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Stainless Steel 321 / 321H Tube Plugs

SS 321H Heat Exchanger Tube Plug, Stainless Steel 321 Tapered Tube Plug, Stainless Steel 321 Tube Plug Supplier in Mumbai, India

Unifit Metal Alloys is a manufacturer and supplier of Stainless Steel 321 / 321H Tube Plugs, offering reliable tube sealing components for industrial equipment and heat-transfer systems. Our tube plugs are supplied in different sizes, shapes and configurations to meet the requirements of various maintenance, replacement and fabrication applications.

Stainless Steel 321 Tube Plugs are manufactured from a titanium-stabilized austenitic stainless steel grade, providing good resistance to oxidation and corrosion at elevated temperatures. Grade 321H offers higher carbon content and is designed for improved high-temperature strength, making it suitable for demanding service conditions. These properties allow SS 321 / 321H Tube Plugs to perform effectively in applications involving heat, pressure and corrosive operating environments.

Stainless Steel 321 Boiler Tube Plug, 321H SS One-Piece Tube Plug Stockist, UNS S32100 Tube Plug Manufacturer and Supplier in Mumbai, India

Our product range includes SS 321 Tube Plugs, SS 321H Tube Plugs, SS 321 / 321H Tapered Tube Plugs, Threaded Tube Plugs, Pin Tube Plugs, One-Piece Tube Plugs, Expandable Tube Plugs, Boiler Tube Plugs, Condenser Tube Plugs and Heat Exchanger Tube Plugs. We can also supply customized tube plugs according to tube dimensions, equipment specifications and customer drawings.

Stainless Steel 321 / 321H Tube Plugs are suitable for applications in chemical processing, petrochemical plants, power generation, heat exchangers, boilers, condensers, oil and gas equipment, pharmaceutical facilities and other process industries. Their resistance to high-temperature oxidation and general corrosion makes them suitable for equipment operating under demanding conditions. At Unifit Metal Alloys, we supply tube plugs in standard and customized dimensions. Different thread forms, configurations and finishes can be provided according to the application and customer requirements. We pay attention to dimensional accuracy and material selection to ensure the supplied tube plugs are suitable for their intended use.

Get the Best Quote for Stainless Steel 321 / 321H Tube Plugs. We Stock SS 321 / 321H Tube Plugs in Various Sizes, Dimensions and Specifications. Contact Us Today for a Competitive Quote.

Stainless Steel 321 / 321H Tube Plugs Specifications

Specifications
Tube Size 0.375″ to 3.000″ (9.5 – 76.2mm) OD
Maximum Pressure 150 PSI
Length Max 6 in 152.4 mm

Stainless Steel 321 / 321H Tube Plug Equivalent Grade

STANDARD SS 321 SS 321H
WERKSTOFF NR. 1.4541 1.4878
UNS S32100 S32109
JIS SUS 321 SUS 321H
EN X6CrNiTi18-10 X12CrNiTi18-9

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Mechanical Properties of Stainless Steel 321 / 321H Tube Plug

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

Ready Stock of Stainless Steel 321 / 321H Tube Plugs

Stainless Steel 321 / 321H Tube Plugs
Stainless Steel 321 / 321H Tube Plugs
SS 321 / 321H Tapered Tube Plugs
SS 321 / 321H Threaded Tube Plugs
SS 321 / 321H Pin Tube Plugs
SS 321 / 321H One-Piece Tube Plugs
SS 321 / 321H Expandable Tube Plugs
SS 321 / 321H Boiler Tube Plugs
SS 321 / 321H Condenser Tube Plugs
SS 321 / 321H Collar Tube Plugs
SS 321 / 321H Forged Tube Plugs
SS 321 / 321H Metal Tube Plugs

Stainless Steel 321 / 321H Tube Plugs Application Industries

Refineries
90%
Oil and Gas Industry
96%
Power Generation
80%
Pharmaceutical Equipment
85%
Pulp & Paper Industry
88%