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Aluminum 6061 U-Bolt 3" Pipe | 1.21" W x 2.25" L

Expert Overview

Engineered for robust pipe support, this Aluminum 6061 U-Bolt offers superior corrosion resistance and lightweight strength. Designed to precisely fit 3" nominal pipe, ensuring secure and reliable mounting in diverse environments.

StandardASME B18
MaterialAluminum 6061
FinishGalvanized
GradeN/A
Inside Width ( A)1.21"
Inside Length ( B)2.25"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this U-bolt is fabricated from Aluminum 6061, a precipitation-hardened alloy known for its excellent strength-to-weight ratio, corrosion resistance, and weldability. Featuring an inside width (A) of 1.21 inches and an inside length (B) of 2.25 inches, it is engineered to accommodate standard 3-inch nominal pipe diameters. The threaded ends are precisely machined to a 1/2"-13 UNC thread size, ensuring secure fastening with compatible nuts and washers. This material selection and dimensional accuracy make it ideal for marine, aerospace, and general industrial applications where weight and environmental resistance are critical factors.

🧊 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
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🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
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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
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. Position the U-bolt around the 3" nominal pipe, ensuring it sits flush against the mounting surface. 2. Thread the provided nuts onto the U-bolt ends until snug, applying even pressure to both sides. 3. Tighten the nuts securely to achieve the required clamping force, but avoid overtightening to prevent pipe deformation.

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
Using the wrong size U-bolt for the pipe diameter.Verify the nominal pipe size and ensure the U-bolt's inside dimensions are appropriate for a snug fit without excessive play.
Uneven tightening of the nuts, leading to off-center stress on the pipe.Tighten nuts incrementally and alternately on each leg of the U-bolt to ensure uniform pressure distribution.

Common Applications

  • Marine hardware and rigging
  • Aerospace structural components
  • Lightweight industrial pipe support systems
  • Custom vehicle fabrication

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (nuts, washers) for thread size and material.
  • Do not exceed the recommended torque specifications for the chosen nuts to prevent thread stripping or material damage.

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 rigging, Aerospace structural components, Lightweight industrial pipe support systems, Custom vehicle fabrication.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.21"B2.25"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.