ALL PIPE IS NOT CREATED EQUALLY
Reliable welded stainless-steel pipe and fittings.
At Douglas Barwick, we manufacture industrial pipe and fittings in welded stainless-steel and specialty alloys for demanding process industries across North America. Manufactured in Canada, our products are engineered for long service life, dependable performance, and consistent quality you can trust.
Process piping systems are critical to your plant’s continuous operations. A single component failure can compromise system integrity and lead to costly, unplanned downtime. We manufacture every run to eliminate operational risk and keep your facility moving.
Our pipes and fittings are fabricated using proven manufacturing processes, qualified welding procedures, and rigorous quality control. Every production lot of pipe undergoes tensile and bend testing, while products are pickled and passivated to ASTM A380 to help maximize corrosion resistance and maintain clean, durable surfaces. Material traceability is maintained through original mill certificates for complete confidence in product quality.
Pipe and Fittings We Manufacture
At Douglas Barwick, we manufacture a broad range of welded piping products, including:
Standard catalogue products are stocked in common sizes, while additional diameters, wall thicknesses, and specialty alloys can be fabricated upon request. Pipe and fittings are usually furnished with square cut ends but can also be provided with beveled ends.
Our Materials
We manufacture pipe and fittings in a variety of corrosion-resistant and specialty materials, including:
Material selection depends on your application, operating environment, and corrosion requirements. Our team works with a wide range of materials to ensure we can accommodate whatever materials meet your specifications.
Sizes and Capabilities
At Douglas Barwick, we manufacture welded pipe and fittings in an extensive range of sizes to support both standard industrial systems and large-diameter process piping
That includes pipe sizes with diameters that range from ¾ inch NPS up to 96 inches, and wall thicknesses that encompass everything from 14 gauge (.083″) to 0.500″.
Additional diameters, wall thicknesses and configurations can be discussed and custom fabricated for specialized applications.
Manufactured to Recognized Standards
Our products are manufactured to widely accepted North American specifications, including:
Upon request, stainless steel products can also be supplied with NSF 61 and G372 certification for potable water applications.
FAQs for Pipe and Fittings Fabrication
Yes. All our pipe and fittings at Douglas Barwick are manufactured in Canada using North American inputs, qualified welding procedures, rigorous quality control processes, and materials that meet recognized North American standards. We are the only pipe and fittings manufacturer of our kind and scale currently operating in Canada.
Our products are used across a wide range of industries, including mining, pulp and paper, food and beverage, water and wastewater, chemical processing, power generation, marine, oil and gas, and other industrial processing applications. Learn more about the markets we work with.
Yes. In addition to our standard catalogue products, we manufacture custom pipe, fittings, and specialty components in a wide variety of sizes, materials, and configurations. If your application requires a non-standard solution, our team can work with you to develop the right product.
Quality is built into every stage of production at Douglas Barwick. We use qualified welding procedures, perform tensile and bend testing on production lots, and maintain full material traceability through original mill certificates. Hydrostatic testing, radiographic testing, and pickling and passivation on stainless steel products to ASTM A380 are also available upon request. Learn more about our quality assurance standards.
Ready to reach out?
If you have questions, concerns, or a project for us, please don’t hesitate to reach out. We’re happy to discuss how we can help you with your pipe and fittings fabrication.