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Stainless Steel Spiral Wound Gasket

Stainless Steel Spiral Wound Gaskets, SS 304 & SS 316 Spiral Wound Gaskets, ASME B16.20 Supplier in Mumbai, India

Unifit Metal Alloys is a manufacturer, supplier, stockist and exporter of Stainless Steel Spiral Wound Gaskets in Mumbai, India, supplying engineered sealing products for piping systems, pressure equipment and industrial process applications. Our stainless steel spiral wound gaskets are produced by combining a precision-formed metal winding with a suitable filler material to provide dependable sealing under demanding operating conditions.

Stainless Steel Spiral Wound Gaskets are designed to accommodate variations in pressure, temperature and flange conditions while maintaining a reliable seal. Stainless steel winding materials offer good mechanical strength and corrosion resistance, while the selected filler provides the required sealing characteristics for the service environment.

Stainless Steel Spiral Wound Gasket, SS 304 & SS 316 Spiral Wound Gasket Manufacturer & Supplier in India

We supply these gaskets in different stainless steel winding grades, filler materials, inner and outer ring configurations and dimensional specifications. Depending on the application, options can include SS 304, SS 316, SS 316L, SS 321 and SS 347 winding materials along with suitable graphite, PTFE or other filler materials.

These gaskets are commonly used in oil and gas pipelines, refineries, petrochemical plants, chemical processing units, power plants, heat exchangers, steam systems, pressure vessels and industrial piping. They are particularly suitable for applications where resistance to pressure, temperature and corrosive process media is required.

Get the Best Quote for Stainless Steel Spiral Wound Gaskets. We Stock Stainless Steel Spiral Wound Gaskets in Various Diameters, Sizes, Thicknesses and Material Specifications. Contact Us Today for a Competitive Quote.

Specifications of Stainless Steel Spiral Wound Gasket

Specification Details
Gasket Type Stainless Steel Spiral Wound Gasket
Material Stainless Steel 304, 304L, 316, 316L
Standards ASME B16.20, ASME B16.5, ASME B16.47
Winding Material SS 304, SS 304L, SS 316, SS 316L
Filler Material Graphite, PTFE, Ceramic, Mica
Inner Ring Stainless Steel 304/304L or 316/316L
Outer Ring Carbon Steel or Stainless Steel
Pressure Rating Class 150, 300, 600, 900, 1500 and 2500
Size Range 1/2″ to 24″ and larger sizes as per requirements
Gasket Thickness 3.2 mm, 4.5 mm and 6.4 mm
Temperature Range Up to 1000°C, depending on filler and service conditions
Applications Flanges, Heat Exchangers, Boilers, Pressure Vessels, Valves and Industrial Piping Systems

Stainless Steel Spiral Wound Gasket Chemical Composition

Stainless Steel Grades C (%) max P (%) max Mn (%) max Ni (%) Si (%) max Cr (%) max Mo (%) S (%) max
SS 304L 0.03 0.045 2.00 8.00 – 12.00 0.75 18.00 – 20.00 – 0.03
SS 304 0.08 0.045 2.00 8.00 – 10.50 0.75 18.00 – 20.00 – 0.03
SS 304H 0.04 – 0.10 0.045 2.00 8.00 – 12.00 1.00 18.00 – 20.00 – 0.03
SS 310 0.25 0.045 2.00 19.00 – 22.00 1.50 24.00 – 26.00 – 0.03
SS 316 0.08 0.045 2.00 10.00 – 14.00 0.75 16.00 – 18.00 2.00 – 3.00 0.03
SS 347 0.08 0.045 2.00 9.00 – 13.00 1.00 17.00 – 19.00 – 0.03
SS 316L 0.03 0.045 2.00 10.00 – 14.00 0.75 16.00 – 18.00 2.00 – 3.00 0.03
SS 446 0.20 0.04 1.50 – 1.00 23.00 – 28.00 – 0.03
SS 316Ti 0.08 0.045 2.00 10.00 – 14.00 0.75 16.00 – 18.00 2.00 – 3.00 0.03
SS 317 0.10 0.045 2.00 11.00 – 15.00 1.00 18.00 – 20.00 3.00 – 4.00 0.03
SS 321 0.08 0.045 2.00 9.00 – 12.00 1.00 17.00 – 19.00 – 0.03
SS 310S 0.08 0.045 2.00 19.00 – 22.00 1.50 24.00 – 26.00 – 0.03
SS 410 0.15 0.04 1.00 – 1.00 11.50 – 13.50 – 0.03
SS 317L 0.03 0.045 2.00 11.00 – 15.00 1.00 18.00 – 20.00 3.00 – 4.00 0.03
SS 321H 0.04 – 0.10 0.045 2.00 9.00 – 12.00 1.00 17.00 – 19.00 – 0.03
SS 904L 0.02 0.045 2.00 24.00 – 26.00 1.00 19.00 – 23.00 4.00 – 5.00 0.03

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Stainless Steel Spiral Wound Gasket Mechanical Properties

Stainless Steel Grades Yield Strength (MPa) Poisson’s Ratio Elongation (%) Hardness (HRB) Tensile Strength (MPa) Modulus of Elasticity (GPa)
SS 304H 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 310S 205 – 275 0.29 40 – 50 90 – 105 515 – 740 193
SS 410 205 0.28 35 – 45 85 – 95 520 – 720 190
SS 310 205 – 275 0.29 40 – 50 90 – 105 515 – 740 193
SS 316L 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 347 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 446 205 0.28 40 – 50 85 – 95 520 – 720 190
SS 321 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 316 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 304L 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 316Ti 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 317L 205 0.29 40 – 50 85 – 95 520 – 730 193
SS 317 205 0.29 40 – 50 85 – 95 520 – 730 193
SS 321H 205 0.29 40 – 50 85 – 95 520 – 720 193
SS 904L 205 0.29 40 – 50 85 – 95 520 – 720 193

Ready Stock of Stainless Steel Spiral Wound Gasket

Stainless Steel 304 Spiral Wound Gaskets
Stainless Steel 316 Spiral Wound Gaskets
Stainless Steel 316L Spiral Wound Gaskets
Stainless Steel 321 Spiral Wound Gaskets
Stainless Steel 347 Spiral Wound Gaskets
Stainless Steel 304L Spiral Wound Gaskets
Stainless Steel 309 Spiral Wound Gaskets
Stainless Steel 310 Spiral Wound Gaskets
Stainless Steel 310S Spiral Wound Gaskets
Stainless Steel 904L Spiral Wound Gaskets

Stainless Steel Spiral Wound Gasket Application Industries

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

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