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Aluminum 6061 U-Bolt | 3" Pipe Clamp | 3.71" W x 7.86" L

Expert Overview

This robust Aluminum 6061 U-Bolt is engineered for the secure fastening of 3-inch diameter piping. Offering superior corrosion resistance and a lightweight profile, it ensures reliable structural support in demanding environments.

StandardDIN 933
MaterialAluminum 6061
FinishZinc Plated
GradeN/A
Inside Width ( A)3.71"
Inside Length ( B)7.86"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-Bolt is crafted from high-strength Aluminum 6061, renowned for its excellent corrosion resistance and workability, making it ideal for marine, chemical, and outdoor applications. The internal dimensions are precisely set at 3.71 inches (A) for the inside width and 7.86 inches (B) for the inside length, ensuring a snug and secure fit around a 3-inch nominal pipe size. It features a 1/2"-13 UNC thread size, compatible with standard nuts and washers, providing a dependable connection point for supporting or securing pipes. This specification guarantees consistent performance and longevity in diverse environmental conditions.

🧊 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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🌱 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-inch pipe, ensuring it is centered. 2. Place the provided or appropriate plate (if applicable) on the opposite side of the pipe from the U-bolt legs. 3. Thread the nuts onto the U-bolt legs, tightening them alternately and evenly to achieve the desired clamping force. Avoid overtightening.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using a U-bolt with insufficient inside width for the pipe's outer diameter.Verify the pipe's actual outer diameter and ensure the U-bolt's inside width (A) is at least 0.25 inches larger to accommodate clamping and potential insulation.
Overtightening the nuts, leading to deformation of the pipe or U-bolt.Tighten nuts progressively and evenly. Refer to torque specifications if available, or tighten until snug and the pipe is securely held without visible distortion.

Common Applications

  • Marine pipe support and anchoring
  • Chemical processing equipment installation
  • Lightweight structural framing and bracing

⚠️ Engineering Warnings

  • Ensure compatibility of thread size (1/2"-13) with mating hardware.
  • Aluminum 6061 may be susceptible to galvanic corrosion when in direct contact with dissimilar metals in certain environments; consider isolation 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, 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 support and anchoring, Chemical processing equipment installation, Lightweight structural framing and bracing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.71"B7.86"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.