Home > U-Bolts > Brass U-Bolt, 3" Pipe

3" Brass U-Bolt | 3.33" Width x 4.13" Length | 1/2"-13 Thread

Expert Overview

This robust 3-inch brass U-bolt offers superior corrosion resistance for demanding environments. Engineered for secure and reliable pipe support, it is ideal for marine, plumbing, and chemical applications.

StandardISO 9001
MaterialBrass
FinishPlain
GradeN/A
Inside Width ( A)3.33"
Inside Length ( B)4.13"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this 3-inch brass U-bolt ensures exceptional performance and longevity. The U-bolt features an inside width (A) of 3.33 inches and an inside length (B) of 4.13 inches, accommodating a 3-inch nominal pipe size. Constructed from high-grade brass, it exhibits excellent resistance to corrosion, especially in saltwater or chemically aggressive atmospheres. The 1/2"-13 UNC thread provides a secure and durable fastening point. This U-bolt is designed for static load applications where non-magnetic properties are beneficial.

🧊 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
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 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 it rests securely within the desired location. 2. Place the accompanying support plate or saddle (if applicable) over the U-bolt threads. 3. Thread the nuts onto the U-bolt arms and tighten them evenly, ensuring a snug fit without over-torquing, to secure the pipe.

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 standard steel U-bolts in corrosive environments.Always select brass U-bolts for applications exposed to saltwater, chemicals, or high humidity to prevent premature corrosion and failure.
Over-tightening the nuts, which can deform the pipe or U-bolt.Tighten nuts evenly and firmly, but avoid excessive force. Use a torque wrench if precise load application is critical.

Common Applications

  • Marine pipe support
  • Plumbing and HVAC systems
  • Chemical processing equipment
  • Electrical conduit support

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the specific load and environmental conditions.
  • Periodically inspect for signs of corrosion or wear, especially in harsh environments.

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, Plumbing and HVAC systems, Chemical processing equipment, Electrical conduit support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.33"B4.13"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.