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Aluminum 6061 U-Bolt for 3" Pipe | 4.42" Wide

Expert Overview

This robust Aluminum 6061 U-Bolt is specifically designed to secure 3" diameter pipes. Engineered for superior corrosion resistance and lightweight performance, it ensures a reliable and long-lasting connection in demanding environments.

StandardASME B18
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
Inside Width ( A)4.42"
Inside Length ( B)3.46"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-Bolt is fabricated from high-strength Aluminum 6061, renowned for its excellent corrosion resistance, weldability, and moderate mechanical properties. The precise dimensions, with an inside width (A) of 4.42" and an inside length (B) of 3.46", ensure a secure fit around standard 3" nominal pipe. It features a robust 1/2"-13 UNC thread size for secure fastening with compatible nuts and washers. This makes it an ideal choice for applications where weight reduction and environmental durability are critical, such as marine, aerospace, and chemical processing.

🧊 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."
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🏆 Global Innovation Leader
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #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 proper alignment with mounting surfaces. 2. Place the U-bolt over the pipe and through the corresponding mounting holes or bracket. 3. Secure the U-bolt by threading the provided nuts onto the bolt legs, tightening evenly on both sides until the pipe is firmly held.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

Mechanical Properties

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

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the nuts, which can deform the pipe or the U-bolt.Tighten nuts gradually and evenly on both sides to achieve a secure fit without excessive force. Refer to torque specifications if available for the specific application.
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal and actual outer diameter against the U-bolt's inside dimensions (A and B) to ensure a correct fit.

Common Applications

  • Marine hardware and fittings
  • Aerospace structural components
  • Chemical processing equipment
  • Plumbing and conduit support

⚠️ Engineering Warnings

  • Ensure compatibility of fastening hardware (nuts, washers) with the 1/2"-13 thread size.
  • For critical load-bearing applications, consult engineering specifications and consider appropriate load ratings.

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 Aluminum 6061 U-Bolt, 3" Pipe made from?

A: This Aluminum 6061 U-Bolt, 3" Pipe is manufactured from Aluminum 6061.

Q: What are the main applications?

A: Marine hardware and fittings, Aerospace structural components, Chemical processing equipment, Plumbing and conduit support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.42"B3.46"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.