LSAW Steel Pipe

1. Raw Material Preparation: 

High-quality carbon/low-alloy steel plates inspection and cutting.

2. Forming: 

Choose UOE, RBE, or JCOE process to shape steel plates into cylindrical form.

3. Welding: 

Submerged arc welding (SAW) for uniform, defect-free longitudinal seams.

4. Expansion: 

Precision expansion to ensure dimensional accuracy, roundness, and straightness.

5. Heat Treatment: 

Optional stress relief treatment for enhanced toughness.

6. Non-Destructive Testing (NDT): 

Ultrasonic (UT) and Radiographic (RT) testing for weld integrity.

7. Hydrostatic Testing: 

Pressure testing to ensure leak-proof performance.

8. Chemical & Mechanical Testing: 

Charpy V-notch, hardness, and tensile strength tests.

9. Surface Treatment: 

Optional FBE/3LPE/3LPP anti-corrosion coatings.

10. Final Inspection: 

Visual, dimensional, and weight checks before packaging.

Superior Strength: 

High tensile and yield strength, ideal for high-pressure API 5L gas welded pipe procurement and large diameter water pipeline projects.

Excellent Toughness: 

Low-temperature impact resistance (per ASTM A370) adapts to West Asia’s highland temperature fluctuations.

Precision Welding: 

Submerged arc welding ensures uniform seams, critical for Welded Structural pipe in building and bridge construction.

Dimensional Consistency: 

UOE/JCOE processes guarantee roundness and straightness for seamless installation in regional projects.

Corrosion Resistance: 

Optional FBE/3LPE/3LPP coatings withstand Middle East desert corrosion and Southeast Asian coastal humidity.

Customizability: 

Flexible diameters, wall thicknesses, and lengths meet diverse Construction welded pipe needs across regions.

Our LSAW steel pipes comply with global and regional standards to ensure project compliance:

• International Standards: API 5L (PSL1/PSL2), ASTM A671, ASTM A672, EN 10217, ISO 3183
• Quality Management: ISO 9001
• Special Certifications: API Monogram, CE/PED (for global acceptance)
• Regional Compliance: SASO (Middle East), SONCAP (Africa), SNI (Indonesia), TIS (Thailand)
• All orders include NDT reports, material test certificates (MTC), and compliance documents for customs clearance.

Packaging

• Steel pipes are bundled with high-strength galvanized steel straps to prevent deformation during long-distance transit.
• Wrapped in moisture-proof film and anti-corrosion paper to protect against humidity (Southeast Asia/Africa) and dust (Middle East deserts).
• Placed on ISPM 15-certified wooden pallets for international shipping compliance.
• Large-diameter pipes (OD ≥800mm) are individually wrapped and supported by steel brackets.
• Clear labeling includes product name, grade, specs, batch number, and handling instructions in English.

Shipping

• Lead Time: Standard orders (≤300 tons): 15-25 working days; Bulk orders (＞300 tons): 25-40 working days; Customized orders: 30-45 working days.
• Logistics Partners: Maersk, CMA CGM (global), Aramex (Middle East), SICEPAT (Southeast Asia), GIGL (Africa).
• Delivery Coverage: Port-to-port, door-to-door for major cities, and inland transport to remote project sites (e.g., African rural water projects).
• Special Arrangements: For oversize pipes, we coordinate with regional authorities for transportation permits.

RFQ Question: Need API 5L X70 LSAW pipe for UAE’s offshore gas project—can it resist salt spray?

Answer: Yes, our API 5L X70 LSAW pipe comes with optional 3LPE coating (salt spray resistance ≥1000h) for UAE’s coastal conditions. It’s SASO and API PSL2 certified, with delivery in 20-30 working days.

RFQ Question: Is your LSAW pipe suitable for Nigeria’s large diameter water pipeline in tropical rains?

Answer: Absolutely. We recommend API 5L X52 LSAW pipe (OD 610-1219mm) with FBE coating to resist humidity. It’s SONCAP-approved, leak-proof via hydrostatic testing, and delivered to Lagos port with clearance support.

RFQ Question: Can you supply Welded Structural pipe for Iran’s mountain bridge project?

Answer: Yes, our API 5L X60 LSAW pipe offers high toughness for Iran’s temperature fluctuations. It meets ISIRI standards, with WT 10-30mm for piling use, and comes with bilingual test reports.

RFQ Question: What’s the MOQ for API 5L gas welded pipe procurement in Thailand?

Answer: The MOQ is 50 tons for API 5L X52/X65 LSAW pipe. It’s TIS-compliant, suitable for Thailand’s gas transmission, and delivered in 15-25 working days with on-site installation guidance.

RFQ Question: Do your LSAW pipes meet Saudi Arabia’s construction standards for high-rises?

Answer: Yes, our ASTM A/B LSAW pipe (Welded Structural pipe) meets SASO and API standards. It’s ideal for Saudi’s desert climate, with WT 6-18mm for building structures, and includes full compliance documents.

RFQ Question: Need large diameter water pipeline (OD 1000mm) for Kenya’s rural project—can you deliver?

Answer: Yes, we supply API 5L X42 LSAW pipe (OD 1000mm, WT 12mm) for Kenya’s water mains. It’s SONCAP-certified, with moisture-proof packaging, and we arrange inland transport to remote sites.