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

Expert Overview

Engineered for robust pipe securing in high-stress industrial settings, this carbon steel U-bolt offers exceptional strength and corrosion resistance for 3" pipe diameters.

StandardASME B18
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)1.76"
Inside Length ( B)2.99"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this 3" U-bolt is precisely manufactured from high-grade carbon steel, offering superior tensile strength and resistance to mechanical stress and vibration. Featuring an inside width (A) of 1.76 inches and an inside length (B) of 2.99 inches, it ensures a snug and secure fit for standard 3-inch nominal pipe. The 1/2"-13 UNC thread size provides ample engagement for the included nuts, facilitating reliable fastening. Its robust construction makes it ideal for supporting pipelines, conduit, and various structural components in sectors such as oil and gas, chemical processing, and heavy manufacturing.

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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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🏆 Global Innovation Leader
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🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 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 and the mounting surface. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Tighten nuts evenly using appropriate wrenches to secure the pipe against the mounting surface.

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 the wrong U-bolt size for the pipe diameter.Always verify the nominal pipe size and compare it with the U-bolt's inside dimensions (width and length) to ensure a proper fit.
Overtightening or undertightening the nuts.Tighten nuts evenly and securely to prevent pipe deformation or slippage, but avoid excessive force that could damage the pipe or U-bolt.

Common Applications

  • Pipe Support and Securing
  • Conduit Clamping
  • Structural Component Fastening

⚠️ Engineering Warnings

  • Ensure that the U-bolt material is compatible with the surrounding environment to prevent premature corrosion.
  • Verify that the load capacity of the U-bolt and mounting hardware is sufficient for the application.

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 Securing, Conduit Clamping, Structural Component Fastening.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.76"B2.99"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.