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3" Brass U-Bolt - Corrosion Resistant Pipe Support

Expert Overview

Engineered for robust pipe support in corrosive atmospheres, this 3" brass U-bolt offers exceptional longevity and reliable performance. Its precise dimensions ensure a secure fit for standard piping systems.

StandardASME B18
MaterialBrass
FinishGalvanized
GradeN/A
Inside Width ( A)4.05"
Inside Length ( B)3.55"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is meticulously crafted from high-grade brass, offering superior corrosion and chemical resistance, making it ideal for marine, chemical processing, and plumbing applications where standard steel fasteners would degrade. The U-bolt features an inside width (A) of 4.05 inches and an inside length (B) of 3.55 inches, providing ample clearance for a 3-inch nominal pipe. The heavy-duty 1/2"-13 UNC thread size ensures a strong, secure connection when paired with appropriate nuts and washers, offering exceptional load-bearing capacity for critical infrastructure.

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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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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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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 3" pipe, ensuring it straddles the pipe evenly. 2. Place the pipe and U-bolt assembly onto the mounting surface or conduit hanger. 3. Secure the U-bolt by threading the 1/2"-13 nuts onto the U-bolt legs, tightening alternately to achieve uniform pressure and a stable fit.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening the nuts, which can deform the pipe or the U-bolt.Tighten nuts until snug and secure, applying torque incrementally and evenly. Refer to pipe and hanger manufacturer specifications for recommended torque values.
Using a U-bolt of incorrect dimensions for the pipe size or mounting application.Always verify the pipe's nominal size and the U-bolt's internal dimensions (width and length) to ensure proper fit and function.

Common Applications

  • Marine piping systems
  • Chemical processing plants
  • Corrosive atmospheric plumbing
  • Conduit and pipe securing in humid environments

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with brass U-bolt to prevent galvanic corrosion.
  • Do not exceed the recommended load capacity for this U-bolt; consult engineering specifications for safe working loads.

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 plants, Corrosive atmospheric plumbing, Conduit and pipe securing in humid environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.05"B3.55"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.