Steel Piping & Industrial Pipe Solutions
Structural steel pipe, carbon steel, stainless, and alloy piping for commercial construction, oil & gas, manufacturing, and infrastructure projects.
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Shop Steel Piping by Type
HQCS stocks schedule 10 through schedule 160 in carbon, stainless, and alloy grades for all commercial and industrial applications.
Carbon Steel Pipe
A53, A106, and API 5L grades. Available in seamless and welded. Ideal for structural, HVAC, and fluid transport.
Stainless Steel Pipe
304, 316, and 316L stainless for corrosive environments, food processing, pharma, and marine applications.
Alloy Steel Pipe
P11, P22, P91 chrome-moly for high-temp and high-pressure applications in power plants and refineries.
HDPE & PVC Industrial Pipe
High-density polyethylene and PVC for water mains, drainage, chemical lines, and underground infrastructure.
Pipe Fittings & Flanges
Elbows, tees, reducers, couplings, flanges, and valves in carbon, stainless, and alloy grades.
Custom Cut & Fabrication
Custom lengths, threading, grooving, beveling, and pipe spool fabrication with full material certs.
Why Source Piping Through HQCS?
Mill Certs & MTRs
Full material test reports and ASTM certifications provided with every order.
Fast Fulfillment
Same-day quotes, 2–5 day ship on stock items, custom fab in 5–10 business days.
Net 30 Terms
Open account available for qualified commercial and industrial buyers.
Engineering Support
Our pipe specialists help spec the right grade, schedule, and end prep for your application.
Get a Custom Piping Quote
Submit your pipe schedule, grade, quantities, and delivery location — we’ll respond within 4 business hours.