Stainless Steel Flanges to Mexico

Leading Manufacturer & Exporter of Precision Stainless Steel Flanges to Mexico’s Oil & Gas Sector

Werner Flanges is a certified manufacturer and global exporter of premium stainless steel flanges, delivering precision-engineered piping components to Mexico's most demanding industrial sectors. With over two decades of forging expertise and a fully equipped manufacturing facility, we supply stainless steel flanges that meet and exceed ASME B16.5, ASTM A182, API, and NOM standards — the benchmarks demanded by PEMEX, CFE, and leading EPC contractors operating across Mexico.

Mexico’s industrial landscape is among the most dynamic in Latin America. The country’s thriving oil and gas sector, anchored by PEMEX’s six operating refineries and the USD 12 billion Dos Bocas refinery in Tabasco, demands flanges that can withstand extreme pressures, corrosive media, and high-cycle service. Werner Flanges addresses these requirements head-on, supplying stainless steel flanges in grades 304, 304L, 316, 316L, 321, 347, and duplex 2205 and super duplex 2507 to industrial hubs from Monterrey and Mexico City to Veracruz, Tampico, and Villahermosa.

Our product range covers all seven ASME flange types — Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, and Ring Type Joint (RTJ) — in pressure classes from 150# through 2500# and sizes from 1/2″ to 60″. Whether your project is a high-integrity offshore platform in Campeche Bay, a petrochemical expansion in Veracruz, a new pipeline in Tamaulipas, or a water treatment installation near Mexico City, Werner Flanges offers ready stock, custom manufacturing, and expedited delivery within 18–25 days via sea freight to Veracruz, Tampico, Altamira, and Manzanillo ports.

Every flange we supply arrives with a complete documentation package including Material Test Certificates (MTC), dimensional inspection reports, PMI test results, and third-party certifications from TUV, SGS, Lloyd's Register, Bureau Veritas, and DNV — meeting the traceability and quality requirements of PEMEX's supplier qualification process.
• stainless steel flanges manufacturer Mexico
• ASME B16.5 stainless flanges supplier Mexico City
• SS 316 flanges exporter Monterrey Mexico
• PEMEX approved stainless steel flanges
• duplex stainless steel flanges Veracruz
• 316L stainless flange supplier Tamaulipas

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
Cladded Materials	Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations

Types of Flanges

Slip On Flanges	Weld Neck Flanges	Blind Flanges	Socket Weld Flanges	Threaded Flanges
Lap Joint Flanges	Orifice Flanges	Reducing Flanges	Long Weld Neck Flanges	Expander Flanges

