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18″ Pre-Cut Galvanized Steel Pipe (3/8″ Dia)

$12.99 on Amazon.com (as of October 18, 2026, 2:46 AM EST) View details ↗

Durable 18″ Pre-Cut Galvanized Steel Pipe – Built for reliability, this Schedule 40 steel pipe features a 3/8″ nominal diameter and a protective galvanized coating to resist corrosion, making it ideal for plumbing, HVAC, and general construction projects. Pre-cut to 18 inches for precise installation, reducing material waste and saving time on-site.

Meets or exceeds ASTM and ANSI standards, ensuring compatibility with most standard fittings and systems. Whether you're working on residential repairs, commercial installations, or industrial applications, this pipe delivers the strength and durability you need. California Proposition 65 Warning: This product contains materials known to the state of California to cause cancer or reproductive harm. For more details, visit www.p65warnings.ca.gov.

Length18″
Nominal Diameter3/8″
MaterialSchedule 40 Steel with Galvanized Coating
Standards ComplianceMeets or exceeds ASTM and ANSI standards
Brand Part NumberQDHM3818
Corrosion ResistanceGalvanized coating for durability
What is the difference between Schedule 40 and other steel pipe schedules?
Schedule 40 is a standard pipe thickness designed for general-purpose use, offering a balance between pressure resistance and cost-effectiveness for most plumbing and construction applications.
Can this pipe be used for outdoor projects?
Yes, the galvanized coating provides corrosion resistance, making it suitable for outdoor use in mild to moderate exposure conditions.
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