Repsol Steel LLP is a trusted stainless steel flange supplier, supplying a comprehensive range of SS pipe flanges to industrial buyers, EPC contractors, and procurement teams across Africa, USA, Mexico, Oman, and Europe. From SS304, SS316, and SS321 weld neck, slip-on, and blind flanges to duplex and super duplex lap joint, socket weld, and threaded flanges — every product is supplied with full documentation, EN 10204 3.1 certification, and international packaging standards suited to global project requirements.
With over 25 years of combined industry experience and a proven export network, we serve clients across Africa, the United States, Mexico, Oman, and Europe — including Oil & Gas, petrochemical, refinery, chemical processing, desalination, marine, and pharmaceutical facilities. Our supply operations are structured to meet the documentation, packaging, and compliance requirements of international industrial procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE compliance, PMI testing, and third-party certification where required.
Whether you require standard SS316 weld neck flanges for a petrochemical plant in Oman, SS304 slip-on flanges for a chemical processing unit in Mexico, or duplex blind flanges for an offshore marine project in Africa or the USA — Repsol Steel LLP delivers the right stainless steel flange solution, on time, with complete export documentation.
A complete stainless steel flange supply portfolio covering weld neck, slip-on, blind, lap joint, socket weld, and threaded flanges — engineered for corrosive, high-pressure, and high-temperature piping systems in Africa, USA, Mexico, Oman, and Europe.
SS weld neck flanges with a long tapered hub that provides smooth stress distribution. Used in high-pressure and high-temperature stainless steel piping systems where cyclic loading and corrosion resistance are critical.
Grades: SS304, SS316, SS321
Compliance: ASTM A182, ASME B16.5, EN 1092-1
Size Range: ½" to 60"
SS slip-on flanges slide over the pipe and are fillet welded at both ends. Cost-effective and easy to align, used in low-pressure and moderate-pressure stainless steel piping systems.
Grades: SS304, SS316, SS321
Compliance: ASTM A182, ASME B16.5, EN 1092-1
Size Range: ½" to 60"
SS blind flanges with no center hole, used to close off pipe ends, valves, and pressure vessel openings. Essential for isolation, inspection, and future expansion in corrosive service.
Grades: SS304, SS316, SS321
Compliance: ASTM A182, ASME B16.5, EN 1092-1
Size Range: ½" to 60"
SS lap joint flanges for use with stub ends in piping systems requiring frequent dismantling. The flange is free to rotate, allowing easy alignment of bolt holes.
Grades: SS304, SS316, SS321
Compliance: ASTM A182, ASME B16.5
Size Range: ½" to 24"
SS socket weld flanges for high-pressure and small-bore piping. The pipe is inserted into the socket and fillet welded, providing a strong, leak-proof joint in corrosive service.
Grades: SS304, SS316, SS321
Compliance: ASTM A182, ASME B16.5
Size Range: ½" to 4"
Duplex & super duplex flanges (F51, F53, F55) for offshore and highly corrosive service, threaded flanges (NPT/BSP) for utility piping, plus custom-manufactured stainless steel flanges per project specifications.
Grades: F51, F53, F55, SS904L
Compliance: ASTM A182, ASME B16.5, DIN
Size Range: ½" to 24"
Stainless steel flanges are supplied in different grades to suit specific pressure, temperature, and media conditions across Africa, USA, Mexico, Oman, and Europe. The grade determines the corrosion resistance, mechanical strength, and temperature capability of the flange. We supply stainless steel flanges in the following grades:
All stainless steel flanges we supply are accompanied by Material Test Certificates (MTC to EN 10204 3.1) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with project specifications. PMI (Positive Material Identification) testing is available on request.
| Parameter | Specification |
|---|---|
| Flange Types | Weld Neck, Slip-On, Blind, Lap Joint, Socket Weld, Threaded, Orifice, Long Weld Neck |
| Stainless Steel Grades | SS304, SS304L, SS316, SS316L, SS321, SS321H, SS904L, Duplex F51, Super Duplex F53/F55 |
| Size Range | ½" to 60" standard; larger sizes available on request |
| Pressure Classes | PN6, PN10, PN16, PN25, PN40 (EN 1092-1); Class 150, 300, 600, 900, 1500, 2500 (ASME B16.5) |
| Face Types | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint) |
| Standards Compliance | ASTM A182, ASME B16.5, ASME B16.47, EN 1092-1, DIN, BS |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | PMI testing, third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | Hardness test reports, NACE compliance, H2S service documentation available on request |
Correct stainless steel flange selection is critical to ensuring a leak-free piping system and long-term operational safety. The flange type, grade, and pressure class must be matched to the operating pressure, temperature, and media. Our technical team recommends evaluating four key factors before finalizing a stainless steel flange for projects in Africa, USA, Mexico, Oman, or Europe:
If you are unsure which stainless steel flange 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 flange solution.
