High Pressure Stainless Steel Pipe Fittings 316 and 304

High Pressure Stainless Steel Pipe Fittings 316 and 304 support demanding process piping, instrumentation systems, skid assemblies, and other high-pressure industrial environments. Available configurations include threaded and socket-weld fittings, elbows, tees, couplings, reducers, caps, bushings, olets, and branch fittings designed for secure, leak-free connections.

Industrial Pipes & Fittings
Small Bore Fittings

Our Range of Products

Industrial Pipes & Fittings

Industrial Pipes & Fittings

  • Wide size range from 2" to 72" diameter
  • Wall thickness SCH 10 through XXH options
  • Stainless steel A403 WP304/316 grades available
Small Bore Fittings

Small Bore Fittings

  • Pressure classes 3000#–6000# for high-demand use
  • Forged 316/304 stainless steel & specialty alloys
  • ASME B16.11 & MSS-SP-83 compliant fittings

Frequently Asked Questions

What are high pressure stainless steel pipe fittings used for?

These fittings are used in process piping, instrumentation systems, skid assemblies, high-pressure industrial environments, and demanding process applications. The product range includes elbows, tees, couplings, unions, reducers, caps, bushings, olets, and branch fittings. Selection should account for the piping arrangement, connection type, material specification, applicable pressure class, and project standards.

What is the difference between 316 and 304 stainless steel fittings?

What connection types are available for small bore fittings?

Which standards apply to these pipe fittings?

What sizes are available for these fittings?

Which materials are available for the industrial pipe fittings?

Can these fittings support high-pressure and high-flow conditions?

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Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Process piping with stainless steel fittings

Process Piping

Fittings support secure connections across process piping systems in demanding industrial applications.

Instrumentation system pipe fittings

Instrumentation Systems

Small bore threaded and socket-weld fittings connect components within instrumentation systems.

Skid assembly with stainless steel fittings

Skid Assemblies

Compact fittings help connect piping and equipment within engineered skid assemblies.

High-pressure industrial pipe fittings

High-Pressure Industrial Environments

Pressure-class fittings provide secure connections for demanding industrial piping applications.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Industrial Contractors Choose Twinco Industrial

Broad Industrial Fitting Inventory

Access fittings, pipe, valves, flanges, gaskets, bolting, and specialty components through one experienced industrial supply partner.

Standards-Focused Product Support

Source components aligned with applicable ASME, MSS, and ASTM standards for demanding piping and process applications.

Decades of Industrial Expertise

Rely on over 45 years of experience supporting petrochemical, pipeline, construction, testing, maintenance, and industrial projects.

Request a Quote for Stainless Steel Fittings

Share your specifications, quantities, and application details. Twinco Industrial can help identify suitable fittings and provide product information.

Contact Us Today

For immediate assistance, feel free to give us a direct call at +1 713-733-8946. You can also send us a quick email at info@twincoindustrial.com.