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Carbon Steel U-Bolt 3" Pipe | 4.46" W x 7.78" L | 1/2"-13

Expert Overview

Engineered for secure and dependable pipe support, this 3" carbon steel U-bolt offers superior strength and corrosion resistance. Its robust construction ensures long-term integrity for critical infrastructure.

StandardISO 9001
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)4.46"
Inside Length ( B)7.78"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this Carbon Steel U-Bolt is precisely manufactured to secure 3" nominal pipe. It features an inside width (A) of 4.46 inches and an inside length (B) of 7.78 inches, accommodating standard pipe OD. The bolt threads are a robust 1/2"-13 UNC, providing substantial clamping force. Constructed from high-grade carbon steel, it exhibits excellent tensile strength and rigidity, making it ideal for applications requiring unwavering structural support and resistance to moderate environmental conditions.

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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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Certified:ISO 9001, ISO 14001
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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🛡️ 24/7 Application Support
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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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🛡️ 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. 2. Place the provided saddle or clamping plate on the opposite side of the pipe. 3. Thread the nuts onto the U-bolt legs, tightening evenly to secure the pipe without over-stressing the system.

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening nuts, which can deform the pipe or damage the threads.Tighten nuts gradually and evenly until snug, then apply an additional quarter to half turn as needed, avoiding excessive force.
Using a U-bolt with insufficient inside width for the pipe's outer diameter.Always verify the 'Inside Width (A)' spec against the specific pipe's outer diameter before selection.

Common Applications

  • Plumbing and pipe hanging in industrial facilities
  • Structural support for conduit and mechanical systems
  • Marine and offshore applications (with appropriate coatings)

⚠️ Engineering Warnings

  • Ensure proper thread engagement to achieve maximum holding strength.
  • For corrosive environments, consider corrosion-resistant 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 pipe hanging in industrial facilities, Structural support for conduit and mechanical systems, Marine and offshore applications (with appropriate coatings).

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.46"B7.78"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.