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3" Carbon Steel U-Bolt | 1/2"-13 Thread | 2.21" Wide

Expert Overview

Engineered for superior pipe support, this 3-inch carbon steel U-bolt features a 1/2"-13 thread for secure fastening. Its robust construction ensures reliable performance and long-term durability in demanding environments.

StandardISO 9001
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Width ( A)2.21"
Inside Length ( B)5.47"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this U-bolt is forged from high-grade carbon steel, offering exceptional tensile strength and corrosion resistance for demanding industrial applications. The inside width of 2.21 inches is precisely matched to standard 3-inch nominal pipe sizing, ensuring a snug and secure fit. The inside length of 5.47 inches provides ample clearance for pipe insulation or conduit, while the 1/2"-13 UNC thread size accommodates standard heavy-duty nuts and washers for robust clamping. This configuration is ideal for critical pipe hanging, conduit support, and structural bracing where load-bearing capacity and dimensional accuracy are paramount.

🧊 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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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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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, ensuring it rests within the designated support structure. 2. Thread the provided nuts onto the U-bolt legs, tightening them evenly to secure the pipe without over-cinching. 3. Verify the pipe is stable and the U-bolt is properly seated, ensuring no excessive stress on the pipe or surrounding components.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Over-tightening the U-bolt, which can deform the pipe or the support.Tighten nuts gradually and evenly, checking for secure fit without applying excessive force.
Using the wrong size U-bolt for the pipe diameter, leading to a loose or damaging fit.Always confirm the pipe's nominal size and select a U-bolt with matching inside dimensions.

Common Applications

  • Industrial pipe support
  • Conduit and cable tray mounting
  • Structural bracing and anchoring

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are included and compatible with the U-bolt thread size.
  • Inspect U-bolt for any signs of damage or deformation before installation; do not use if compromised.

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: Industrial pipe support, Conduit and cable tray mounting, Structural bracing and anchoring.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.21"B5.47"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.