ASME B16.5 Forged Flanges Supplier in Nigeria, Size up to 60” NB, pressure-rated flanges up to Class 2500# Series A/B Flange in Abuja
Omaa Metal Sources is a leading industrial flanges supplier in Nigeria, providing a wide variety of forged and machined flanges for critical sectors such as oil & gas, petrochemicals, refineries, water treatment, and power generation. We have built a strong presence across Nigeria’s industrial cities including Lagos, Abuja, Port Harcourt, Kano, Ibadan, Warri, Aba, and Benin City.
As a top-tier manufacturer and exporter, we specialize in flanges produced to ASME B16.5, ASME B16.47 Series A/B, API 6A, EN 1092-1, DIN 2633, and BS 4504 standards. With the Nigerian oil and energy sectors being among the largest in Africa, we provide pressure-rated flanges up to Class 2500# and API 6A flanges rated up to 15000 PSI, built for high-performance operations in corrosive and high-pressure environments.
We supply in-demand grades including ASTM A182 F304/F316 stainless steel, A105 carbon steel, Duplex F51, Super Duplex F53 & F55, Inconel 625/825, Hastelloy C276, and Monel 400/K500. All flanges are manufactured in ISO 9001:2015, PED, and IBR-approved facilities, with full traceability and EN 10204 3.1/3.2 certifications. Our flanges meet NACE MR0175 standards for sour service and offshore applications, vital for Nigeria’s deepwater and onshore energy projects. Get a Quote.
Complete Range of Industrial Flanges Delivered to Nigeria
Technical Specifications of Industrial Flanges in Nigeria
| Specification | Details |
|---|---|
| Size Range | 1/2” (15 NB) to 60” (1500 NB) & Custom Sizes |
| Class / Pressure Rating |
ANSI/ASME: 150#, 300#, 600#, 900#, 1500#, 2500# API: 2000#, 3000#, 5000#, 10000#, 15000# DIN: PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, PN250 |
| Standards / Dimensions |
ASME B16.5 (Up to 24”) ASME B16.47 (Series A & B) (Above 24”) MSS SP-44 API 6A EN 1092-1 BS 4504 JIS B2220 DIN 2527, DIN 2631-2635 AWWA C207 |
| Connection Type | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Material Standards |
ASTM A105 / A105N (Carbon Steel) ASTM A350 LF2 (Low-Temperature Carbon Steel) ASTM A182 F304 / F304L / F316 / F316L (Stainless Steel) ASTM A694 F42, F52, F60, F65, F70 (High Yield Carbon Steel) ASTM A182 UNS S31803 / S32205 / UNS S32750 / UNS S32760 (Duplex & Super Duplex Steel) ASTM B564 UNS N06625, N08825 (Inconel & Incoloy) ASTM B381 (Titanium Gr.2, Gr.5) |
| Materials & Grades |
Carbon Steel: A105, A350 LF2, A694 F52-F70 Stainless Steel: 304, 304L, 316, 316L, 321, 347, 904L Duplex & Super Duplex Steel: F51, F53, F55 Alloy Steel: A182 F1, F5, F9, F11, F22, F91 Nickel Alloys: Inconel 600/625, Monel 400/K500, Hastelloy C22/C276 Copper Alloys: Cu-Ni 70/30, Cu-Ni 90/10 |
Industries We Serve in Nigeria
- Offshore & Onshore Oil Fields in Niger Delta and Bonny Island
- Refinery & Petrochemical Complexes in Port Harcourt and Lagos
- LNG Terminals & Gas Processing in Warri and Brass
- Water Infrastructure & Power Plants in Abuja and Kano
- Cement, Fertilizer & Food Industries in Ibadan and Aba
- Construction and Fabrication Projects in Emerging Industrial Zones
Why Choose Omaa Metal Sources for Flanges in Nigeria
- Decade-long export track record to West Africa’s largest economy
- Flanges designed for corrosion resistance and extreme pressure environments
- Complete export documentation: MTCs, Test Reports, Marking & Packaging
- Custom flange manufacturing based on project specs and drawings
- Timely delivery to Lagos Seaport and inland locations via our global logistics partners