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3" Carbon Steel U-Bolt | 1/2"-13 Thread | Industrial Grade

Expert Overview

Engineered for robust pipe securing, this 3" Carbon Steel U-Bolt provides superior structural integrity. Its precise dimensions and high-strength material ensure reliable support in demanding industrial environments.

StandardASTM A106
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)2.94"
Inside Length ( B)6.55"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-Bolt is fabricated from premium carbon steel, offering exceptional tensile strength and resistance to corrosion in typical industrial atmospheres. With an inside width (A) of 2.94 inches and an inside length (B) of 6.55 inches, it is precisely designed to accommodate standard 3-inch nominal pipe sizes. The 1/2"-13 UNC thread size ensures secure fastening with compatible nuts and washers, providing a dependable clamping force for static and dynamic load-bearing applications in plumbing, structural support, and equipment mounting.

🧊 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."
Market Rank
🏆 Global Innovation Leader
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🚀 Aviation & Medical Approved
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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
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #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:Yes

Installation Procedure

1. Position the U-bolt around the pipe, ensuring it is centered on the desired support point. 2. Place the pipe and U-bolt assembly onto the mounting surface or bracket. 3. Secure the U-bolt by threading the provided nuts onto the bolt legs, tightening them evenly until snug.

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
Over-tightening nuts, leading to pipe deformation or stress.Tighten nuts evenly to a snug fit, then apply a final quarter-turn. Torque specifications should be consulted for critical applications.
Using the wrong size U-bolt for the pipe, resulting in a loose or overly tight fit.Always verify the pipe's nominal size and select a U-bolt with compatible inside dimensions (width and length).

Common Applications

  • Pipe support and anchoring in manufacturing facilities
  • Securing conduit and cable trays
  • Mounting of plumbing and HVAC systems

⚠️ Engineering Warnings

  • Ensure all mating hardware (nuts and washers) are of appropriate grade and material for the application's load and environmental conditions.
  • Regular inspection of U-bolts is recommended to detect signs of wear, corrosion, or loosening, especially in vibration-prone environments.

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: Pipe support and anchoring in manufacturing facilities, Securing conduit and cable trays, Mounting of plumbing and HVAC systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.94"B6.55"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.