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3" Carbon Steel U-Bolt | 4.04" W x 4.23" L | 1/2"-13 Thread

Expert Overview

This robust 3" Carbon Steel U-Bolt is engineered for secure and reliable pipe mounting. Its precise dimensions and durable carbon steel construction ensure long-lasting performance in demanding industrial environments.

StandardDIN 933
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Width ( A)4.04"
Inside Length ( B)4.23"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is constructed from high-grade carbon steel, offering excellent tensile strength and resistance to corrosion for reliable structural support. It features an inside width (A) of 4.04 inches and an inside length (B) of 4.23 inches, precisely sized to accommodate a 3-inch nominal pipe. The threaded ends are 1/2"-13 UNC, designed for secure fastening with standard nuts and washers, ensuring a stable and vibration-resistant pipe installation across various industrial applications.

🧊 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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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 3" pipe, ensuring it rests flush against the mounting surface. 2. Thread the accompanying nuts onto the U-bolt legs, tightening them evenly to secure the pipe. 3. Verify the pipe is held firmly and will not shift under operational loads.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the nuts, which can deform the pipe or the U-bolt.Tighten nuts until snug, then apply an additional quarter to half turn to ensure security without excessive force. Consult torque specifications if available.
Using incorrect thread size nuts, leading to a loose or unsafe connection.Always confirm the thread size (1/2"-13 UNC) matches the nuts and that they are fully engaged on the U-bolt's threaded section.

Common Applications

  • Plumbing and HVAC pipe support
  • Electrical conduit mounting
  • Structural support for various piping systems

⚠️ Engineering Warnings

  • Ensure proper thread engagement to prevent loosening.
  • Do not exceed the recommended load capacity for this U-bolt.

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, Electrical conduit mounting, Structural support for various piping systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.04"B4.23"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.