Stein-Way 4" ID Galvanized Schedule 40 Pipe (4.5" OD)

Inner Diameter: 4" Outer Diameter: 4.5" Wall Thickness: .237" PLEASE NOTE: 21' length cannot be shipped and is available for pickup only at our Apple Creek, OH location. Built to last where it matters most. Whether you're running a commercial plumbing line, framing a livestock pen, or setting posts that need to outlast the weather, this 4" galvanized Schedule 40 steel pipe delivers the strength and corrosion resistance the job demands. Why Galvanized Schedule 40? The hot-dip galvanized zinc coating creates a barrier against rust, moisture, and the elements — making this pipe the right call for outdoor, underground, and high-humidity applications. Schedule 40 wall thickness (0.237") gives you the strength you need without unnecessary weight or cost. Common Applications Fire suppression and sprinkler systems Commercial and industrial water supply lines Natural gas distribution Structural columns, posts, and bollards Agricultural irrigation mains Corral and livestock pen framing Gate and fence frameworks Dock and pier support structures Specifications Inside Diameter: 4" Outside Diameter: 4.500" Wall Thickness: 0.237" Material: ASTM A53 Carbon Steel Finish: Hot-Dip Galvanized (HDG) Schedule: 40 Available Lengths: 7' & 21' Compliance & Standards Meets ASTM A53 and ANSI B36.10 standards. Suitable for use in structural, mechanical, and pressure applications.