Home > U-Bolts > Carbon Steel U-Bolt, 3" Pipe

3" Carbon Steel U-Bolt | 4.64" Width x 3.02" Length | Industrial Grade

Expert Overview

This robust carbon steel U-bolt is engineered for secure and reliable pipe support in demanding industrial environments. Featuring a 3" pipe capacity and precise dimensions for a firm, stable hold, it ensures long-term performance.

StandardISO 9001
MaterialCarbon Steel
FinishPassivated
GradeN/A
Inside Width ( A)4.64"
Inside Length ( B)3.02"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is crafted from high-strength carbon steel, ensuring exceptional durability and resistance to corrosion and mechanical stress. Its dimensions are precisely engineered for a 3" nominal pipe size, with an inside width (A) of 4.64 inches and an inside length (B) of 3.02 inches, providing a snug and secure fit. The 1/2"-13 UNC thread size accommodates standard nuts and washers for robust fastening. This configuration makes it ideal for a wide range of structural and pipe support applications where reliability is paramount.

🧊 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."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 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
Warranty & Support
🛡️ 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, ensuring it rests on the supporting structure. 2. Thread the nuts onto the U-bolt legs, tightening them evenly on both sides. 3. Torque the nuts to the manufacturer's recommended specification for the specific pipe and application, ensuring a secure and vibration-resistant connection.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Over-tightening U-bolt nuts, which can deform the pipe and compromise its integrity.Use a torque wrench to tighten nuts to the specified torque rating for the pipe size and material.
Using the wrong size U-bolt, resulting in a loose fit or difficulty in installation.Verify the pipe's outside diameter and select a U-bolt with matching internal dimensions, confirming it's rated for the specific pipe size.

Common Applications

  • Piping and conduit support in chemical plants
  • Structural framing and bracing in heavy industry
  • Marine and offshore platform pipe securing

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to prevent pipe deformation or loosening.
  • Always use appropriate personal protective equipment (PPE) when handling and installing U-bolts.

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 chemical plants, Structural framing and bracing in heavy industry, Marine and offshore platform pipe securing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.64"B3.02"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.