Northwest Pipe Company manufactures spiral weld double-submerged arc steel pipe with the most technologically advanced state-of-the-art equipment. Double submerged arc welding ensures optimum product integrity and strength. This process achieves 100 percent penetration welds that form a flawless seam - an integral part of the pipe. Our spiral products are noted for high quality and for competitive prices. 100 percent radioscopic and ultrasonic inspection capabilities are available.
Sprial Weld Specifications
Plate Roll Specifications
Custom Fabrication & Coatings
Northwest Pipe Company offers in-house engineering, custom fabrication services, a wide range of coating systems and ready-to-drive piles in lengths up to 180'.
Shipping is available by truck, rail and barge.
Quality Assurance / Certifications
Quality is manufactured in, not inspected in. Northwest Pipe Company is committed to manufacturing the highest quality pipe products to meet the most demanding project requirements. Our dedication to providing the best pipe products on the market is proven by our commitment to quality as recognized by the following organizations:
Northwest Pipe Company's Adelanto, CA manufacturing facility is approved by the State of California's Department of Transportation for the Manufacturer's Quality Audit for Steel Pipe Piling.
Whatever your steel pipe requirements, Northwest Pipe Company has the manufacturing expertise to meet your project's needs.
East of Rockies West of Rockies
Tom Bass Mario Velasco