Leading Flange Manufacturer & Exporter to Mexico
Werner Flanges is a trusted international flange manufacturer and exporter serving Mexico's dynamic oil and gas, petrochemical, energy, and industrial sectors. With over two decades of manufacturing excellence, we supply premium-quality flanges to Mexico's major industrial hubs including Ciudad del Carmen, Veracruz, Coatzacoalcos, Monterrey, Guadalajara, Puebla, and Tampico — supporting critical projects across PEMEX upstream and downstream operations, CFE power generation facilities, and Mexico's rapidly expanding private energy sector following the 2013 energy reform.
Our flanges are manufactured to ASME B16.5, ASME B16.47, and MSS SP-44 dimensional standards in materials ranging from ASTM A105 carbon steel for general oil and gas service to ASTM A182 F316L stainless steel for corrosive chemical processing and ASTM A350 LF2 for low-temperature service in LNG applications. Pressure classes span 150# through 2500# in sizes from ½” to 60″ NPS, covering the complete spectrum of Mexico’s industrial piping requirements from small-bore instrumentation lines to large-diameter crude oil transmission pipelines.
As a direct manufacturer supplying Mexico without intermediary trading companies, Werner Flanges delivers 15–25% cost savings compared to distributor pricing — a meaningful advantage for budget-conscious Mexican engineering and procurement teams managing tight project economics. Our strategic inventory management ensures rapid dispatch, with sea freight delivery to Veracruz Port or Altamira Port within 21–28 days, and air freight options to Mexico City, Monterrey, or Cancún airports for urgent requirements within 6–8 days.
Whether you're sourcing flanges for PEMEX offshore platforms in the Bay of Campeche, onshore pipelines operated by private companies under Mexico's energy liberalization program, CFE combined-cycle power plants, or petrochemical complexes in the Veracruz-Coatzacoalcos industrial corridor, Werner Flanges delivers reliability, technical expertise, and supply chain efficiency that Mexican industry demands.
Specifications
| Specification | Details |
|---|---|
| Pressure Rating | Class 150 to Class 2500 |
| Flange Type | Plate Flange |
| Facing Type | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Size Range | ½” to 24” (DN 15 to DN 600) |
| Temperature Range | -29°C to +593°C (Depending on Material & Pressure Class) |
| Applications | Oil & Gas, Petrochemical, Power Generation, Water Treatment, Marine & Industrial Sectors |
| Manufacturing Process | Forged / Machined |
| Certification | EN 10204 3.1 / 3.2, IBR, NACE MR0175 / ISO 15156 (as applicable) |
Matel and Grade
| Type of Materials | Common Specifications / Customization Available on Request |
|---|---|
| Duplex Steel | ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205 |
| Super Duplex Steel | ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo) |
| Stainless Steel | ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347 |
| Carbon Steel | ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II |
| Alloy Steel | ASTM/ASME A182 F1, F5, F9, F11, F12, F22 |
| Non-Ferrous Alloys | Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy |
| Titanium | ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
| Copper Nickel | ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30) |
| Brass, Al-Brass | ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass |
| Nickel Alloys | ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500 |
| Alloy 20 | ASTM B462 UNS N08020 |
| Hastelloy | ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22) |
| Cladded Materials | ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals |
| Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations |
Types of Flanges
| Weld Neck Flanges Supplier | Raised Face Weld Neck Flanges | Flat Face Weld Neck Flanges | RTJ Weld Neck Flanges | Long Weld Neck Flanges |
| High Pressure Weld Neck Flanges | Forged Weld Neck Flanges | Reducing Weld Neck Flanges | Industrial Weld Neck Flanges | Custom Weld Neck Flanges |
Industries and Applications We Supply
| Industry | Applications |
|---|---|
Oil & Gas |
Mexico’s oil and gas industry, historically dominated by Pemex (Petróleos Mexicanos), the state-owned energy company, underwent transformative liberalization through the 2013 constitutional energy reform. This opened upstream exploration, midstream pipeline transportation, and downstream refining to private and foreign investment for the first time since nationalization in 1938. The result has been a proliferation of new operators, joint venture projects, and infrastructure investments creating substantial demand for internationally sourced piping materials. PEMEX remains Mexico’s largest energy company and industrial consumer of flanges, operating offshore platforms in the Bay of Campeche (including the prolific Cantarell and Ku-Maloob-Zaap fields), onshore production in Tabasco and Chiapas states, and an extensive refinery network including Salamanca, Cadereyta, Tula, Minatitlán, Salina Cruz, and the new Olmeca refinery at Dos Bocas in Tabasco. PEMEX’s procurement standards require ASTM-certified materials with full traceability, third-party inspection capability, and comprehensive documentation — requirements Werner Flanges consistently meets. Private operators including Eni, Talos Energy, Harbour Energy, and dozens of smaller companies now operate production blocks across onshore and offshore Mexico, often bringing international procurement standards and supplier qualification requirements. These companies frequently source materials from proven international manufacturers rather than relying solely on domestic Mexican supply, creating opportunities for Werner Flanges to serve this modernizing market segment |
