Stainless Steel 321 Instrumentation Tube Fittings

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Jassem Tube Fittings is a trusted manufacturer and supplier in Doha, Qatar, offering premium Stainless Steel 321 Instrumentation Tube Fittings for secure and accurate connections in high-temperature and critical process systems. These fittings are designed to ensure leak-free performance, easy installation, and long-term reliability. Manufactured with precision and strict quality control, Jassem Tube Fittings delivers fittings that perform consistently under thermal stress and pressure. Stainless Steel 321 is specially stabilized for heat resistance, making these instrumentation tube fittings an excellent choice for applications where temperature stability and corrosion resistance are essential.

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Stainless Steel 321 Instrumentation Tube Fittings are made from a stabilized austenitic stainless steel alloy containing chromium, nickel, and titanium. The titanium addition prevents carbide precipitation, improving resistance to intergranular corrosion at elevated temperatures. Mechanically, SS 321 offers good tensile and yield strength, excellent toughness, and strong resistance to thermal fatigue. The material maintains its structural integrity under continuous heat exposure, pressure, and vibration, ensuring secure connections and reliable performance in demanding service conditions.

Stainless Steel 321 Instrumentation Tube Fittings Specifications

Specifications	ASTM A182, A276, A479 / ASME SA182, SA276, SA479
Size	2mm~25mm and 1/16″~1″
Thread	NPT, PT, BST, NPS, PS, BSP
Pressure	6000PSI for Stainless Steel 300/1000/3000PSI for Brass
Types	Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories

Stainless Steel 321 Instrumentation Tube Fittings Chemical Composition

Grade	C	Mn	Si	P	S	Cr	N	Ni	Ti
SS 321	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	0.10 max	9.00 – 12.00	5(C+N) – 0.70 max
SS 321H	0.04 – 0.10	2.0 max	1.0 max	0.045 max	0.030 max	17.00 – 19.00	0.10 max	9.00 – 12.00	4(C+N) – 0.70 max

Stainless Steel 321 Instrumentation Tube Fittings Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength 0.2% Proof	Elongation (%)
8.0 g/cm3	1457 °C (2650 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

Top Stainless Steel 321 Instrumentation Tube Fittings Manufacturing Company in Doha

At Jassem Tube Fittings, we are the largest supplier, manufacturer, and exporter of Stainless Steel 321 Instrumentation Tube Fittings in Doha, Qatar. Our advanced manufacturing facilities, strategically positioned in the Qatar, 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 fulfill your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.

Types of Stainless Steel 321 Instrumentation Tube Fittings

Stainless Steel 321 Instrumentation Tube Fittings Size range

	Fitting Types	Size Inch	Size OD
Tube to	Female Fitting	1/4″ to 1 1/2″	6mm to 38mm
	Pipe Fitting
	Union
	Male Fitting
	Tube Fittings Accessories

Stainless Steel 321 Instrumentation Tube Fittings Equivalent Grades

Grade	British		Euronorm		UNS No.	SS	JIS
	European Standards	British Standards	DIN No	Name
321	58B, 58C	321S31	1.4541	X6CrNiTi18-10	S32100	2337	SUS 321

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

Largest Stainless Steel 321 Instrumentation Tube Fittings Supplier in Doha, Qatar

Jassem Tube Fittings is a leading supplier and stockist of premium Stainless Steel 321 Instrumentation Tube Fittings in Doha, Qatar. Our products are widely utilized across various industries, and we are committed to delivering exceptional service and ensuring high customer satisfaction. Our distinctive finishing techniques set us apart in the metal industry. We are dedicated to consistently providing top-quality products while effectively addressing the needs of our customers.

Stainless Steel 321 Instrumentation Tube Fittings Uses

Stainless Steel 321 Instrumentation Tube Fittings supplied by Jassem Tube Fittings are widely used in oil and gas, petrochemical, and chemical processing industries. They are ideal for high-temperature instrumentation lines, control systems, and process piping. These fittings are also commonly used in refineries, power plants, heat exchangers, and exhaust or steam systems. Their ability to withstand heat and corrosion makes them suitable for connecting tubing to valves, gauges, and transmitters in critical applications where safety, accuracy, and long-term durability are required.