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3" Brass U-Bolt (1/2"-13 Thread) - Corrosion Resistant

Expert Overview

Engineered for superior performance and longevity, this 3" Brass U-Bolt is designed to securely anchor pipes in demanding industrial settings. Its robust brass construction ensures excellent corrosion resistance for critical applications.

StandardISO 9001
MaterialBrass
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.39"
Inside Length ( B)4.08"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this Brass U-Bolt is meticulously manufactured to meet stringent engineering requirements for pipe support and fastening. The 1.39" inside width (A) and 4.08" inside length (B) are precisely engineered to accommodate standard 3" nominal pipe sizes. The robust 1/2"-13 UNC thread size provides substantial tensile strength and reliable clamping force, ensuring a secure connection. Fabricated from high-grade brass, it offers exceptional resistance to galvanic corrosion and chemical degradation, making it an ideal choice for marine, chemical processing, and other aggressive environments where standard steel may fail prematurely.

🧊 Download 3D CAD Model (.STEP)

Verified Global OEM Partners

This component strictly adheres to the tolerances, material specifications, and quality benchmarks set by the world's leading industrial manufacturers.

3MEst. 1902
USA🇺🇸
"Science applied to life."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ Lifetime Return Policy
Green Manufacturing
🌱 Sustainable Logistics
Certified:ISO 9001 Compliant

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:N/A

Installation Procedure

1. Place the U-bolt around the pipe, ensuring it is centered on the desired support point. 2. Position the U-bolt against the mounting surface or conduit clip. 3. Thread the accompanying nuts onto the U-bolt legs and tighten evenly to secure the pipe without over-compressing it.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

Mechanical Properties

Tensile StrengthStandard Commercial Spec
Yield StrengthStandard Commercial Spec
HardnessVaries by specific batch

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

Temperature & Environment Rating

Min Operating Temp
-20°F (-29°C)
Max Continuous Temp
400°F (204°C)
Thermal Expansion
Typical for Material Class

Weight Reference Table

Size / TypeEst. Weight (lbs/100)Shipping Weight (kg)
StandardVaries by dimensionContact Sales

Corrosion Resistance Guide

EnvironmentRating
Indoor / DryExcellent
Outdoor / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal size and consult the U-bolt's inside width (A) to ensure a proper fit.
Over-tightening the nuts, which can deform the pipe or U-bolt.Tighten nuts evenly until snug, providing sufficient clamping force without excessive pressure.

Common Applications

  • Marine pipe and conduit support
  • Chemical processing plant piping
  • Plumbing in corrosive environments
  • Electrical conduit fastening

⚠️ Engineering Warnings

  • Ensure material compatibility with the fluid or environment to prevent premature corrosion.
  • Verify thread engagement and tightness for secure pipe support; do not overtighten.

Alternative Products to Consider

Premium U-Bolts equivalentHigher corrosion resistance (316 SS)
Economy U-Bolts optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Brass U-Bolt, 3" Pipe made from?

A: This Brass U-Bolt, 3" Pipe is manufactured from Brass.

Q: What are the main applications?

A: Marine pipe and conduit support, Chemical processing plant piping, Plumbing in corrosive environments, Electrical conduit fastening.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.39"B4.08"C1-1/4"Thread: 1/2"-13 | Both Legs2 Hex Nuts Included

Torque Specifications

⚡ UNIT CONVERTER

Conversion factor: 1 ft-lb ≈ 1.356 Nm

Verified Compatibility

StatusMating ComponentStandardTorque SpecEngineering Notes
No verified compatibility data found for this component.