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

3" Carbon Steel U-Bolt | 2.53" Width | 7.82" Length | 1/2"-13 Thread

Expert Overview

This heavy-duty U-bolt, crafted from robust carbon steel, is engineered for secure and dependable pipe support. Its precise dimensions ensure a snug fit for 3" nominal pipes, making it an essential component in critical infrastructure.

StandardASME B18
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Width ( A)2.53"
Inside Length ( B)7.82"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this carbon steel U-bolt offers exceptional strength and durability for demanding applications. Engineered with an inside width (A) of 2.53 inches and an inside length (B) of 7.82 inches, it provides a secure embrace for 3" nominal pipe diameters. The 1/2"-13 UNC coarse thread size ensures robust fastening capabilities, allowing for secure attachment to mounting surfaces or pre-threaded rods. Manufactured from high-grade carbon steel, it exhibits excellent tensile strength and resistance to corrosion, making it suitable for a wide range of environments, from manufacturing plants to utility systems.

🧊 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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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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🌱 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, ensuring it straddles the pipe securely. 2. Align the threaded legs of the U-bolt with the pre-drilled holes or mounting brackets. 3. Secure the U-bolt by attaching the appropriate nuts (sold separately) to the threaded legs and tightening them evenly to the specified torque.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using undersized or oversized U-bolts, leading to insecure pipe support or damage.Always verify the nominal pipe size and select a U-bolt with corresponding inside dimensions to ensure a proper fit.
Over-tightening or under-tightening nuts, compromising structural integrity and potentially damaging the pipe or mounting surface.Refer to manufacturer specifications or engineering guidelines for recommended torque values and use a calibrated torque wrench for accurate tightening.

Common Applications

  • Plumbing and HVAC systems
  • Industrial pipe support
  • Conduit and cable tray mounting

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are compatible with the U-bolt material and the operating environment.
  • Do not exceed the load capacity of the U-bolt and its associated mounting hardware; consult engineering documentation for 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 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: Plumbing and HVAC systems, Industrial pipe support, Conduit and cable tray mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.53"B7.82"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.