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3" Brass U-Bolt | 1/2"-13 Thread | Corrosion-Resistant

Expert Overview

Engineered for demanding environments, this 3" Brass U-Bolt offers exceptional corrosion resistance. Featuring a 1/2"-13 thread, it provides secure fastening for pipes in marine, chemical processing, and sensitive industrial settings.

StandardISO 9001
MaterialBrass
FinishAnodized
GradeN/A
Inside Width ( A)2.91"
Inside Length ( B)3.43"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 3" Brass U-Bolt is manufactured from high-grade brass, ensuring superior corrosion and dezincification resistance, critical for marine, chemical, and potable water systems. With an inside width (A) of 2.91 inches and an inside length (B) of 3.43 inches, it is precisely designed to accommodate standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC thread provides substantial load-bearing capacity and a secure, vibration-resistant connection, meeting stringent industry standards for durability and performance in corrosive atmospheres.

🧊 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
Green Manufacturing
🌱 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 pipe, ensuring the pipe is correctly seated within the U-bolt's curvature. 2. Align the threaded legs of the U-bolt with the mounting surface or saddle. 3. Secure the U-bolt by tightening the corresponding nuts evenly against the mounting surface or saddle, ensuring consistent pressure.

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

Chemical Composition

Copper (Cu)60.0 - 63.0%
Zinc (Zn)Balance
Lead (Pb)2.5 - 3.7%

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.Always verify the nominal pipe size and select a U-bolt with an inside width that closely matches the pipe's outer diameter (e.g., 2.91" for a 3" nominal pipe).
Over-tightening or uneven tightening of the nuts.Tighten nuts gradually and evenly to ensure uniform clamping pressure and prevent pipe deformation or damage to the mounting surface.
Using steel U-bolts in corrosive environments.For marine, chemical, or potable water applications, always specify brass or other corrosion-resistant materials to prevent premature failure.

Common Applications

  • Marine pipe support
  • Chemical processing systems
  • Potable water plumbing
  • Industrial fluid conveyance

⚠️ Engineering Warnings

  • Ensure compatibility of brass with the fluid being conveyed and the surrounding environment to prevent galvanic corrosion.
  • Do not exceed the rated load capacity of the U-bolt and associated hardware.

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 Brass U-Bolt, 3" Pipe made from?

A: This Brass U-Bolt, 3" Pipe is manufactured from Brass.

Q: What are the main applications?

A: Marine pipe support, Chemical processing systems, Potable water plumbing, Industrial fluid conveyance.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.91"B3.43"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.