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

3" Carbon Steel U-Bolt | 1/2"-13 Thread | 2.20" Width

Expert Overview

This robust 3-inch carbon steel U-bolt is engineered for secure and reliable pipe support in demanding industrial environments. Featuring a 1/2"-13 thread size, it ensures a firm grip for critical applications.

StandardISO 9001
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.20"
Inside Length ( B)7.80"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this carbon steel U-bolt is designed for exceptional durability and load-bearing capacity. With an inside width (A) of 2.20 inches and an inside length (B) of 7.80 inches, it is optimized for 3-inch nominal pipe sizes. The 1/2"-13 UNC thread size provides a substantial engagement for secure fastening. The inherent strength and resilience of carbon steel make this U-bolt ideal for static and dynamic load applications in plumbing, HVAC, and structural support systems.

🧊 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 spans the pipe's diameter. 2. Place the U-bolt over the mounting surface or saddle, aligning the threaded ends with pre-drilled holes or clamps. 3. Secure the U-bolt by attaching and tightening the corresponding nuts and washers onto the threaded legs.

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
Using the wrong U-bolt size for the pipe diameter.Always verify the inside width (A) of the U-bolt matches or is slightly larger than the outer diameter of the pipe being supported.
Over-tightening nuts, leading to deformation of the pipe or U-bolt.Tighten nuts to a snug fit, then apply a final turn per torque specifications to avoid stressing the components.

Common Applications

  • Pipe hanging and support in industrial facilities
  • Plumbing and HVAC system installations
  • Structural bracing and anchoring of conduits

⚠️ Engineering Warnings

  • Ensure all mounting hardware (nuts, washers) are compatible and rated for the load.
  • Inspect U-bolts regularly for signs of corrosion, wear, or damage, and replace if compromised.

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 hanging and support in industrial facilities, Plumbing and HVAC system installations, Structural bracing and anchoring of conduits.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.20"B7.80"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.