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3" Brass U-Bolt | 1/2"-13 Thread | Corrosion Resistant

Expert Overview

Engineered for superior corrosion resistance and strength, this 3-inch brass U-bolt is designed for demanding environments. Its robust construction ensures secure pipe support in critical applications.

StandardDIN 933
MaterialBrass
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.79"
Inside Length ( B)7.42"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this brass U-bolt is manufactured from high-grade brass for exceptional corrosion resistance, making it ideal for marine, chemical processing, and plumbing systems where galvanic corrosion is a concern. With an inside width (A) of 1.79 inches and an inside length (B) of 7.42 inches, it provides substantial clearance for 3-inch nominal pipes. The robust 1/2"-13 UNC threading on both legs ensures a secure and reliable fastening capability when paired with appropriate nuts and a backing plate for optimal load distribution.

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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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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. Select appropriate U-bolt size and material for the pipe diameter and environment. 2. Position the U-bolt around the pipe and through the mounting surface or conduit hanger. 3. Securely fasten using two 1/2"-13 nuts (not included) and washers, ensuring even tension on both legs.

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
Using incorrect thread size for nuts.Always use matching 1/2"-13 UNC nuts to ensure proper thread engagement and secure clamping.
Over-tightening the nuts, potentially deforming the pipe or U-bolt.Apply firm, even pressure with a torque wrench if specified, or tighten until snug and the pipe is securely held without distortion.

Common Applications

  • Marine plumbing and structural support
  • Chemical processing pipe systems
  • Corrosive environment plumbing installations

⚠️ Engineering Warnings

  • Ensure compatibility of brass with the fluid being conveyed and the surrounding environment to prevent premature corrosion or degradation.
  • Do not exceed the recommended load capacity for this U-bolt; consult engineering specifications for specific load ratings.

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 plumbing and structural support, Chemical processing pipe systems, Corrosive environment plumbing installations.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.79"B7.42"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.