Home > U-Bolts > Carbon Steel U-Bolt, 3" Pipe

3" Carbon Steel U-Bolt | 4.86" Width | 3.02" Length | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe retention, this 3" carbon steel U-bolt provides exceptional clamping force. Its precise dimensions and durable construction ensure reliable support for critical piping systems.

StandardASME B18
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)4.86"
Inside Length ( B)3.02"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is fabricated from high-grade carbon steel, offering superior tensile strength and corrosion resistance for demanding applications. With an inside width (A) of 4.86 inches and an inside length (B) of 3.02 inches, it is designed to securely accommodate a 3-inch nominal pipe size. The 1/2"-13 thread size ensures a strong, dependable connection when paired with appropriate nuts and washers, making it ideal for structural support, conduit mounting, and general pipe securing in HVAC, plumbing, and industrial process systems.

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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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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #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."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 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:Yes

Installation Procedure

1. Position the U-bolt around the pipe and the supporting structure. 2. Insert the threaded ends through the mounting holes of the supporting structure. 3. Securely fasten using appropriate size nuts and washers (not included), tightening evenly on both sides.

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

Carbon (C)0.28 - 0.55%
Manganese (Mn)0.60 - 0.90%
Phosphorus (P)0.04% max
Sulfur (S)0.05% max

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 the wrong size U-bolt for the pipe diameter.Always verify the U-bolt's inside dimensions (width and length) match the nominal pipe size and any insulation.
Over-tightening or under-tightening the nuts.Tighten nuts evenly and securely to achieve firm support without deforming the pipe or structure. Refer to torque specifications if available for critical applications.

Common Applications

  • 3" Pipe Support and Securing
  • Structural Mounting of Conduit and Piping
  • HVAC and Plumbing System Installation

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with the U-bolt thread size and material.
  • Inspect for damage before installation; do not use if bent or corroded.

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 Carbon Steel U-Bolt, 3" Pipe made from?

A: This Carbon Steel U-Bolt, 3" Pipe is manufactured from Carbon Steel.

Q: What are the main applications?

A: 3" Pipe Support and Securing, Structural Mounting of Conduit and Piping, HVAC and Plumbing System Installation.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.86"B3.02"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.