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

3" Carbon Steel U-Bolt | 2.69" Width | 7.63" Length | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 3" U-Bolt is constructed from high-strength carbon steel. Its precise dimensions and durable construction ensure reliable and secure mounting in demanding industrial environments.

StandardASTM A106
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Width ( A)2.69"
Inside Length ( B)7.63"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this carbon steel U-Bolt is designed for 3" nominal pipe size applications, featuring an actual inside width (A) of 2.69 inches and an inside length (B) of 7.63 inches. The bolt threads are a standard 1/2"-13 UNC, providing ample thread engagement for secure fastening with compatible nuts and washers. The carbon steel material offers excellent tensile strength and durability, resisting deformation under load and providing long-term structural integrity in varied environmental conditions. These specifications ensure optimal fit and performance for essential pipe anchoring and support.

🧊 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 evenly on the pipe's exterior. 2. Place the U-bolt's threaded legs through the mounting bracket or support structure. 3. Secure the U-bolt by threading nuts onto the exposed studs. Tighten incrementally and alternately to achieve uniform clamping force and prevent pipe distortion.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Selecting a U-bolt with an inside width too small for the pipe's outer diameter, leading to potential deformation or inability to install.Always verify the U-bolt's inside width (A) against the actual outside diameter of the pipe to be secured.
Over-tightening the nuts, which can crush the pipe, damage the U-bolt threads, or compromise the integrity of the mounting structure.Tighten nuts to the manufacturer's recommended torque specification or until the U-bolt legs are snug against the pipe and mounting surface, ensuring even pressure.

Common Applications

  • Plumbing and HVAC pipe support
  • Conduit and cable tray anchoring
  • Industrial equipment mounting and bracing

⚠️ Engineering Warnings

  • Ensure compatibility of thread size and pitch with mounting hardware (nuts and washers).
  • Do not exceed the recommended load capacity for the U-bolt and its associated mounting system.

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, Conduit and cable tray anchoring, Industrial equipment mounting and bracing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.69"B7.63"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.