Stainless Steel High Pressure Pipe Fittings

MOPIPE has been importing and supplying high-pressure stainless steel pipe fittings in 304L and 316L for nearly 40 years. Our extensive inventory includes standard fitting configurations such as elbows, tees, couplings, and unions, along with specialty products including 2000# 316L threaded hammer unions and 3000# 316L O-ring unions.

With more than 90 years in the piping industry, MOPIPE is a dependable source for high-pressure stainless steel fittings used in demanding industrial applications. From our St. Louis facility, we serve customers nationwide with quality products, competitive pricing, and responsive service.

Benefits of High-Pressure Stainless Steel Fittings

High-pressure stainless steel fittings combine strength, durability, and corrosion resistance for demanding piping systems. Available in multiple alloys and pressure classes, these fittings are commonly specified where reliable connections and material compatibility are critical.

Selecting the proper fitting requires consideration of pressure class, operating temperature, material, thread type, and the media being transported.

High-Pressure Stainless Steel Fitting Options

MOPIPE stocks and supplies forged stainless steel fittings in 304L and 316L, with options manufactured to ASTM A182 / ASME SA-182 material specifications and applicable ASME B16.11 standards.

Our high-pressure stainless steel fitting selection includes:

Stainless Steel Fittings
2000# 3000# 6000#
90° Elbows 90° Elbows 90° Elbows
45° Elbows 45° Elbows 45° Elbows
Tees Tees and Crosses Tees
316L Threaded Hammer Unions Couplings
Unions
90° Street Elbows
Caps
316L O-Ring Unions

MOPIPE also stocks a comprehensive selection of 304L and 316L stainless steel bushings, hex head plugs, and square head plugs.

Availability varies by size, alloy, fitting configuration, and pressure class. Our team can help confirm specifications and current inventory.

304L vs. 316L Stainless Steel Fittings

Both 304L and 316L stainless steel offer excellent corrosion resistance for industrial piping applications.

  • 304L Stainless Steel: A versatile, cost-effective choice for general industrial environments requiring strength and corrosion resistance.
  • 316L Stainless Steel: Provides enhanced resistance to chlorides and certain corrosive environments, making it a preferred option for more demanding chemical and industrial applications.

Pressure class designations such as 2000#, 3000#, and 6000# are fitting classifications, not universal operating PSI ratings. Actual service limits depend on material, temperature, connection design, and applicable piping codes.

Industrial Applications

High-pressure stainless steel pipe fittings are commonly used in oil and gas, petrochemical processing, chemical manufacturing, power generation, industrial equipment, and high-pressure utility systems.

MOPIPE also supplies complementary stainless steel pipe fittings, pipe nipples, and other PVF products, making it easier to source multiple piping components from one supplier.

Why Choose MOPIPE?

Customers choose MOPIPE for our deep stainless steel inventory, established import sourcing relationships, specialty fitting selection, and knowledgeable customer service. Our team works with purchasing and engineering departments to identify products that meet project specifications and delivery requirements.

View our High-Pressure Stainless Steel Fittings List Prices or contact MOPIPE at 314-421-0790 to discuss availability, request pricing, or place an order.