6000/3000/10000 PSI for Duplex Steel
Temperature	150-400°C
PACKING DETAIL	size of the wooden box – 382717CM size of carton – 211614CM/312116CM/364550CM

Duplex Steel Tube Fittings Sizes

Duplex SS Seamless Compression Fittings :

Size: 1/8 to 2

Pressure Rating: 3000 psi to 10000 psi

Threads: NPT, BSPT, BSPP

Duplex SS Welded Compression Fitting and Tube Adapters :

Size: 24 to 94 and Custom

Pressure Rating: 30000 psi to 10000 psi

Threads: NPT, BSPT, BSPP

Types of Duplex Steel Tube Fittings

Dimension of Duplex Steel Tube Fittings

Threads Dimension of BSPP and BSPT
SIZE	PITCH & SIZE	OD THREAD		OD THREAD		ID THREAD		ID Thread
DASH	BSPP & BSPT	MALE BSPT		MALE BSPP		FEMALE BSPT		FEMALE BSPP
	Inch to TPI	mm	inch	mm	inch	mm	inch	mm	inch
-4	1/4 to 19	12,8	0.5	13,0	0.51	11,2	0.44	11,9	0.47
-2	1/8 to 28	9,5	0.37	9,6	0.38	8,4	0.33	8,6	0.34
-6	3/8 to 19	16,3	0.64	16,5	0.65	14,7	0.59	15,2	0.6
-10	5/8 to 14	22,5	0.89	22,8	0.9	20,6	0.81	20,8	0.82
-8	1/2 to 14	20,4	0.8	20,8	0.82	18,3	0.72	19,1	0.75
-12	3/4 to 14	25,9	1.02	26,3	1.04	23,9	0.94	24,6	0.97
-20	1.1/4 to 11	41,1	1.62	41,8	1.64	38,6	1.52	39,4	1.55
-16	1 to 11	32,6	1.28	33,1	1.3	29,7	1.17	30,7	1.21
-24	1.1/2 to 11	47,0	1.85	47,7	1.88	44,5	1.75	45,5	1.79
-40	2.1/2 to 11	74,1	2.92	75,1	2.95	71,9	2.83	72,6	2.86
-32	2(11)	58,6	2.31	59,5	2.34	56,4	2.22	57,4	2.26
-48	3 to 11	86,6	3.41	87,9	3.46	84,6	3.33	85,4	3.36

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

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

At Ayten Tube Fittings, we are proud to be the largest supplier, manufacturer, and exporter of Duplex Steel 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 Tube Fittings Uses

Duplex Steel Tube Fittings find extensive use in industries that demand strong and corrosion-resistant connections. They’re commonly found in oil and gas pipelines, petrochemical processing, desalination plants, marine systems, and power generation units. These fittings guarantee secure and leak-free tube connections, even in high-pressure and high-temperature situations. Their exceptional resistance to chloride-induced corrosion makes them particularly suitable for offshore and chemical environments. Additionally, they play a crucial role in instrumentation, hydraulic, and process control systems, ensuring efficient performance, reliability, and a long service life across various applications.