Fire Sprinkler Pipe
Fire Sprinkler Pipe You Can Count On – UL/FM Approved & NFPA-Compliant
MB Metals is a master distributor of fire sprinkler pipe, offering a full range of UL-listed and FM-approved steel pipe solutions. Designed for performance, safety, and reliability, our fire protection piping meets all NFPA 13 and 14 standards and is available in a variety of finishes to suit your project’s needs.
We supply:
- Black, red, galvanized, and clear-coated finishes
- Plain end or roll grooved (Victaulic-compatible)
- Custom lengths available
- Fast delivery and certified performance
Whether you’re a contractor, fire protection engineer, or distributor, we’ll supply the fire sprinkler pipe that performs when it matters most — backed by more than 25 years of steel distribution experience.
Product Overview – Fire Sprinkler Pipe Specifications
Available Grades & Standards:
- ASTM A53 / A135 / A795
- Grade A, Type E
- Schedule 10, 40, 7
- Working Pressure: 300 PSI
- UL Certified & FM Approved
- Suitable for roll grooving, threading, or welding
- Tight mill tolerances and corrosion-resistant steel
Coatings & Finishes:
- Red, black, clear varnish, and galvanized options
- Superior weldability with clear organic coating
- End Finishes:
- Plain end
- Beveled (30° with root face)
- Threaded ends (ANSI B1.20.1)
- Grooved (Victaulic-spec)
- Couplings per Specification A865
Performance Tests:
- Bending (cold):
- 90° standard at 12× pipe OD
- 180° close coiling at 8× pipe OD
- Flattening test: required unless waived in PO
- Marking: Every pipe length includes manufacturer, heat no., UL/FM approvals, size, pressure rating, and more
Manufactured to strict ASTM standards with consistent mechanical properties.
Tensile Requirements:
- Tensile Strength: min. 48,000 psi
- Yield Strength: min. 30,000 psi
- Elongation: per ASTM A53 Table 2
SPRINKLER PIPE Gallery
Let’s Get You the Right Steel Product – Fast.
Whether you know exactly what you need or you’re comparing specs, our team is here to help. Get a fast quote, check availability, or ask a technical question — and we’ll respond promptly.