Industrial Pipe, Steel & Equipment Supply Standards
An authoritative overview of stainless steel metallurgy, API 5L pipeline specifications, OCTG well casing standards, structural iron fabrication, and industrial valve selection for West Africa's heavy energy operations.
1. API 5L Seamless Stainless Steel Line Pipes
In high-pressure oil, natural gas, and refined hydrocarbon transport, seamless stainless steel pipes serve as the fundamental conduit of energy infrastructure. Unlike welded pipe variants, seamless line pipes are manufactured through solid billet piercing, eliminating longitudinal weld seams and eliminating structural weak points under cyclic pressure loads.
At Emmawin Oil & Gas Nig. Ltd, we maintain an extensive ready-to-ship inventory of API 5L PSL1 and PSL2 seamless stainless steel pipes at our central Delta depot. Our stock ranges from 2-inch to 48-inch outer diameter (OD) with wall thicknesses spanning Schedule 40, Schedule 80, Schedule 160, and Double Extra Strong (XXS).
TECHNICAL METALLURGY SPECIFICATIONS
• Stainless Steel Grades Available: SS304, SS316, Grade B, X42, X52, X60, X65, X70, and X80.
• Service Conditions: Sour Service (NACE MR0175/ISO 15156 compliant for H2S environments) & Low-Temperature Stainless Steel.
• End Finishes: Plain End Beveled (PEB) for field welding, threaded and coupled, or grooved ends.
2. OCTG Well Casing, Tubing & Structural Iron Supplies
Downhole drilling operations require Oil Country Tubular Goods (OCTG) capable of withstanding extreme hydrostatic pressures, tectonic shifts, and corrosive formation fluids. Emmawin supplies API 5CT certified casing and tubing designed to stabilize wellbores and facilitate safe production.
Additionally, our structural steel sales division supplies Universal I-Beams, H-Beams, structural angle irons, and channel steel required for refinery skids, platform jackets, offshore module frames, and heavy industrial plant construction across Nigeria.
OCTG & STRUCTURAL PRODUCT RANGE
• OCTG Casing Grades: API 5CT J55, K55, N80, L80, P110 in 4 1/2" to 20" OD with BTC, LTC, and premium gas-tight connections.
• Structural Irons: Universal Beams (UB), Universal Columns (UC), Equal & Unequal Angle Irons, and Channels in ASTM A36 / S275JR / S355JR structural grades.
• Industrial Valves: Gate, Globe, Check, and Trunnion Ball Valves (ANSI Class 150 to 2500) with API 6D fire-safe certification.
Comprehensive Material Stock Matrix
Full traceability and 100% EN 10204 3.1 Mill Test Certification guaranteed
| Product Category | Available Dimensions / Schedule | Standard & Metallurgical Grade | Mill Certification |
|---|---|---|---|
| Seamless Stainless Steel Line Pipes | 2" – 48" OD (SCH 40, 80, 160, XXS) | API 5L (PSL1/PSL2) SS304 / SS316 / X42 to X80 | 3.1 / 3.2 Certified |
| OCTG Well Casing & Tubing | 4 1/2" – 20" OD (BTC, LTC, VAM) | API 5CT J55, K55, N80, L80, P110 | 3.1 Certified |
| Structural Irons & Steel Beams | UB, UC, Equal Angle, Channels (6m-12m) | ASTM A36, EN 10025 S275 / S355 | 3.1 Certified |
| High-Pressure Valves & Flanges | Gate, Globe, Check, Ball (Class 150-2500) | API 6D, ASME B16.5, WCB / SS316 / NACE | 3.1 Fire-Safe Cert |
Request Material Specifications or Sales Pricing
Speak directly with our Delta technical sales desk for instant pricing, mill test certificates, and immediate transport dispatch.