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3" Carbon Steel U-Bolt | 3.52" Width | 4.33" Length | 1/2"-13 Thread

Expert Overview

Engineered for reliable pipe support, this 3" Carbon Steel U-Bolt offers superior strength and corrosion resistance. Its robust construction ensures secure mounting for various piping systems.

StandardASTM A106
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.52"
Inside Length ( B)4.33"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is fabricated from high-grade carbon steel, offering excellent tensile strength and load-bearing capacity suitable for demanding industrial environments. The dimensions are precisely engineered to accommodate standard 3" nominal pipe sizes, with an inside width (A) of 3.52 inches and an inside length (B) of 4.33 inches. The robust 1/2"-13 UNC threads provide secure fastening with compatible nuts and washers, ensuring a stable and long-lasting pipe installation. Material compliance with ASTM A36 or equivalent standards guarantees consistent performance and durability.

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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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🚀 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 flush against the supporting structure. 2. Thread the nuts onto the U-bolt legs until snug, but do not overtighten. 3. Evenly tighten the nuts in an alternating pattern to achieve uniform clamping force, ensuring the pipe is securely held without deformation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Overtightening the nuts, which can deform the pipe or stress the U-bolt.Tighten nuts evenly and alternately to the specified torque, avoiding excessive force.
Using the wrong size U-bolt for the pipe, leading to a loose or insecure fit.Verify the pipe's nominal size and ensure the U-bolt's internal dimensions are appropriate for a snug fit.

Common Applications

  • Plumbing and HVAC pipe support
  • Conduit and cable tray mounting
  • Structural support for mechanical systems

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are compatible and rated for the load and environment.
  • Inspect U-bolts regularly for signs of corrosion, fatigue, or damage, and replace as needed.

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 pipe support, Conduit and cable tray mounting, Structural support for mechanical systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.52"B4.33"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.