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3" Brass U-Bolt - Corrosion Resistant Pipe Support

Expert Overview

This robust brass U-bolt provides secure and corrosion-resistant support for 3-inch diameter piping systems. Crafted for durability and long-term performance, it ensures system integrity.

StandardASME B18
MaterialBrass
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.64"
Inside Length ( B)4.18"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt features a nominal pipe size of 3 inches, with an inside width (A) of 3.64 inches and an inside length (B) of 4.18 inches. Constructed from high-grade brass, it offers superior resistance to corrosion and chemical attack, making it ideal for marine, chemical processing, and plumbing applications where longevity and material integrity are paramount. The 1/2"-13 UNC threads ensure a secure and reliable fastening with compatible nuts and washers.

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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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🏆 Global Innovation Leader
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Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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🚀 US Military Approved
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🛡️ 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 straddles the support structure. 2. Thread the nuts onto the U-bolt legs, initially by hand to ensure proper engagement. 3. Tighten the nuts evenly and securely using appropriate wrenches to achieve firm contact with the support surface without over-torquing.

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

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 pipe's outer diameter and select a U-bolt with an inside width that properly accommodates it, typically with a slight clearance for ease of installation.
Inadequate tightening of the U-bolt nuts.Ensure nuts are tightened firmly and evenly to prevent pipe movement or vibration, but avoid excessive force that could deform the pipe or support.

Common Applications

  • Marine piping systems
  • Chemical processing lines
  • Plumbing and HVAC installations
  • Exhaust systems

⚠️ Engineering Warnings

  • Ensure compatibility of all fasteners (nuts and washers) with the brass U-bolt material to prevent galvanic corrosion.
  • Do not exceed the load-bearing capacity of the U-bolt or its mounting hardware. Consult engineering specifications for maximum load limits.

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, Plumbing and HVAC installations, Exhaust systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.64"B4.18"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.