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Brass U-Bolt for 3" Pipe | 3" Pipe Clamp | Corrosion Resistant

Expert Overview

This heavy-duty brass U-bolt is engineered for robust and corrosion-resistant support of 3-inch diameter piping. Its superior material composition ensures longevity in demanding industrial settings.

StandardASME B18
MaterialBrass
FinishPassivated
GradeN/A
Inside Width ( A)4.68"
Inside Length ( B)6.54"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this brass U-bolt is meticulously crafted to provide secure and reliable pipe clamping. With an inside width (A) of 4.68 inches and an inside length (B) of 6.54 inches, it is specifically designed to accommodate standard 3-inch nominal pipe sizes. The 1/2"-13 UNC thread size ensures robust engagement with accompanying nuts and washers, facilitating a strong mechanical connection. Constructed from naval brass (ASTM B16/B21) or a comparable dezincification-resistant alloy, it offers exceptional resistance to corrosion in marine, chemical processing, and other aggressive environments, ensuring long-term structural integrity.

🧊 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
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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. Position the U-bolt around the 3" pipe, ensuring it rests securely on the supporting structure. 2. Thread the nuts onto the U-bolt legs, tightening them evenly to achieve firm contact with the supporting surface. 3. Further tighten the nuts to the required torque specification, ensuring the pipe is held in place without deformation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 undersized or oversized U-bolts for the pipe diameter.Always verify the U-bolt's inside dimensions (width and length) against the specific pipe's outside diameter and the intended clamping surface.
Over-tightening or under-tightening the nuts.Tighten nuts evenly and to the manufacturer's recommended torque specifications to prevent pipe damage or insufficient clamping force.
Not considering the environment when selecting material.For corrosive environments, opt for materials like brass, stainless steel, or specialized alloys that resist degradation.

Common Applications

  • Marine piping systems
  • Chemical processing plants
  • Plumbing in coastal or humid environments
  • Offshore oil and gas platforms

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are also made of brass or a compatible corrosion-resistant material.
  • Verify that the supporting structure is adequate to bear the weight and stress imposed by the clamped pipe and U-bolt assembly.

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 in coastal or humid environments, Offshore oil and gas platforms.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.68"B6.54"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.