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

Expert Overview

This robust carbon steel U-bolt is engineered for secure and reliable support of 3" pipe applications. Featuring a 1/2"-13 thread size and precise dimensions, it ensures a firm hold in demanding industrial settings.

StandardASME B18
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.37"
Inside Length ( B)3.97"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is fabricated from high-strength carbon steel, offering excellent load-bearing capacity and resistance to corrosion in typical industrial atmospheres. The inside width of 1.37" and an inside length of 3.97" are precisely machined to accommodate standard 3" nominal pipe sizes, ensuring a snug and secure fit. The 1/2"-13 UNC thread size provides ample engagement for robust fastening with compatible nuts and washers, delivering unwavering stability for supported piping systems.

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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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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."
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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 3" pipe, ensuring it straddles the pipe. 2. Place the U-bolt legs through the designated mounting holes or support structure. 3. Securely fasten the U-bolt using two 1/2"-13 nuts and appropriate washers (not included).

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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using incorrect thread size nuts.Always use nuts with a matching 1/2"-13 thread size to ensure proper engagement and secure fastening.
Overtightening the U-bolt, deforming the pipe.Tighten nuts evenly until snug, applying additional torque gradually as needed to prevent pipe deformation or damage to the support.

Common Applications

  • Pipe and conduit support in construction and maintenance
  • Mounting of structural components and equipment
  • Securing tubing and cylindrical members in mechanical assemblies

⚠️ Engineering Warnings

  • Ensure product is rated for the specific load and environmental conditions.
  • Always use appropriate personal protective equipment (PPE) 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 and conduit support in construction and maintenance, Mounting of structural components and equipment, Securing tubing and cylindrical members in mechanical assemblies.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.37"B3.97"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.