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

3" Carbon Steel U-Bolt | 2.90" Width | 1/2"-13 Thread

Expert Overview

This robust 3" pipe U-bolt, crafted from high-strength carbon steel, ensures reliable and secure fastening for industrial piping systems. Engineered for durability and consistent performance in demanding environments.

StandardASME B18
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Width ( A)2.90"
Inside Length ( B)2.92"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this carbon steel U-bolt is designed to accommodate standard 3" nominal pipe sizes. It features an inside width (A) of 2.90 inches and an inside length (B) of 2.92 inches, ensuring a snug and secure fit. The robust 1/2"-13 UNC thread size provides ample engagement for standard nuts and washers, facilitating a strong and stable connection. Manufactured from durable carbon steel, it offers excellent tensile strength and resistance to common industrial stresses and moderate corrosive environments, making it ideal for a wide range of pipe support applications.

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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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🏆 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
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🌱 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
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. Place the U-bolt around the pipe, ensuring it is centered. 2. Position the U-bolt against the mounting surface or support structure. 3. Thread the nuts onto the U-bolt legs, tightening them evenly to secure the pipe firmly.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Incorrect U-bolt size selectionAlways verify the nominal pipe size and select a U-bolt with matching inside dimensions to ensure proper fit and support.
Uneven tightening of nutsTighten nuts alternately and evenly to apply consistent pressure and prevent pipe distortion or uneven stress distribution.

Common Applications

  • Plumbing and HVAC pipe support
  • Conduit and cable tray securing
  • General structural pipe fastening

⚠️ Engineering Warnings

  • Ensure proper torque is applied to prevent over-tightening, which can damage the pipe or threads.
  • For corrosive environments, consider specialized coatings or alternative materials.

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 securing, General structural pipe fastening.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.90"B2.92"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.