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

4" Brass U-Bolt | Pipe Support | 1/2"-13 Thread | Corrosion Resistant

Expert Overview

This 4-inch brass U-bolt provides superior corrosion resistance for critical pipe support applications. Engineered for a secure fit, it ensures long-term structural integrity in demanding environments.

StandardASME B18
MaterialBrass
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.75"
Inside Length ( B)4.05"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 4-inch brass U-bolt offers a nominal pipe capacity of 4 inches, with an inside width (A) of 4.75 inches and an inside length (B) of 4.05 inches. Constructed from high-grade brass (typically UNS C26000 or equivalent), it exhibits excellent resistance to a wide range of corrosive media, including saltwater, mild acids, and alkalis, making it ideal for marine, chemical processing, and plumbing systems. The 1/2"-13 UNC (Unified National Coarse) thread size ensures compatibility with standard hardware and provides ample strength for secure fastening. The U-bolt's precise dimensions guarantee a snug fit around standard 4-inch nominal pipe, preventing movement and vibration.

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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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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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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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 the pipe is seated within the curve of the U-bolt. 2. Place the accompanying washers and nuts onto the threaded ends of the U-bolt. 3. Tighten the nuts evenly and progressively, alternating sides, until the U-bolt securely engages the pipe and mounting surface without deforming the pipe. 4. Verify that the pipe is held firmly in place and does not exhibit excessive movement.

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
Over-tightening the nuts, which can deform the pipe or U-bolt.Tighten nuts evenly and progressively, stopping when the U-bolt is snug and the pipe is secured, avoiding excessive force.
Using the wrong size U-bolt for the pipe diameter.Confirm the pipe's nominal diameter and select a U-bolt with appropriate inside dimensions (width and length) for a secure fit.
Not using washers, leading to uneven pressure distribution and potential damage to the pipe or mounting surface.Always use flat washers under the nuts to distribute the clamping force evenly.

Common Applications

  • Marine piping systems
  • Chemical processing plants
  • Water and wastewater treatment facilities
  • Plumbing and HVAC installations in corrosive environments

⚠️ Engineering Warnings

  • Ensure the brass material is compatible with the specific fluid or environment to prevent premature corrosion.
  • Do not exceed the recommended load capacity of the U-bolt and associated hardware.
  • Regularly inspect installed U-bolts for signs of wear, corrosion, or loosening, especially in harsh environments.

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, Water and wastewater treatment facilities, Plumbing and HVAC installations in corrosive environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.75"B4.05"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.