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Brass U-Bolt for 3" Pipe | 4.65" W x 7.84" L | 1/2"-13 Thread

Expert Overview

Engineered for superior pipe support, this 3" Brass U-Bolt offers exceptional corrosion resistance. Its robust design ensures secure fastening and long-term reliability in critical applications.

StandardDIN 933
MaterialBrass
FinishAnodized
GradeN/A
Inside Width ( A)4.65"
Inside Length ( B)7.84"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this Brass U-Bolt is specifically designed for the secure and reliable fastening of 3-inch nominal diameter piping. The inside width (A) measures 4.65 inches, providing ample clearance for standard 3" pipe O.D. (approximately 3.50"). The inside length (B) is precisely 7.84 inches, accommodating a variety of mounting configurations and ensuring robust support. Featuring a 1/2"-13 UNC thread size, it allows for secure attachment with standard nuts and washers. Manufactured from high-grade brass, this U-bolt exhibits excellent resistance to galvanic corrosion, making it ideal for marine, chemical processing, and plumbing systems where moisture and corrosive agents are prevalent. The material's inherent strength and durability guarantee sustained performance under operational stress.

🧊 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."
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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. Select appropriate nuts and washers compatible with the 1/2"-13 thread. 2. Position the U-bolt around the 3" pipe, ensuring it is centrally located for balanced support. 3. Thread nuts onto the U-bolt legs, tightening them evenly and progressively to secure the pipe to the mounting surface. 4. Verify that the pipe is held firmly without excessive deformation of the U-bolt or pipe.

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 incorrect thread size nuts, leading to loose or insecure fastening.Always use 1/2"-13 UNC nuts and washers that are specifically designed for U-bolt applications.
Over-tightening the U-bolt, which can damage the pipe or the U-bolt itself.Tighten nuts incrementally and evenly until the pipe is securely held. Consult application-specific torque recommendations if available.
Selecting a U-bolt with insufficient inside width or length for the specific pipe and mounting scenario.Always confirm the pipe's outer diameter and the mounting requirements to ensure the U-bolt's dimensions (4.65" width, 7.84" length) are adequate.

Common Applications

  • Marine piping systems
  • Chemical processing plants
  • Plumbing and HVAC installations
  • Food and beverage processing lines
  • Water treatment facilities

⚠️ Engineering Warnings

  • Ensure compatibility with the specific fluid or gas being conveyed to avoid material degradation.
  • Do not exceed the material's load-bearing capacity or the thread's tensile strength.
  • Periodically inspect for signs of corrosion or wear, especially in harsh environmental conditions.

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, Plumbing and HVAC installations, Food and beverage processing lines, Water treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.65"B7.84"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.