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3" Carbon Steel U-Bolt | 3.71" Width | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 3" carbon steel U-bolt offers superior strength and corrosion resistance. Its precise dimensions ensure a secure fit for critical infrastructure.

StandardISO 9001
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.71"
Inside Length ( B)2.46"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this carbon steel U-bolt is designed to provide steadfast support for 3" nominal pipe sizes. Featuring an inside width (A) of 3.71 inches and an inside length (B) of 2.46 inches, it accommodates standard pipe dimensions. The robust 1/2"-13 UNC thread size ensures secure fastening with standard nuts and washers, crucial for preventing pipe movement under vibration or load. Manufactured from high-strength carbon steel, this U-bolt exhibits excellent tensile strength and durability, making it ideal for demanding industrial environments where reliability is paramount.

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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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Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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🚀 US Military Approved
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🌱 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 a compatible mounting surface or support structure. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially. 3. Using appropriate wrenches, tighten the nuts evenly to the manufacturer's recommended torque specification, ensuring a snug and secure fit without over-compression.

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 a U-bolt with incorrect dimensions for the pipe size.Always verify the inside width (A) and inside length (B) of the U-bolt to match the nominal pipe size and required clearance.
Over-tightening the nuts, leading to pipe deformation or damage.Refer to engineering specifications or consult with a qualified professional for the correct torque values. Tighten nuts incrementally and evenly.
Failing to use washers, which can lead to uneven pressure distribution and potential galling.Always use appropriate flat washers between the U-bolt legs and the nuts to distribute load and protect surfaces.

Common Applications

  • Industrial piping support
  • Conduit and cable management
  • Structural framing and bracing

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are compatible with the U-bolt material and environment to prevent corrosion.
  • Verify the load-bearing capacity of the mounting surface or structure before installation to prevent structural failure.

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 piping support, Conduit and cable management, Structural framing and bracing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.71"B2.46"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.