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

3" Carbon Steel U-Bolt | 1.52" Width x 6.82" Length | 1/2"-13 Thread

Expert Overview

This heavy-duty U-bolt is precisely engineered from high-grade carbon steel to provide robust support and secure mounting for 3-inch nominal pipe systems. Its substantial length and thread engagement ensure reliable performance in demanding environments.

StandardASME B18
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.52"
Inside Length ( B)6.82"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this carbon steel U-bolt is designed for superior strength and longevity. The inside width (A) measures 1.52 inches, accommodating standard 3-inch nominal pipe dimensions. The inside length (B) is precisely 6.82 inches, allowing for ample thread engagement with the 1/2"-13 UNC threads. Manufactured from durable carbon steel, it exhibits excellent tensile strength and resistance to corrosion in non-extreme environments, making it ideal for structural support and pipe anchoring applications where load-bearing capacity is critical.

🧊 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 securely in a saddle or on a supporting structure. 2. Thread the included nuts onto the U-bolt's threaded ends, hand-tightening initially. 3. Use appropriate wrenches to uniformly tighten the nuts until the pipe is firmly secured, but avoid overtightening to prevent pipe deformation.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Selecting a U-bolt with insufficient thread engagement.Ensure the U-bolt's inside length (B) provides adequate thread coverage on both sides for secure fastening.
Overtightening the nuts, causing pipe damage.Tighten nuts incrementally and uniformly to achieve a secure fit without deforming the pipe or overstressing the mounting structure.

Common Applications

  • Industrial pipe support systems
  • Plumbing and HVAC installations
  • Structural anchoring of conduit and piping

⚠️ Engineering Warnings

  • Ensure the load rating of the U-bolt and mounting hardware is appropriate for the application.
  • For corrosive environments, consider using coated or stainless steel alternatives.

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: Industrial pipe support systems, Plumbing and HVAC installations, Structural anchoring of conduit and piping.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.52"B6.82"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.