Home > U-Bolts > Brass U-Bolt, 4" Pipe

4" Brass U-Bolt | 2.51" Width | 1/2"-13 Thread | Corrosion Resistant

Expert Overview

This robust 4" Brass U-Bolt is engineered for reliable pipe support in demanding environments. Crafted from high-quality brass, it offers exceptional corrosion resistance and a secure, stable mounting solution.

StandardASTM A106
MaterialBrass
FinishPlain
GradeN/A
Inside Width ( A)2.51"
Inside Length ( B)2.03"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this brass U-bolt ensures optimal fit and performance for 4" nominal pipe sizes. The inside width (A) measures 2.51 inches, and the inside length (B) is 2.03 inches, providing ample clearance for standard pipe insulation. Featuring a 1/2"-13 UNC thread size, it offers substantial load-bearing capacity. The inherent properties of brass, including its excellent resistance to corrosion from water, saltwater, and many chemicals, make this U-bolt ideal for marine, plumbing, and chemical processing applications where material degradation is a concern.

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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."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ 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. Place the U-bolt around the pipe and through the mounting surface (e.g., mounting saddle or bracket). 2. Thread the nuts onto the U-bolt legs, ensuring even engagement on both sides. 3. Tighten the nuts progressively and evenly to achieve secure pipe support without overtightening, which could deform the pipe or mounting surface.

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 / 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.Always confirm the nominal pipe size and verify the U-bolt's inside dimensions (width and length) against the pipe's outer diameter and any insulation.
Overtightening the nuts.Tighten nuts evenly until snug and the pipe is securely held. Overtightening can damage the pipe, the U-bolt threads, or the mounting structure.
Using a U-bolt material not suitable for the environment.Select U-bolts made from materials like brass or stainless steel when installing in corrosive atmospheres (e.g., marine, chemical plants) to prevent premature failure.

Common Applications

  • Marine piping and support systems
  • Plumbing and water systems
  • Chemical processing pipelines
  • Oil and gas infrastructure
  • General industrial pipe securing

⚠️ Engineering Warnings

  • Ensure compatibility of brass with all fluids and environmental conditions to prevent galvanic corrosion if in contact with dissimilar metals.
  • Do not exceed the recommended load capacity for this U-bolt; consult engineering specifications for load ratings.

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: Marine piping and support systems, Plumbing and water systems, Chemical processing pipelines, Oil and gas infrastructure, General industrial pipe securing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.51"B2.03"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.