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3" Carbon Steel U-Bolt | 2.76" Width x 7.85" Length | Industrial Grade

Expert Overview

This robust Carbon Steel U-Bolt is engineered to securely fasten 3" nominal pipe. Featuring a precise 2.76" inside width and 7.85" inside length, it provides unwavering support for vital piping systems in industrial settings.

StandardASTM A106
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)2.76"
Inside Length ( B)7.85"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this Carbon Steel U-Bolt is manufactured from high-strength carbon steel to withstand significant load and stress in demanding industrial applications. With an inside width (A) of 2.76" and an inside length (B) of 7.85", it is specifically designed for 3" nominal pipe diameters. The 1/2"-13 UNC thread size ensures secure fastening with compatible nuts and washers, crucial for maintaining structural integrity and preventing pipe movement. This U-bolt is ideal for applications requiring steadfast pipe support, vibration dampening, and resistance to moderate environmental factors.

🧊 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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🛡️ Premium Performance Guarantee
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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
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ 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 the pipe rests squarely within the curve. 2. Insert the threaded legs of the U-bolt through the mounting surface or bracket. 3. Securely fasten using appropriate nuts and washers, tightening evenly to the recommended torque specification.

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
Using a U-bolt with an incorrect inside width for the pipe diameter.Always verify the U-bolt's inside width (A) matches the nominal pipe size to ensure a snug and secure fit.
Over-tightening nuts, leading to pipe deformation or damage.Tighten nuts incrementally and evenly, using a torque wrench to adhere to recommended specifications for the pipe and mounting system.

Common Applications

  • Structural pipe support in commercial buildings
  • Vibration dampening for mechanical systems
  • Securing conduit and plumbing lines in industrial plants

⚠️ Engineering Warnings

  • Ensure the U-bolt material is compatible with the surrounding environment to prevent corrosion.
  • Confirm that all fasteners (nuts and washers) are of equivalent or higher strength grade than the U-bolt.

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: Structural pipe support in commercial buildings, Vibration dampening for mechanical systems, Securing conduit and plumbing lines in industrial plants.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.76"B7.85"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.