Pacific Shipyard, Mexico: Large-Diameter Longitudinal Submerged Arc Welded (LSAW) Steel Pipe Supply

Project Overview

A leading Mexican shipyard, Pacific Shipyard, undertook a major harbor infrastructure upgrade requiring large-diameter steel pipes for waterfront construction and marine structure applications.

Project Specifications

Product: Carbon Steel Longitudinal Submerged Arc Welded (LSAW) Pipe

Material Standard: EN 10219 S275JR

Nominal Diameter: 56 inches

Wall Thickness: Schedule STD (Standard)

Total Length Supplied: 18,000 meters

Total Weight: 12,265 metric tons

Technical Highlights

Manufacturing Process: Longitudinal submerged arc welding (LSAW) ensuring consistent weld integrity along pipe length

Material Properties: S275JR grade providing minimum yield strength of 275 MPa

Dimensional Scope: 56-inch large diameter suitable for major marine construction applications

Quality Compliance: Conforms to European standard EN 10219 for cold-formed welded structural hollow sections

Quality Assurance

Welding Integrity: Full-length submerged arc welding with continuous non-destructive testing

Material Verification: Chemical composition and mechanical properties certified per EN 10219

Dimensional Control: Strict adherence to diameter, roundness, and straightness tolerances

Surface Quality: Controlled surface finish suitable for marine environment applications

Project Execution

Supplied 18,000 meters of 56-inch LSAW pipes to Pacific Shipyard, Mexico

Managed complete logistics chain including international shipping and port handling

Maintained production schedule to align with shipyard's construction timeline

Provided full certification package meeting international maritime standards

Value Delivered

Structural Reliability: LSAW manufacturing process ensures consistent performance in critical marine structures

Project Schedule Adherence: Timely delivery supporting the shipyard's infrastructure upgrade timeline

Technical Compliance: Full conformity with European standards for welded structural steel sections

Cost Efficiency: Optimized manufacturing solution for large-diameter pipe requirements

This supply contract demonstrated our capability to execute large-scale international projects for specialized marine and shipbuilding applications, providing technically compliant products while maintaining strict schedule commitments.