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Brass U-Bolt 3" Pipe - 4.09" ID - 1/2"-13 Thread

Expert Overview

This robust brass U-bolt is engineered for secure and reliable mounting of 3-inch pipes. Its corrosion-resistant properties make it an excellent choice for demanding environments, ensuring long-term structural integrity.

StandardASME B18
MaterialBrass
FinishGalvanized
GradeN/A
Inside Width ( A)4.09"
Inside Length ( B)3.00"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt features a 4.09-inch inside width (A) and a 3.00-inch inside length (B), specifically designed to accommodate standard 3-inch nominal pipe sizes. Constructed from high-grade brass, it offers exceptional corrosion resistance, crucial for applications exposed to moisture, chemicals, or saltwater, preventing galvanic corrosion when paired with compatible materials. The robust 1/2"-13 UNC thread size ensures a secure and substantial fastening capability, suitable for supporting piping systems in marine, chemical processing, and general industrial environments.

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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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🌱 Climate Positive 2030
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 pipe and the mounting surface, ensuring proper alignment. 2. Thread the nuts onto the U-bolt legs until snug against the mounting surface or bracket. 3. Tighten the nuts evenly and progressively to achieve the required clamping force, avoiding overtightening.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size U-bolt, leading to loose or damaged pipe support.Always verify pipe outer diameter and select a U-bolt with an inside width that provides a secure fit, typically a few inches larger than the nominal pipe size.
Over-tightening the nuts, which can deform the pipe or the U-bolt.Tighten nuts evenly in stages, using a torque wrench if specific values are required, to achieve firm support without causing stress on the system.

Common Applications

  • Marine piping and support systems
  • Corrosive chemical fluid conveyance
  • Plumbing and HVAC installations in humid environments

⚠️ Engineering Warnings

  • Ensure compatibility of mating surfaces and hardware to prevent galvanic corrosion, especially in marine or chemical environments.
  • Verify load-bearing requirements and ensure the U-bolt's capacity meets or exceeds the application's demands.

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 and support systems, Corrosive chemical fluid conveyance, Plumbing and HVAC installations in humid environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.09"B3.00"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.