Repsol Steel LLP is a trusted threaded fittings supplier for buyers across the USA, Europe, Africa, Mexico, and Oman. We supply a comprehensive range of threaded pipe fittings — including elbows, tees, couplings, unions, caps, plugs, bushings, and nipples — in ASTM A105, A182 F304, F316, F321, F11, F22, and F91 materials for high-pressure and low-pressure piping systems across Oil & Gas, petrochemical, refinery, power generation, and industrial applications.
With over 25 years of combined industry experience and a proven export network, we serve EPC contractors, procurement teams, maintenance engineers, and fabrication units worldwide. Every threaded fitting we supply complies with ASME B16.11, ASTM A105, ASTM A182, ASME B1.20.1, MSS SP-79, MSS SP-83, and MSS SP-95 standards, with full material traceability, dimensional inspection reports, and documentation that meets the requirements of projects in the USA, Europe, Africa, Mexico, and Oman.
Whether you require standard A105 threaded elbows for a utility piping system in the USA, F316 threaded tees for a petrochemical plant in Europe, or F11 threaded caps for a high-temperature power plant in Africa or Oman — Repsol Steel LLP delivers the right threaded fitting solution, on time, with complete export documentation.
A complete threaded fittings portfolio covering elbows, tees, couplings, unions, caps, plugs, bushings, and nipples — manufactured in A105, F304, F316, F11, and F22 for high-pressure and low-pressure piping systems across global markets.
Threaded elbows for changing pipe direction in high-pressure and utility piping. Available with NPT or BSP threads per ASME B16.11 and ASME B1.20.1.
Compliance: ASME B16.11, MSS SP-79
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 4"
Threaded tees for branching piping systems. Available in equal and reducing configurations with NPT or BSP threads per ASME B16.11.
Compliance: ASME B16.11, MSS SP-79
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 4"
Threaded couplings for connecting pipes and fittings. Available in full coupling, half coupling, and reducing coupling configurations per ASME B16.11.
Compliance: ASME B16.11
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 4"
Threaded unions for removable pipe connections. Available with NPT or BSP threads per MSS SP-83, allowing easy disassembly for maintenance or modification.
Compliance: MSS SP-83, ASME B16.11
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 4"
Threaded caps for closing pipe ends and threaded plugs for sealing threaded openings. Available in various sizes for utility and high-pressure piping systems.
Compliance: ASME B16.11
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 4"
Threaded bushings for reducing pipe size and threaded nipples (hex, swage, and pipe) for connecting pipes and fittings per MSS SP-95.
Compliance: ASME B16.11, MSS SP-95
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 4"
Threaded fittings are supplied in different materials and grades to suit specific pressure, temperature, and media conditions. The material grade determines the mechanical strength, corrosion resistance, and temperature capability of the fitting. We supply threaded fittings in the following materials and grades:
All threaded fittings we supply are accompanied by Material Test Certificates (MTC) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with international project specifications.
| Parameter | Specification |
|---|---|
| Fitting Types | Elbows (45°, 90°), Tees (Equal & Reducing), Couplings (Full & Half), Unions, Caps, Plugs, Bushings, Nipples |
| Materials | Forged Carbon Steel (A105), Forged Stainless Steel (F304, F304L, F316, F316L, F321), Forged Alloy Steel (F11, F22, F91), Forged Low-Temp (LF2), Forged Duplex (F51, F53, F55), Nickel Alloys (Monel, Inconel, Hastelloy) |
| Size Range | ½" to 4" standard (Class 2000, 3000, 6000); larger sizes available on request |
| Pressure Classes | Class 2000, 3000, 6000 for threaded fittings per ASME B16.11 |
| End Connections | Threaded (NPT, BSP, BSPT) per ASME B1.20.1 and ISO 7-1 |
| Standards Compliance | ASME B16.11, ASTM A105, ASTM A182, ASTM A350, ASME B1.20.1, ISO 7-1, MSS SP-79, MSS SP-83, MSS SP-95 |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | Third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | Hardness test reports, NACE compliance, H2S service documentation available on request |
Correct threaded fitting selection is critical to ensuring a leak-free piping system and long-term operational safety. The fitting type, material grade, and thread type must be matched to the operating pressure, temperature, and media. Our technical team recommends evaluating four key factors before finalizing a threaded fitting:
If you are unsure which threaded fitting specification best suits your application, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable threaded fitting solution.
