Stainless Steel 321 Ball Valve

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Jassem Tube Fittings is a trusted manufacturer and supplier in Doha, Qatar, offering premium Stainless Steel 321 Ball Valves for reliable flow control in high-temperature and demanding process environments. These valves are designed for smooth operation, tight shut-off, and long service life, even under thermal stress. With precision engineering and strict quality inspection, Jassem Tube Fittings ensures consistent performance and safety. Stainless Steel 321 is stabilized for heat resistance, making these ball valves an excellent choice for applications where temperature stability, corrosion resistance, and operational reliability are essential.

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Stainless Steel 321 Ball Valves are manufactured from a stabilized austenitic stainless steel alloy containing chromium, nickel, and titanium. The addition of titanium 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 structural integrity under continuous heat exposure, pressure, and vibration, ensuring reliable valve performance in high-temperature service conditions.

Stainless Steel 321 Ball Valve Specifications

VALVE SIZE	1/8″ TO 2″ / 6 MM TO 50 MM
THREAD	NPT, BSPP, BSPT, JIC, METRIC, UNF
CONNECTION	THREADED, TUBE END, BUTT WELD, SOCKET WELD, WELD NIPPLE, FLANGED, SAE
FUNCTION	2 WAY, 3 WAY, 4 WAY, 5 WAY,
PRESSURE RATING	1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI, 15000 PSI, 20000 PSI
SEAL RING MATERIAL	PTFE, PVDF, DELRIN, PEEK, GRAPHITE
STANDARD	ISO , DIN , ANSI , API , ASME , AWWA , MSS ,
MEDIA	HYDRAULIC OIL, AIR, WATER, GAS, STEAM, HOT WATER , COLD WATER , SEA WATER , CHEMICAL
MEDIA TEMPERATURE	(-120* C TO 500*C )RANGE AS PER PRESSURE
BODY TYPE	BAR STOCK
PACKING DETAILS	BOX PACKING, WOODEN PALLET
APPLICATION	MATERIAL HANDLING EQUIPMENT, EARTH MOVING MACHINERIES , POWER GENERATING PLANT , STEEL MANUFACTURING PLANT , MINING INDUSTRIES , CHEMICAL PROCESSING MACHINES , PIPING LINE , PAINT INDUSTRIES , TRUCKS AND TRAILERS , AUTOMATION , AGRICULTURE MACHINES , AEROSPACE & DEFENCE EQUIPMENTS,

Stainless Steel 321 Ball Valve Chemical Composition

Grade		Mn	Si	C	S	Ni	N	Other	P	Cr	Mo
321	minimum. maximum	2.00	0.75	– 0.08	0.030	9.0 12.0	0.10	Ti=5(C+N) 0.70	0.045	17.0 19.0	–
321H	minimum. maximum	2.00	0.75	0.04 0.10	0.030	9.0 12.0	–	Ti=4(C+N) 0.70	0.045	17.0 19.0	–

Stainless Steel 321 Ball Valve Mechanical Properties

SS Grade	(% in 50mm) Elongation minimum	0.2% Proof Yield Strength (MPa) minimum	Strength of Tensile (MPa) minimum	Plate Hardness
SS Grade	(% in 50mm) Elongation minimum	0.2% Proof Yield Strength (MPa) minimum	Strength of Tensile (MPa) minimum	Brinell (HB) maximum	Rockwell B (HR B) maximum
321	40	205	515	217	95
321H	40	205	515	217	95

Stainless Steel 321 Ball Valve Equivalent

Grade	British		Euronorm		UNS No.	SS	JIS
Grade	European Standards	British Standards	DIN No	Name	UNS No.	SS	JIS
321	58B, 58C	321S31	1.4541	X6CrNiTi18-10	S32100	2337	SUS 321
321H	–	321S51	1.4878	X10CrNiTi18-10	S32109	–	SUS 321H

Top Stainless Steel 321 Ball Valve Manufacturing Company in Doha

At Jassem Tube Fittings, we are the largest supplier, manufacturer, and exporter of Stainless Steel 321 Ball Valve 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 fulfil 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 Ball Valve

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

Largest Manufacturer and Supplier of Stainless Steel 321 Ball Valve in Doha, Qatar

Jassem Tube Fittings is a leading supplier and stockist of premium Stainless Steel 321 Ball Valve 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 Ball Valves Uses

Stainless Steel 321 Ball Valves supplied by Jassem Tube Fittings are widely used in oil and gas, petrochemical, and chemical processing industries. They are ideal for high-temperature pipelines, heat exchangers, and thermal fluid systems. These valves are also commonly installed in refineries, power plants, and exhaust or steam applications where temperature fluctuations are frequent. Their ability to handle heat and corrosion makes them suitable for controlling liquids and gases in critical processes, ensuring safe operation, efficient flow control, and long-term system reliability.