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

Brass U-Bolt 4" Pipe - Corrosion Resistant

Expert Overview

This robust brass U-bolt is engineered for secure pipe support in corrosive environments. Its 4" nominal pipe size capacity and durable brass construction ensure long-term reliability and resistance to rust and chemical degradation.

StandardISO 9001
MaterialBrass
FinishPlain
GradeN/A
Inside Width ( A)3.49"
Inside Length ( B)3.49"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this 4" nominal pipe size brass U-bolt features an inside width (A) of 3.49 inches and an inside length (B) of 3.49 inches, accommodating standard pipe diameters. Manufactured from high-quality brass (typically UNS C36000 free-machining brass), it offers exceptional resistance to corrosion, particularly in marine, chemical processing, and wastewater applications where galvanic corrosion is a concern. The 1/2"-13 UNC thread size provides robust clamping force, ensuring secure mounting to a variety of structural elements. This U-bolt is ideal for applications requiring non-sparking properties and excellent durability against saltwater and aggressive chemicals.

🧊 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."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ 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. Position the U-bolt around the 4" nominal pipe, ensuring the pipe is properly seated within the U-bolt's curve. 2. Place the included backing plate (if applicable) and thread the nuts onto the U-bolt legs. 3. Tighten the nuts evenly and progressively to achieve the required clamping force, ensuring the pipe remains securely fastened without deformation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 for the application's load requirements.Verify the 1/2"-13 thread size is adequate for the anticipated static and dynamic loads. Consult load charts if necessary.
Over-tightening the nuts, leading to pipe deformation or U-bolt fatigue.Tighten nuts to the manufacturer's recommended torque specification or until a firm, secure hold is achieved without visible distortion of the pipe or U-bolt.
Installing in an environment where brass is susceptible to dezincification or stress corrosion cracking.While brass offers good corrosion resistance, understand its limitations. For extremely aggressive chemical or high-stress environments, consider stainless steel or other alloys.

Common Applications

  • Marine piping systems
  • Chemical processing plants
  • Wastewater treatment facilities
  • Plumbing in corrosive atmospheres

⚠️ Engineering Warnings

  • Ensure compatibility of brass with the specific chemicals in the application.
  • Do not exceed the stated load capacity of the U-bolt and its associated hardware.
  • Always use appropriate personal protective equipment (PPE) during installation.

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 systems, Chemical processing plants, Wastewater treatment facilities, Plumbing in corrosive atmospheres.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.49"B3.49"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.