Duplex Steel Tube Fittings

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Paing Tube Fittings, a top-notch manufacturer and supplier based in Naypyidaw, Myanmar, specializes in high-quality **Duplex Steel Tube Fittings** that are built to withstand the toughest industrial challenges. These fittings are expertly crafted to ensure leak-proof connections and dependable performance, even in high-pressure and chemically aggressive environments. At Paing Tube Fittings, we take pride in ensuring that every duplex steel tube fitting adheres to strict quality standards, providing outstanding mechanical stability and a long service life. They’re widely utilized across the chemical, petrochemical, oil and gas, and marine sectors, making them perfect for critical piping systems that demand enhanced performance, stress corrosion resistance, and operational safety.

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What sets Duplex Steel Tube Fittings apart is their unique composition, which blends austenitic and ferritic stainless steel. Typically, they contain around 22% chromium, 5–6% nickel, 3% molybdenum, and trace amounts of nitrogen. This combination gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, duplex steel boasts a tensile strength of about 620–880 MPa and a yield strength ranging from 450–620 MPa, along with impressive toughness and ductility. These characteristics ensure that the fittings perform reliably under high pressures and corrosive conditions, making them ideal for critical industrial applications.

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 Naypyidaw, Myanmar

Venton Tube Fittings is the premier supplier, manufacturer and exporter of Duplex Steel Tube Fittings in Naypyidaw, Myanmar. Our strategic manufacturing units placed in the Myanmar allow us to supply high-quality solutions customized to your needs. We value Efficiency and Excellence. Ensuring that our products meet the highest industry standards. Maintaining a well-stocked inventory we are always ready to ship orders in time and reliably. Our dedication to customer satisfaction compels us to deliver strong and reliable solutions for a wide range of industrial uses.

Duplex Steel Tube Fittings Uses

Duplex Steel Tube Fittings find extensive use in various industries, including chemical processing, petrochemical, oil and gas, desalination, and marine. They excel at connecting and managing pipelines that transport aggressive fluids, acids, and seawater. With their leak-proof operation, exceptional durability, and resistance to corrosion and mechanical stress, these fittings are indispensable for offshore platforms, refineries, and industrial plants. By choosing duplex steel tube fittings, you can ensure operational safety, system efficiency, and long-lasting reliability, even in the harshest environments.