Home > U-Bolts > Aluminum 6061 U-Bolt, 4" Pipe

Aluminum 6061 U-Bolt for 4" Pipe | 4.89" Width

Expert Overview

Engineered from robust Aluminum 6061, this U-bolt secures 4" nominal pipes with superior corrosion resistance. Its precise dimensions ensure a tight, reliable fit in demanding environments.

StandardASME B18
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
Inside Width ( A)4.89"
Inside Length ( B)7.94"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this Aluminum 6061 U-bolt is designed for secure pipe clamping in corrosive or weight-sensitive environments. Featuring an Inside Width (A) of 4.89 inches and an Inside Length (B) of 7.94 inches, it is engineered to accommodate 4" nominal pipe diameters with a precise fit. The robust 1/2"-13 UNC thread size provides ample strength for demanding applications. Aluminum 6061 offers an excellent balance of strength, machinability, and exceptional resistance to seawater and industrial atmospheric corrosion, making it ideal for marine, chemical processing, and outdoor structural support.

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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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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 4" pipe, ensuring it sits flush against the mounting surface. 2. Thread the accompanying nuts onto the U-bolt legs, finger-tight to start. 3. Use a calibrated torque wrench to tighten the nuts in an alternating, cross-pattern to the recommended torque specification for Aluminum 6061 fasteners, typically 75-85% of the yield strength torque value, to prevent over-stressing the material.

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 excessive force during tightening, leading to thread stripping or deformation of the aluminum.Utilize a calibrated torque wrench and adhere to recommended torque values for Aluminum 6061 to ensure secure fastening without material compromise.
Incorrectly sizing the U-bolt for the pipe, resulting in a loose or over-tight fit.Verify the nominal pipe size (4") and confirm the U-bolt's inside dimensions (4.89" width, 7.94" length) match the pipe and mounting requirements.

Common Applications

  • Marine vessel pipe support
  • Chemical processing equipment mounting
  • Outdoor structural pipe anchoring
  • Lightweight industrial conduit securing

⚠️ Engineering Warnings

  • Ensure compatibility with all mating hardware (nuts and washers) for optimal performance and longevity.
  • Aluminum 6061 is susceptible to galvanic corrosion when in direct contact with dissimilar metals in a corrosive environment; use appropriate insulating materials 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 vessel pipe support, Chemical processing equipment mounting, Outdoor structural pipe anchoring, Lightweight industrial conduit securing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.89"B7.94"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.