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

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

Expert Overview

Engineered for superior corrosion resistance, this 3-inch brass U-bolt ensures secure and reliable pipe support. Its robust construction and precise dimensions make it ideal for demanding industrial applications.

StandardISO 9001
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Width ( A)1.40"
Inside Length ( B)4.39"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 3-inch brass U-bolt is manufactured from high-grade brass alloy, offering exceptional resistance to galvanic corrosion and a wide range of chemicals. The precise dimensions include an inside width (A) of 1.40 inches and an inside length (B) of 4.39 inches, perfectly accommodating standard 3-inch Schedule 40 or 80 pipes. The 1/2"-13 UNC thread size ensures robust fastening capabilities, making it suitable for marine, chemical processing, and water treatment systems where longevity and material integrity are paramount.

🧊 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 on a compatible mounting surface or support. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Use appropriate wrenches to tighten the nuts evenly, applying the recommended torque specification for the thread size and application to secure the pipe without overtightening.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong material for corrosive environments.Always select brass or other corrosion-resistant materials like stainless steel for applications involving saltwater, chemicals, or high humidity.
Overtightening U-bolt nuts, causing pipe deformation.Tighten nuts gradually and evenly. Refer to application-specific torque charts or consult with a structural engineer if unsure, to prevent pipe damage.

Common Applications

  • Marine piping systems
  • Chemical processing lines
  • Water and wastewater treatment
  • Plumbing in coastal areas

⚠️ Engineering Warnings

  • Ensure compatibility of brass with the fluid being transported to avoid chemical reactions.
  • Verify that the U-bolt's load capacity meets or exceeds the weight of the pipe and its contents.

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 piping systems, Chemical processing lines, Water and wastewater treatment, Plumbing in coastal areas.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.40"B4.39"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.