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Stainless Steel Threaded Pipe and Pipe Fittings

2173 Products
High-Pressure Stainless Steel Threaded Pipe Flanges
High-Pressure Stainless Steel Threaded Pipe Flanges
These flanges offer strong, corrosion-resistant connections designed to withstand high-pressure environments, ensuring secure and reliable joints in industrial and fluid-handling systems.
High-Pressure Stainless Steel Threaded SAE Pipe Flanges
High-Pressure Stainless Steel Threaded SAE Pipe Flanges
These flanges provide robust, corrosion-resistant connections for high-pressure piping systems, ensuring secure, leak-proof joints in demanding industrial and marine applications.
Low-Pressure Stainless Steel Threaded Pipe Flanges
Low-Pressure Stainless Steel Threaded Pipe Flanges
Low-pressure stainless steel threaded pipe flanges provide corrosion-resistant connections for low-pressure systems, ensuring reliable and secure joints in applications where high strength is not required.
Standard-Wall Stainless Steel Threaded Pipe Nipple and Pipe Assortments
Standard-Wall Stainless Steel Threaded Pipe Nipple and Pipe Assortments
They offer versatile, corrosion-resistant components with moderate wall thickness, providing reliable and convenient solutions for assembling secure, leak-proof connections in various piping applications.
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe
Standard-wall stainless steel threaded pipe nipples and pipes are commonly used in plumbing, industrial, and mechanical applications where corrosion resistance, strength, and durability are required.
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant
They offer reliable, corrosion-resistant connections with moderate wall thickness, ensuring secure, leak-proof joints in general-purpose piping applications.
Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe
Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe
They provide enhanced durability and corrosion resistance, making them ideal for high-pressure and high-temperature applications where robust, secure connections are required.

Explore stainless steel threaded pipe fittings, including standard-wall and thick-wall pipe nipples, pipe, pre-sealed variants, assortments and threaded flanges. This stainless pipe fitting range also includes high-pressure flange families and SAE-pattern options. Use the categories below to select the product type, then verify size, alloy grade, thread specification and pressure-temperature rating on the individual item.

Compare Stainless Steel Threaded Pipe Products

Category Product Type / Duty Selection Check
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe Standard-wall nipples and pipe Confirm nominal size, thread form and applicable pressure rating.
Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe Thick-wall nipples and pipe Greater wall thickness does not establish pressure capacity by itself.
Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant Pre-sealed standard-wall nipples Check sealant compatibility with the medium, temperature and assembly method.
Standard-Wall Stainless Steel Threaded Pipe Nipple and Pipe Assortments Standard-wall assortments Verify included sizes, quantities and thread specifications.
Low-Pressure Stainless Steel Threaded Pipe Flanges Low-pressure threaded flanges Match flange dimensions, facing, bolt pattern and pressure-temperature rating.
High-Pressure Stainless Steel Threaded Pipe Flanges High-pressure threaded flanges Verify the specific pressure rating and mating flange configuration.
High-Pressure Stainless Steel Threaded SAE Pipe Flanges High-pressure SAE flanges Confirm the SAE specification, connection and mating bolt pattern.

Threaded Connections and Sealing

Before selecting stainless steel NPT pipe fittings, confirm that the individual product actually uses NPT threads. Other thread standards may also appear in the catalog. Match the nominal pipe size, thread type, mating connection and sealing method. Tapered pipe threads require compatible mating threads and an appropriate sealing procedure. For pre-sealed components, check the coating's permitted media, temperature range and reuse instructions.

Material Grades, Sizes and Suitability

Searches for 304 stainless steel pipe fittings, 316 stainless steel pipe fittings and 316L stainless steel pipe fittings refer to different material grades or specifications. Some individual items may list dual grades such as 304/304L or 316/316L. Verify the stated material on the product listing rather than assuming every grade is supplied across the entire category. Check corrosion exposure, fluid compatibility, operating temperature and the applicable pressure rating before selection.

For 1-inch, 2-inch or other nominal sizes, use the individual product listing to confirm the available dimensions and connection. A nominal pipe size is not necessarily the measured outside diameter of a fitting. Butt-weld connections and hygienic clamp fittings are separate product types and should not be treated as part of this threaded range.

Need a Different Size or Configuration?

If you need a specific alloy grade, thread standard, nominal size, flange pattern or other configuration, provide the part number or drawing and service conditions when requesting availability. Request a Quote or Contact Us.

Frequently Asked Questions

What's the difference between thick-wall and standard-wall nipples?

Thick-wall nipples have a greater nominal wall thickness than standard-wall alternatives, but allowable pressure depends on the complete product specification and operating temperature. Check each item's dimensions and rating rather than relying on wall thickness alone.

Why choose a nipple with sealant pre-applied?

A pre-coated part can remove a separate application step when its factory-applied sealant is compatible with the service medium and temperature. Follow the supplier's assembly and reuse instructions.

What's the difference between standard flanges and SAE flanges?

SAE-style flanges and other flange patterns can differ in geometry, dimensions and rated service. Match the applicable flange specification, connection size, sealing face and bolting to the mating component.

Why choose stainless steel over standard steel threaded fittings?

Stainless steel can provide better corrosion resistance than uncoated carbon steel in suitable environments. Performance depends on alloy grade, chloride exposure, temperature and maintenance. Stainless steel alone does not establish food-contact or sanitary approval.

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