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3" Carbon Steel U-Bolt | 1/2"-13 Thread | Industrial Grade

Expert Overview

This industrial-grade U-bolt is expertly crafted from high-strength carbon steel to reliably secure 3" diameter piping systems. Designed for demanding environments, it ensures a stable and long-lasting installation.

StandardASME B18
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)4.29"
Inside Length ( B)2.51"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is forged from premium carbon steel, offering superior tensile strength and resistance to environmental factors. The precise dimensions, including an inside width (A) of 4.29 inches and an inside length (B) of 2.51 inches, are engineered for a snug fit around standard 3" pipes. The 1/2"-13 UNC threading on each leg ensures secure fastening with compatible nuts and washers, providing robust support for plumbing, mechanical, and structural applications where vibration and load bearing are critical.

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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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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
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🌱 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 is centered within the U-bolt. 2. Place the accompanying support plate or saddle (if applicable) over the U-bolt legs. 3. Thread the nuts onto the U-bolt legs evenly, tightening them sequentially to achieve uniform clamping force.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening nuts, leading to pipe deformation or stress.Tighten nuts gradually and evenly, alternating sides. Use a torque wrench to adhere to recommended torque specifications for the application.
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's outer diameter and select a U-bolt with an inside width that accommodates it without excessive play or compression.

Common Applications

  • Piping and conduit support in industrial facilities
  • Securing conduit and electrical raceways
  • Structural support for mechanical assemblies

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts, washers) are compatible with the carbon steel U-bolt and the application's environmental conditions.
  • Inspect regularly for signs of corrosion, wear, or damage, and replace if compromised.

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: Piping and conduit support in industrial facilities, Securing conduit and electrical raceways, Structural support for mechanical assemblies.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.29"B2.51"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.