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3" Carbon Steel U-Bolt | 3.49" Width x 6.63" Length | 1/2"-13 Thread

Expert Overview

Engineered for superior pipe support, this 3" Carbon Steel U-Bolt offers robust anchoring and vibration dampening. Its heavy-duty construction ensures long-term reliability in demanding industrial environments.

StandardISO 9001
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)3.49"
Inside Length ( B)6.63"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-Bolt is meticulously crafted from high-grade carbon steel for exceptional tensile strength and corrosion resistance. Featuring an inside width of 3.49" (A) and an inside length of 6.63" (B), it is precisely designed to accommodate standard 3-inch nominal pipe sizes. The 1/2"-13 UNC thread size ensures secure fastening with appropriate nuts and washers, providing reliable support for a wide range of piping systems in construction, plumbing, and manufacturing sectors.

🧊 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."
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🏆 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."
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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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🌱 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 and the supporting structure. 2. Thread the nuts onto the U-Bolt legs until snug. 3. Tighten the nuts evenly to achieve the specified support tension, ensuring the pipe is securely held without deformation.

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, causing pipe deformation or damage to the U-Bolt.Tighten nuts evenly and gradually, using a torque wrench if necessary, to the manufacturer's recommended specification.
Using a U-Bolt that is not sized correctly for the pipe diameter.Verify the pipe's nominal size and select a U-Bolt with the corresponding inside width and length specifications.

Common Applications

  • Securing and supporting pipework in industrial facilities
  • Anchoring conduit and structural components
  • Vibration isolation for mechanical systems

⚠️ Engineering Warnings

  • Always use appropriate safety equipment during installation.
  • Ensure the supporting structure is adequately rated for the load.

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: Securing and supporting pipework in industrial facilities, Anchoring conduit and structural components, Vibration isolation for mechanical systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.49"B6.63"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.