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

4" Brass U-Bolt | 4.71" Width x 6.75" Length | 1/2"-13 Thread

Expert Overview

This robust 4-inch brass U-bolt provides secure and corrosion-resistant support for piping systems. Precisely manufactured to exacting standards, it ensures long-term integrity in demanding environments.

StandardDIN 933
MaterialBrass
FinishPassivated
GradeN/A
Inside Width ( A)4.71"
Inside Length ( B)6.75"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this brass U-bolt is designed to accommodate pipes with an outer diameter suitable for a 4-inch nominal size. Its inside width (A) measures 4.71 inches, and the inside length (B) is 6.75 inches, providing ample clearance and secure clamping. The threads are a standard 1/2"-13 UNC, ensuring compatibility with common fastening hardware. Constructed from high-quality brass, this U-bolt offers superior resistance to corrosion, making it an excellent choice for applications involving water, chemicals, or humid conditions where rust is a concern. Its material properties ensure durability and a long service life, contributing to the overall stability of the supported infrastructure.

🧊 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."
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🏆 Global Innovation Leader
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🌱 100% Renewable Energy HQ
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, ensuring it is centered and perpendicular to the pipe's axis. 2. Place the pipe and U-bolt assembly against the mounting surface or conduit. 3. Insert the threaded legs of the U-bolt through the appropriate holes in the mounting bracket or saddle. Secure with washers and nuts, tightening them evenly on both sides to achieve firm support without deforming the pipe.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Over-tightening nuts, which can crush the pipe or strip the threads.Tighten nuts gradually and evenly on both sides, stopping when the pipe is held firmly but not excessively compressed.
Using the wrong size U-bolt for the pipe, leading to inadequate support or damage.Always verify the pipe's actual outside diameter and select a U-bolt with appropriate inside dimensions (width and length) for a secure fit.

Common Applications

  • Plumbing and water systems
  • Chemical processing lines
  • Marine and offshore environments

⚠️ Engineering Warnings

  • Ensure the U-bolt material is compatible with the fluid or environment to prevent premature corrosion.
  • Verify the load-bearing capacity of the U-bolt and mounting hardware is sufficient for the application.

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 water systems, Chemical processing lines, Marine and offshore environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.71"B6.75"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.