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Brass U-Bolt for 4" Pipe - 3.62" Width | Industrial Grade

Expert Overview

This robust Brass U-Bolt is engineered for secure fastening of 4" nominal pipes. Its corrosion-resistant brass construction ensures long-term reliability in demanding environments, ideal for plumbing and marine systems.

StandardASTM A106
MaterialBrass
FinishZinc Plated
GradeN/A
Inside Width ( A)3.62"
Inside Length ( B)3.08"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt is crafted from high-grade brass for exceptional corrosion resistance and durability, especially in marine, chemical processing, and water treatment applications. The inside width (A) measures 3.62 inches, providing a secure fit for 4" nominal pipes, while the inside length (B) is 3.08 inches. Featuring a 1/2"-13 UNC thread size on each leg, it ensures strong mechanical connection when used with compatible nuts and washers. The inherent properties of brass make it resistant to galvanic corrosion, a critical factor in dissimilar metal installations.

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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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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 4" pipe, ensuring snug contact with the pipe surface. 2. Place appropriate washers (not included) onto each threaded leg of the U-bolt. 3. Securely fasten the U-bolt by threading the nuts (not included) onto the legs, tightening evenly to achieve desired clamping force.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 size U-bolt for the pipe diameter.Verify the 'Inside Width (A)' dimension matches the nominal pipe size (NPS) you are securing. For a 4" NPS pipe, an Inside Width of approximately 4.5 inches is typically required, allowing for insulation and clearances. This specific U-bolt has an A dimension of 3.62", suitable for specific applications or potentially a different pipe sizing convention.
Over-tightening the U-bolt, leading to pipe deformation.Tighten the nuts incrementally and evenly on both legs. Use a torque wrench to apply the manufacturer's recommended torque value for the specified thread size and material to avoid crushing the pipe or damaging the U-bolt.
Ignoring potential galvanic corrosion in dissimilar metal installations.When installing brass U-bolts with steel or other metals, use insulating washers or coatings to prevent direct contact and mitigate galvanic corrosion, which can degrade components over time.

Common Applications

  • Plumbing and piping systems
  • Marine and offshore structures
  • Chemical processing plants
  • Water and wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure proper thread engagement when attaching nuts to prevent stripping.
  • Always use appropriate hardware (nuts and washers) rated for the intended load and environment.
  • Verify material compatibility for the specific application to prevent corrosion or degradation.

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, 4" Pipe made from?

A: This Brass U-Bolt, 4" Pipe is manufactured from Brass.

Q: What are the main applications?

A: Plumbing and piping systems, Marine and offshore structures, Chemical processing plants, Water and wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.62"B3.08"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.