Industries and Applications We Supply

Industry	Applications
Oil & Gas Industry	Mexico’s oil and gas sector, dominated by Petróleos Mexicanos (PEMEX), represents the largest single market for stainless steel flanges in the country. PEMEX operates six active refineries — at Salamanca, Minatitlan, Tula, Cadereyta, Salina Cruz, and Madero — alongside the near-complete 340,000 bpd Dos Bocas refinery in Tabasco, one of the largest single infrastructure investments in Mexico’s recent history. All refinery applications involving hydrogen sulfide (H2S), sour crude, and high-temperature steam require stainless or alloy steel flanges per NACE MR0175 / ISO 15156 specifications.Upstream, PEMEX’s shallow-water platforms in Campeche Bay — including the Ku-Maloob-Zaap, Cantarell, and Litoral de Tabasco complexes — rely on stainless steel weld neck flanges in 316L and duplex 2205 for subsea headers, production trees, and topside piping. Werner Flanges supplies these projects with full mill traceability documentation, NACE compliance certificates, and third-party inspection by TUV or DNV as required. The PEMEX 2025–2030 investment plan for 18 new field developments and 15 new platforms sustains strong ongoing demand for high-specification stainless flanges
Petrochemical & Chemical Processing	Mexico’s petrochemical hub is concentrated in the state of Veracruz, where PEMEX’s Cangrejera, Morelos, Cosoleacaque, Cuauhtémoc, Pajaritos, and Escolín plants form one of Latin America’s most significant petrochemical complexes. PEMEX’s 2025 strategic plan calls for a 200% increase in ammonia and urea production from these facilities, involving significant plant expansion and equipment renewal — creating substantial demand for stainless steel flanges in grades 316L and 321 for ammonia synthesis loops, urea reactors, and corrosive media piping.The near-shoring boom in northern Mexico — particularly in Tamaulipas, Nuevo León, and Coahuila — has attracted over USD 20 billion in greenfield industrial investment, including electronics, automotive components, and packaging supply chains that require stainless steel piping systems for coolants, process water, and chemical handling. Werner Flanges serves these industries from Monterrey and Altamira through our logistics partnerships for fast turnaround on standard specifications
Power Generation	Mexico’s Federal Electricity Commission (CFE) operates over 200 power plants across the country, including combined-cycle gas turbine (CCGT) plants in Monterrey, Altamira, Tuxpan, and Manzanillo, as well as coal-fired plants in Coahuila and Guerrero. High-pressure steam systems in these plants — operating at temperatures from 400°C to 600°C and pressures of 150 to 240 bar — require ASME B16.5 stainless steel flanges in F321, F347, and F316L for superheater lines, feed water heaters, and boiler economizers. Werner Flanges’ F321 flanges, heat-treated and supplied with full heat treatment documentation, are a key product for CFE plant maintenance cycles.
Water & Wastewater Treatment	Mexico’s rapidly urbanizing population and industrial growth are driving investment in water treatment and distribution infrastructure across major metropolitan areas. Municipal treatment plants in Mexico City, Guadalajara, and Monterrey, along with private industrial water systems, use stainless steel flanges in 304 and 316 for chlorinated water handling, effluent treatment, and distribution mains. Coastal areas and water-scarce northern regions are also investing in desalination, where duplex stainless flanges resistant to chloride stress corrosion cracking are specified for brine and concentrate piping.

Frequently Asked Questions (FAQs)

q1: do your stainless steel flanges comply with pemex supplier requirements?: yes. our stainless steel flanges are manufactured with full en 10204 3.1 mtcs, dimensional inspection reports, and pmi test results — the core documentation requirements for pemex procurement international (ppi) registered suppliers. third-party inspection by tuv, sgs, or bv at our facility can also be arranged to satisfy pemex qa requirements.
q2: what is the delivery time to mexico?: standard sea freight transit to veracruz or tampico/altamira is 18–22 days from dispatch. mexico city, monterrey, and guadalajara receive shipments within 20–25 days door-to-door via sea freight. for urgent requirements, air freight to major mexican airports is available in 4–7 days. lead time for manufacturing is 7–14 days for standard specifications, or 3–4 weeks for custom orders.
q3: are your stainless steel flanges compliant with nace mr0175 for sour service?: yes. we supply stainless steel and duplex flanges with documented compliance to nace mr0175 / iso 15156 for use in h2s-containing environments. this includes hardness testing (brinell/rockwell) per nace limits, controlled heat treatment, and nace compliance certificates included in the documentation package. this is standard for pemex upstream and refinery sour service applications.
q4: can you supply special grades such as alloy 825, inconel 625, or hastelloy c276?: yes. werner flanges manufactures flanges in all nickel-based superalloys including astm b462 uns n08825 (alloy 825), astm b564 uns n06625 (inconel 625), and astm b574 uns n10276 (hastelloy c276). these are available to order with 4–6 week lead time for mexico’s chemical processing and offshore applications requiring extreme corrosion resistance.
q5: can werner flanges provide custom bore sizes for pemex pipe schedules?: yes. we manufacture custom bore stainless steel flanges to any pipe schedule, including asme b36.19m schedules 5s, 10s, 40s, 80s, and non-standard bore diameters per customer drawing or specification. bore tolerances are machined to ±0.5mm. custom bore flanges are available in all grades and pressure classes with a 2–3 week manufacturing lead time.
q6: do you offer stainless steel flanges certified to din / en standards for european epc contractors working in mexico?: yes. for projects specified to european standards — common when european epc firms are involved in mexican projects — we can supply flanges dimensioned to din 2631-2637 or en 1092-1 with en 10204 3.2 third-party certified mtcs. material grades comply with en 10222-5 and en 10272. please specify the required standard in your inquiry so our team can confirm dimensional compatibility and preparation time.