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3" Carbon Steel U-Bolt | 1/2"-13 Thread | Heavy Duty

Expert Overview

This robust Carbon Steel U-Bolt is engineered for the secure and reliable fastening of 3-inch diameter piping systems. Designed for demanding industrial environments, it ensures structural integrity and operational stability.

StandardDIN 933
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)3.21"
Inside Length ( B)6.45"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is forged from high-strength carbon steel, offering superior load-bearing capacity and resistance to corrosion and impact. Its precise dimensions include an inside width (A) of 3.21 inches and an inside length (B) of 6.45 inches, perfectly accommodating standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC thread ensures a secure and stable connection, critical for maintaining system integrity in demanding sectors such as oil and gas, chemical processing, and heavy construction.

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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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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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🌱 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 a snug fit within the saddle. 2. Thread the accompanying nuts onto the U-bolt legs. 3. Tighten nuts uniformly and securely using appropriate wrenches, ensuring even pressure distribution to prevent pipe deformation.

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
Using a U-bolt with insufficient thread size for the load.Always select a U-bolt with the specified thread size (1/2"-13 in this case) to match the required load capacity and ensure secure fastening.
Over-tightening the nuts, leading to pipe distortion.Tighten nuts to the manufacturer's recommended torque or until snug and secure, avoiding excessive force that could damage the pipe or fitting.

Common Applications

  • Pipe support and anchoring in industrial facilities
  • Securing conduit and structural members
  • Plumbing and HVAC systems requiring robust fastening

⚠️ Engineering Warnings

  • Ensure proper thread engagement to achieve full load capacity.
  • Periodically inspect for signs of wear or corrosion and replace as needed.

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 support and anchoring in industrial facilities, Securing conduit and structural members, Plumbing and HVAC systems requiring robust fastening.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.21"B6.45"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.