Carbon Steel Flanges Supplier to Mexico

Leading Manufacturer & Exporter of Carbon Steel Flanges to Mexico's Oil, Gas & Petrochemical Industries

Mexico's industrial sector is one of Latin America's most dynamic and demanding environments for pipeline components. From PEMEX's six legacy refineries and the newly commissioned Olmeca (Dos Bocas) refinery to the burgeoning nearshoring manufacturing corridors in Nuevo León, Tamaulipas, and Querétaro, the need for high-integrity carbon steel flanges has never been greater. Werner Flanges is a specialized carbon steel flanges distributor serving Mexico with a comprehensive range of ASME B16.5-compliant forged flanges engineered for the precise pressures, temperatures, and chemical environments found across Mexican industry.

With over two decades of expertise in precision flange manufacturing, Werner Flanges supplies ASTM A105, ASTM A350 LF2, and ASTM A694 carbon steel flanges to procurement teams, EPC contractors, distributors, and plant maintenance departments throughout Mexico. Our product range covers all standard flange types — Weld Neck, Slip On, Blind, Socket Weld, Threaded, Lap Joint, and Orifice — in sizes from ½” to 60″ and pressure classes from 150# to 2500#.

Whether your project sits in the Cantarell offshore zone, the Coatzacoalcos petrochemical complex, the Salamanca refinery corridor, or a new nearshoring industrial park in Monterrey, Werner Flanges delivers certified carbon steel flanges with full documentation. Shipping is handled via established logistics routes through the ports of Veracruz, Altamira, Manzanillo, and Lázaro Cárdenas, with typical sea-freight delivery in 18–25 days from our manufacturing facility.

For buyers across Mexico's oil & gas, power generation, petrochemical, water treatment, and manufacturing sectors, Werner Flanges offers direct-manufacturer pricing, no minimum-order barriers on standard items, and a dedicated technical team available to advise on material selection, pressure-temperature ratings, and standards compliance.

ASTM A105 flanges supplier Mexico fast delivery
ASME B16.5 carbon steel flanges manufacturer Mexico
NACE MR0175 carbon steel flanges sour service Mexico
low temperature carbon steel flanges LNG Mexico ASTM A350 LF2
forged carbon steel flanges Veracruz Altamira import

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	Expander Flanges	Long Weld Neck Flanges

Industries and Applications We Supply

Industry	Applications
Oil & Gas Industry	Mexico remains one of the largest oil producers in the world, averaging 1.48 million barrels per day in 2024 and ranking fourth in the Americas, with hydrocarbons contributing roughly 30% of federal revenues.Upstream: Carbon steel flanges in 900# to 2500# are specified for wellhead connections, production manifolds, and flowline headers. Woodside Energy’s Trion project — a USD 7 billion venture targeting first oil in 2028 with a 100,000-bpd FPSO at 2,500 metres water depth — and the parallel USD 4.5 billion Zama field development represent major demand drivers for high-pressure carbon steel flanges. PEMEX onshore fields in Tabasco and Chiapas require large volumes of standard A105 flanges for gathering and processing piping.Midstream: The Sistrangas national gas grid and Mexico’s expanding pipeline network require carbon steel flanges at compressor stations, pig launchers, block valve connections, and fiscal metering stations. Gas now fuels 40% of CFE’s installed capacity, making pipeline integrity a national energy security priority.Downstream: Refineries led 64.8% of Mexico’s oil and gas downstream market share in 2024. PEMEX’s six legacy refineries — Tula, Salamanca, Cadereyta, Minatitlán, Salina Cruz, and the new Olmeca refinery at Dos Bocas — each require thousands of carbon steel flanges annually for maintenance, turnaround, and capital projects. LNG: New Fortress Energy shipped Mexico’s first LNG cargo from Altamira in July 2024, inaugurating a 1.4 Mtpa facility anchoring Gulf coast exports. Sempra’s 3 Mtpa Energia Costa Azul project on the Pacific Coast is expected to enter commercial service imminently. Both require ASTM A350 LF2 low-temperature carbon steel flanges throughout their cryogenic piping.
Petrochemical & Chemical Processing	Mexico’s petrochemical corridor — centred on the Coatzacoalcos-Nanchital complex in Veracruz, home to Braskem Idesa, Orbia, and Cydsa facilities — is one of Latin America’s most significant. Petrochemical plants are projected to grow at a 4.2% CAGR to 2030, driven by nearshoring demand for packaging, automotive, and electronics materials. Carbon steel flanges in 150# to 900# are used throughout reactor nozzles, distillation column connections, heat exchanger piping, and storage tank systems.
Power Generation	CFE operates a large fleet of gas-fired combined-cycle plants across Mexico, and the country plans to add 10.1 GW of new combined-cycle capacity by 2030. Carbon steel flanges in 300# to 900# are standard in boiler feed water systems, turbine exhaust connections, steam headers, and cooling water distribution — representing sustained demand for Werner Flanges’ product range.
Water & Wastewater Treatment	Municipal water authorities and private treatment operators rely on carbon steel flanges in 150# to 300# classes for transmission mains, pump station connections, and treatment plant process piping. Infrastructure investment underway in Baja California, Sonora, and coastal states is creating incremental demand.

Frequently Asked Questions (FAQs)

q1: do werner flanges’ carbon steel flanges comply with pemex procurement requirements?: yes. our astm a105 and a350 lf2 flanges are manufactured to asme b16.5 with full en 10204 3.1 mtcs, aligning with pemex documentation requirements. nace mr0175 compliance and third-party inspection by bureau veritas or sgs are accommodated with advance notice.
q2: what is the typical lead time for delivery to mexico?: standard a105 sizes (½”–24″, 150#–600#) are dispatched within 2–4 weeks, with sea freight transit to veracruz or altamira taking 18–22 days. air freight reduces total delivery to 3–5 days from dispatch. custom or large-diameter flanges (26″–60″) carry a 6–10 week manufacturing lead time.
q3: can you supply both astm a105 and astm a350 lf2?: yes. astm a105 is our standard grade for service above -20°f (-29°c). astm a350 lf2 is supplied for low-temperature and cryogenic applications, including mexico’s lng terminals at altamira and energia costa azul.
q4: do you offer nace mr0175-compliant flanges for pemex sour-service applications?: yes. flanges for h₂s service are manufactured with controlled hardness (≤22 hrc / 237 hbw) and supplied with nace mr0175 / iso 15156 compliance documentation. specify sour service at inquiry.
q5: can you supply large-diameter carbon steel flanges for mexico’s pipeline projects?: yes. we manufacture to asme b16.47 series a and b from 26″ nps up to 60″ nps for transmission pipeline isolation flanges, large-bore storage tank nozzles, and compressor station connections.
q6: is third-party inspection available before shipment?: yes. we accommodate all internationally recognized agencies including tÜv, dnv, bureau veritas, sgs, and intertek. coordination is part of our standard service for critical orders.
q7: do you provide technical support for flange material selection?: yes. our bilingual (english/spanish) technical team advises on material grade selection, pressure-temperature ratings, facing type, and gasket compatibility. contact us with your design pressure, temperature, fluid service, and applicable code for a recommendation.