Power Generation |
Comisión Federal de Electricidad (CFE), Mexico’s state electricity company, operates a diverse generation portfolio including natural gas combined-cycle plants, hydroelectric facilities, geothermal plants, and legacy fuel oil units being upgraded or replaced. Combined-cycle plants at Altamira, Tuxpan, Huinalá, and numerous other locations require Class 300–900# carbon steel flanges for steam, feedwater, and cooling water systems. CFE’s ongoing capacity expansion and modernization program, partly involving private generation through independent power producer (IPP) contracts, sustains flange demand across Mexico’s electricity sector. |
Petrochemicals |
The Veracruz-Coatzacoalcos region hosts Mexico’s primary petrochemical industrial concentration, centered around PEMEX Fertilizantes’ ammonia and urea complexes, Braskem Idesa’s world-scale ethylene cracker and polyethylene plants at Nanchital, and numerous derivative chemical producers. This corridor generates consistent demand for carbon steel, stainless steel, and alloy flanges across process piping, heat exchanger connections, and distillation column nozzles. Braskem Idesa’s ethylene complex, one of Mexico’s most significant recent industrial investments, processes ethane feedstock through a 1.05 million ton/year cracker, producing polyethylene grades for Mexican and export markets. This facility alone requires thousands of flanges across its utilities, process, and safety systems — representing the type of large-scale, specification-driven demand Werner Flanges is positioned to serve competitively. |
|
Manufacturing & Automotive |
Northern Mexico’s manufacturing sector, particularly the automotive and aerospace clusters in Monterrey, Saltillo, San Luis Potosí, and Juárez, generates demand for utility flanges in compressed air, cooling water, and industrial gas distribution systems. These applications typically require Class 150–300# carbon steel or stainless steel flanges in standard ASME B16.5 dimensions, representing a different market segment from oil and gas but equally important for Werner Flanges’ diversified Mexico presence. |
Frequently Asked Questions (FAQs)
- Q1: Do your flanges comply with PEMEX procurement standards?
- Yes. Werner Flanges manufactures flanges to ASTM material specifications and ASME B16.5 standards referenced in PEMEX technical specifications. Materials include A105N normalized carbon steel, NACE MR0175-compliant grades for sour service, and A182 alloy steels for high-temperature refinery applications. We provide EN 10204 3.1 material test certificates, PMI results, dimensional inspection reports, and can arrange third-party inspection by Bureau Veritas, TÜV, or SGS. Quotations and technical documentation are available in Spanish.
- Q2: Can you supply flanges for sour gas service in Tabasco and offshore Campeche?
- Yes. For H₂S-bearing crude and gas, we supply ASTM A105N flanges with controlled hardness (≤22 HRC / ≤200 HB), low-sulfur chemistry, and normalized heat treatment certified to NACE MR0175. For extremely sour service, ASTM A350 LF2 or duplex stainless steel flanges are available for enhanced sulfide stress cracking resistance.
- Q3: What is the delivery time to Ciudad del Carmen for offshore supply?
- Typical delivery via Veracruz Port: 22–26 days sea freight + inland trucking to Campeche. Expedited air freight to Ciudad del Carmen Airport (CME) reduces delivery to 6–7 days door-to-door. We can coordinate through local freight agents experienced in PEMEX offshore logistics.
- Q4: Do you provide Spanish-language documentation for Mexican customs?
- Yes. Spanish-language translations of material test certificates, certificates of compliance, and technical data sheets are available. Commercial invoices, packing lists, and HS 7307 series tariff codes are included to facilitate Mexican customs clearance.
- Q5: Can you support the Dos Bocas (Olmeca) refinery supply requirements?
- Yes. Werner Flanges can supply carbon steel, alloy steel, and stainless steel flanges for Dos Bocas, from Class 150# cooling water flanges to Class 600–900# hydroprocessing units in A182 F22 chrome-moly. Third-party inspection and PEMEX-format documentation can be arranged, with logistics coordinated to Tabasco delivery points.
- Q6: Are USMCA tariff benefits applicable to your flange imports to Mexico?
- No. Flanges manufactured in India do not qualify for USMCA preferential treatment. Standard Mexican import duties (HS 7307.91, 7307.99) typically range 5–15% ad valorem. We provide certificates of origin and can advise on landed cost calculations.





