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Brass U-Bolt 3" Pipe - 4.52" W x 5.20" L | Durable Fastener

Expert Overview

Engineered from premium brass, this U-bolt offers superior corrosion resistance for demanding environments. Designed to securely fasten 3" pipes with precise dimensions and robust thread engagement.

StandardASTM A106
MaterialBrass
FinishPlain
GradeN/A
Inside Width ( A)4.52"
Inside Length ( B)5.20"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this brass U-bolt ensures a precise fit for 3" nominal pipe applications. The 4.52" inside width (A) and 5.20" inside length (B) provide ample clearance and secure clamping. Manufactured from high-grade brass, it exhibits excellent resistance to galvanic corrosion, making it ideal for marine, chemical processing, and plumbing systems where dissimilar metals may be present. The 1/2"-13 UNC threads are tapped to strict standards for reliable torque and positive engagement with corresponding nuts.

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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."
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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
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Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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🚀 US Military Approved
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🛡️ 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. Position the U-bolt around the 3" pipe, ensuring the pipe is centered within the curved section. 2. Place the provided washers (if included) and nuts onto the threaded ends of the U-bolt. 3. Tighten the nuts evenly and progressively, alternating between each side, until the pipe is securely held without deformation. Consult torque specifications if available.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Over-tightening the U-bolt, which can deform the pipe or strip the threads.Tighten nuts incrementally and alternately. Use a torque wrench if precise clamping force is critical and consult relevant engineering standards.
Using the incorrect size U-bolt for the pipe, leading to a loose or damaging fit.Verify the nominal pipe size and confirm the U-bolt's inside dimensions (width and length) match the application requirements before installation.

Common Applications

  • Marine hardware and piping
  • Chemical processing equipment support
  • Plumbing and HVAC pipe securing

⚠️ Engineering Warnings

  • Ensure compatibility of brass with surrounding materials to prevent galvanic corrosion.
  • Always use appropriate safety equipment, including eye protection, during installation.

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 hardware and piping, Chemical processing equipment support, Plumbing and HVAC pipe securing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.52"B5.20"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.