We have supplied stainless steel flanges to buyers across Africa, the USA, Mexico, Oman, and Europe — building a supply track record that reflects reliability, compliance, and on-time delivery.
Every stainless steel flange shipment is accompanied by complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, Material Test Certificates (MTC to EN 10204 3.1), and third-party inspection reports on request.
Our stainless steel flanges comply with ASTM A182, ASME B16.5, ASME B16.47, EN 1092-1, DIN, and BS standards — ensuring that products meet the exact specifications of international industrial projects.
Stainless steel flanges are packed in durable, moisture-resistant packaging designed for long-distance sea, air, and road transport — protecting product integrity and surface finish from factory to destination.
We support a range of Incoterms — FOB, CIF, CFR, EXW, DAP — and coordinate with trusted freight partners for sea, air, and multimodal shipments to major ports across Africa, USA, Mexico, Oman, and Europe.
Our support team assists buyers with grade selection, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of stainless steel flange procurement.
Repsol Steel LLP supplies stainless steel flanges to a wide range of process industries across Africa, USA, Mexico, Oman, and Europe where corrosion resistance and reliable bolted connections are essential for safety and operational reliability.
SS316 and duplex flanges supplied for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines in upstream, midstream, and downstream operations across Africa, USA, Mexico, Oman, and Europe.
SS316, SS321, and duplex flanges supplied for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
SS304, SS316, and SS904L flanges supplied for aggressive chemical and corrosive media applications in chemical plants, storage tanks, and process equipment.
SS316, SS904L, and duplex flanges supplied for process piping, high-pressure lines, and utility systems in desalination and water treatment facilities across Oman, Africa, Mexico, USA, and Europe.
SS304 and SS316 flanges supplied for hygienic piping systems, clean-in-place (CIP) lines, and high-purity process applications in pharmaceutical and food processing plants.
SS316, duplex, and super duplex flanges supplied for offshore platforms, subsea systems, shipbuilding, and marine piping where chloride resistance is essential.
Stainless steel flanges supplied to fabrication units and EPC contractors for piping spools, skids, modular systems, and industrial assemblies — with quick turnaround times and documentation support.
Repsol Steel LLP is recognized as a reliable stainless steel flange supplier for procurement teams, EPC contractors, and maintenance projects across Africa, the USA, Mexico, Oman, and Europe. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers worldwide — ensuring your stainless steel flanges arrive on time, in specification, and ready for installation.
Africa: Oil & Gas, mining, refinery & industrial piping projects
USA: Oil & Gas, chemical, power generation & EPC supply
Mexico: Refinery, petrochemical & process industry projects
Oman: Oil & Gas, petrochemical, desalination & refinery projects
Europe: Chemical, power, marine & industrial piping supply
All stainless steel flanges are supplied with material certificates, dimensional inspection reports, PMI testing, and third-party certification as required by project specifications.
Yes. We are a leading stainless steel flange supplier serving buyers across Africa, the USA, Mexico, Oman, and Europe — offering SS304, SS316, SS321, SS904L, duplex, and super duplex flanges in weld neck, slip-on, blind, lap joint, socket weld, and threaded types.
We supply SS304, SS304L, SS316, SS316L, SS321, SS321H, SS904L, Duplex F51 (UNS S31803), and Super Duplex F53/F55 — all per ASTM A182 with full traceability.
SS304 is a general-purpose stainless steel with good corrosion resistance. SS316 contains molybdenum, giving it superior resistance to chlorides, marine environments, and petrochemical service. SS316 is preferred for offshore, chemical, and high-chloride applications.
We provide complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, and Material Test Certificates (MTC to EN 10204 3.1). PMI testing and third-party inspection reports (SGS, BV, TUV, Intertek) are available on request.
Yes. We offer custom sizes, pressure classes, stainless steel grades, face types, and flange configurations based on drawings, piping specifications, and project requirements — with quick turnaround times.
Send us your stainless steel flange 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.
Repsol Steels LLP Team Is Here to Help
Looking for reliable pipes, fittings, flanges, valves or other industrial piping products? Share your requirement and our team will help you find the right product, material and specification.