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Aluminum 6061 U-Bolt 4" Pipe | 3.9" W x 4.05" L | 1/2"-13 Thread

Expert Overview

This Aluminum 6061 U-Bolt is engineered for secure fastening of 4-inch diameter pipes. Its robust construction offers superior corrosion resistance and a lightweight profile, ideal for demanding environments.

StandardISO 9001
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
Inside Width ( A)3.90"
Inside Length ( B)4.05"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is precision-machined from high-strength Aluminum 6061-T6 alloy, renowned for its excellent corrosion resistance, particularly in marine and coastal environments. It features an Inside Width (A) of 3.90 inches and an Inside Length (B) of 4.05 inches, specifically designed to accommodate standard 4-inch nominal pipe sizes. The 1/2"-13 UNC (Unified National Coarse) thread size ensures a strong mechanical connection when used with compatible nuts and washers. The inherent lightweight nature of aluminum reduces overall system weight without compromising structural integrity, making it suitable for applications where weight is a critical consideration.

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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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Certified:ISO 9001, ISO 14001
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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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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🌱 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 4" pipe, ensuring it is centered. 2. Place the pipe and U-bolt assembly against the mounting surface. 3. Secure the U-bolt by threading the provided nuts onto the bolt ends, tightening evenly and to the specified torque. 4. Verify the pipe is held firmly and does not shift.

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

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.Use a torque wrench to tighten nuts to the manufacturer's recommended torque specification for the thread size and material.
Using the wrong size U-bolt for the pipe diameter.Always confirm the nominal pipe size and verify the U-bolt's Inside Width (A) and Inside Length (B) dimensions match the pipe and application requirements.
Not using washers, leading to uneven pressure distribution and potential damage to surfaces.Always use appropriate flat washers under the nuts to distribute the clamping force and prevent surface damage.

Common Applications

  • Marine and offshore pipe support
  • HVAC ducting and conduit mounting
  • Lightweight structural framing
  • General pipe clamping in corrosive environments

⚠️ Engineering Warnings

  • Ensure compatibility of thread size and pitch with securing hardware (nuts, washers).
  • Do not exceed the maximum load capacity for this U-bolt, consult engineering data if necessary.
  • Aluminum 6061 is susceptible to galvanic corrosion when in direct contact with dissimilar metals in a corrosive electrolyte; use appropriate insulating methods if necessary.

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, 4" Pipe made from?

A: This Aluminum 6061 U-Bolt, 4" Pipe is manufactured from Aluminum 6061.

Q: What are the main applications?

A: Marine and offshore pipe support, HVAC ducting and conduit mounting, Lightweight structural framing, General pipe clamping in corrosive environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.90"B4.05"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.