Home > U-Bolts > Aluminum 6061 U-Bolt, 3" Pipe

3" Aluminum 6061 U-Bolt | 3.16" W x 4.26" L | 1/2"-13 Thread

Expert Overview

This 3" Aluminum 6061 U-Bolt provides robust pipe support in corrosive environments. Its lightweight yet strong construction ensures reliable performance and long service life.

StandardDIN 933
MaterialAluminum 6061
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.16"
Inside Length ( B)4.26"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is precision-engineered from Aluminum 6061, a high-strength alloy known for its excellent corrosion resistance and weldability, making it ideal for marine, chemical processing, and food & beverage applications. The dimensions are precisely controlled: an inside width (A) of 3.16 inches and an inside length (B) of 4.26 inches, ensuring a secure fit for 3-inch nominal pipe sizes. It features a durable 1/2"-13 UNC thread, providing ample engagement for standard nuts and washers, and meeting industry standards for structural integrity and load-bearing capacity. The inherent lightweight nature of aluminum reduces installation strain and overall system weight without compromising structural performance.

🧊 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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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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 and the supporting structure. 2. Thread the nuts onto the U-bolt legs, ensuring even initial engagement. 3. Tighten the nuts incrementally and symmetrically to achieve the specified clamping force, avoiding over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 / 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.Verify the inside width (A) of the U-bolt accommodates the outer diameter of the pipe, allowing for any insulation or coating.
Over-tightening the nuts, which can deform the pipe or the U-bolt.Tighten nuts to the manufacturer's recommended torque specification. Utilize a torque wrench for accuracy.
Not using appropriate washers, leading to uneven pressure distribution.Always use flat washers under the nuts to distribute the clamping load evenly across the supporting surface.

Common Applications

  • Marine pipe and conduit support
  • Chemical processing plant piping
  • Food and beverage industry infrastructure

⚠️ Engineering Warnings

  • Ensure the supporting structure is rated to handle the combined load of the pipe, its contents, and the U-bolt assembly.
  • Aluminum 6061 may not be suitable for extreme temperature applications or environments with aggressive chemical exposure without further material compatibility assessment.

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 pipe and conduit support, Chemical processing plant piping, Food and beverage industry infrastructure.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.16"B4.26"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.