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

3" Brass U-Bolt | 3.67" Width x 5.50" Length | 1/2"-13 Thread

Expert Overview

This 3-inch Brass U-Bolt provides robust and corrosion-resistant support for piping systems. Engineered for durability and longevity, it ensures secure fastening in demanding environments.

StandardDIN 933
MaterialBrass
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.67"
Inside Length ( B)5.50"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is constructed from high-grade brass for superior corrosion resistance, ideal for marine, chemical, and potable water applications. It features an inside width (A) of 3.67 inches and an inside length (B) of 5.50 inches, designed to accommodate standard 3-inch nominal pipe sizes. The 1/2"-13 UNC thread size ensures a secure and reliable connection for the accompanying nuts. This material choice prevents galvanic corrosion when in contact with certain metals and offers excellent resistance to a wide range of chemicals.

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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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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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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 is centered. 2. Place the U-bolt over the mounting surface or conduit saddle. 3. Thread the nuts onto the U-bolt legs and tighten securely and evenly to the specified torque, ensuring the pipe is firmly supported.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 inside width and length against the nominal pipe size and required clearance.
Overtightening or undertightening the nuts, leading to pipe damage or inadequate support.Utilize a torque wrench to tighten nuts to manufacturer-recommended specifications for the pipe and support system.

Common Applications

  • Marine and offshore piping systems
  • Chemical processing and transfer lines
  • Potable water and plumbing installations
  • Conduit and cable tray support

⚠️ Engineering Warnings

  • Ensure compatibility of brass with the fluid or environment being conveyed to prevent premature degradation.
  • Do not exceed the recommended load capacity of the U-bolt and associated mounting 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 and offshore piping systems, Chemical processing and transfer lines, Potable water and plumbing installations, Conduit and cable tray support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.67"B5.50"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.