We specialize in threaded fitting supply — offering elbows, tees, couplings, unions, caps, plugs, bushings, and nipples in A105, F304, F316, F11, F22, F91, LF2, and Duplex materials. All fittings are manufactured to ASME B16.11 standards.
We supply threaded fittings in all major types — elbows, tees, couplings, unions, caps, plugs, bushings, and nipples — from ½" to 4" as standard, in NPT, BSP, and BSPT thread types and Class 2000, 3000, and 6000 pressure ratings.
Every threaded fitting batch is backed by Material Test Certificates (MTC) and dimensional inspection reports, and can be supplied with NACE compliance documentation, hardness test reports, and third-party certification on request.
Non-standard sizes, pressure classes, materials, thread types, and threaded fitting configurations are manufactured according to drawings, piping specifications, and project requirements — with quick turnaround times.
We supply threaded fittings to clients in the USA, Europe, Africa, Mexico, and Oman — with packaging, documentation, and compliance structured for international procurement.
Our experienced technical team assists with threaded fitting selection, material and thread type recommendations, and installation guidance. Post-supply support includes documentation follow-up and replacement coordination.
Repsol Steel LLP supplies threaded fittings to a wide range of process industries across USA, Europe, Africa, Mexico, and Oman — where reliable threaded connections are essential for utility and process piping.
Threaded fittings supplied for utility piping, instrumentation lines, and low-pressure process piping in upstream, midstream, and downstream operations.
Threaded fittings supplied for utility lines, instrumentation, and low-pressure process piping in petrochemical plants.
Threaded fittings supplied for utility piping, steam tracing, and instrumentation lines in refinery operations.
Threaded fittings supplied for utility piping, instrumentation, and auxiliary systems in thermal and nuclear power plants.
F304 and F316 threaded fittings supplied for utility piping, chemical transfer lines, and process equipment in chemical plants.
Threaded fittings supplied to fabrication units and EPC contractors for utility piping, skids, and industrial assemblies where welding is not practical.
Repsol Steel LLP is recognized as a reliable threaded fittings supplier for international procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers in the USA, Europe, Africa, Mexico, and Oman — ensuring your threaded fittings arrive on time, in specification, and ready for installation.
USA: Threaded fitting supply for Oil & Gas, petrochemical & power projects
Europe: Threaded fittings for chemical, refinery & process industries
Africa: Threaded fittings for refinery, petrochemical & power projects
Mexico: Threaded fitting supply for chemical plants & refinery operations
Oman: Threaded fittings for Oil & Gas, petrochemical & power projects
All threaded fittings are supplied with material certificates, dimensional inspection reports, and third-party certification as required by project specifications.
Threaded fittings are pipe fittings with internal or external threads at the ends. They are connected to pipes by screwing, without welding. They are widely used in utility, instrumentation, and low-pressure process piping per ASME B16.11.
We supply threaded elbows (45°, 90°), tees (equal & reducing), couplings (full & half), unions, caps, plugs, bushings, and nipples — in various grades, sizes, thread types, and pressure classes per project specifications.
We supply threaded fittings in ASTM A105 (carbon steel), ASTM A182 F304, F316, F321 (stainless steel), ASTM A182 F11, F22, F91 (alloy steel), ASTM A350 LF2 (low-temp carbon steel), and duplex grades F51, F53, F55.
We supply threaded fittings primarily to the USA, Europe, Africa, Mexico, and Oman, serving Oil & Gas, petrochemical, refinery, power, and chemical processing projects in these regions.
Yes. We offer custom sizes, pressure classes, materials, thread types, and threaded fitting configurations based on drawings, piping specifications, and project requirements — with quick turnaround times for export orders.
Send us your threaded fitting specifications, grade requirements, or drawings. Our export team will respond within 24 hours with a tailored quotation.
Repsol Steel LLP is a leading manufacturer and stockholder of high-quality piping products, serving the Oil, Gas, Petrochemical, and Nuclear industries with reliable engineering solutions.
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