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

3" Carbon Steel U-Bolt | 3.46" Width x 5.01" Length | 1/2"-13 Thread

Expert Overview

This robust carbon steel U-bolt is engineered for secure and reliable pipe support. With precise dimensions and a durable material, it ensures steadfast performance in demanding industrial environments.

StandardDIN 933
MaterialCarbon Steel
FinishPlain
GradeN/A
Inside Width ( A)3.46"
Inside Length ( B)5.01"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-bolt is manufactured from high-grade carbon steel, offering superior strength and durability for critical applications. Its inside width (A) is precisely 3.46 inches, accommodating standard 3-inch nominal pipe sizes. The inside length (B) measures 5.01 inches, providing ample clearance for pipe insulation or mounting hardware. The threaded ends feature a standard 1/2"-13 UNC thread size, ensuring compatibility with common nuts and washers for secure fastening. This material is chosen for its excellent load-bearing capabilities and resistance to common industrial stresses, making it ideal for plumbing, structural support, and conduit 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."
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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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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 pipe and U-bolt assembly onto the mounting surface or support structure. 3. Secure the U-bolt by threading the nuts onto the bolt ends, tightening evenly to the specified torque for the application.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 insufficient inside width for the pipe diameter.Always verify the U-bolt's inside width (A) against the actual outside diameter of the pipe to ensure a snug and secure fit.
Over-tightening the nuts, which can deform the pipe or U-bolt.Tighten nuts to the manufacturer's recommended torque specification or until snug and the pipe is held firmly in place without deformation.

Common Applications

  • Pipe Hangers and Supports
  • Conduit and Cable Tray Mounting
  • Structural Steel Attachments

⚠️ Engineering Warnings

  • Ensure the carbon steel U-bolt is suitable for the environmental conditions (e.g., corrosive atmospheres) or consider a coated or stainless steel alternative.
  • Always use appropriate safety equipment, including gloves and eye protection, during installation.

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 Hangers and Supports, Conduit and Cable Tray Mounting, Structural Steel Attachments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.46"B5.01"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.