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3" Carbon Steel U-Bolt | 1/2"-13 Thread | 3.86" Length

Expert Overview

This robust Carbon Steel U-Bolt is engineered to securely fasten 3" nominal pipe. With a precise 2.98" inside width and 3.86" inside length, it offers reliable support for critical pipeline applications.

StandardISO 9001
MaterialCarbon Steel
FinishPlain
GradeN/A
Inside Width ( A)2.98"
Inside Length ( B)3.86"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-Bolt is forged from high-grade carbon steel, offering exceptional tensile strength and durability for demanding industrial environments. The 1/2"-13 UNC thread size ensures secure fastening with standard nuts and washers. Its precise dimensions, with an inside width (A) of 2.98" and an inside length (B) of 3.86", are designed to accommodate standard 3" nominal pipe sizes. This ensures a snug and secure fit, minimizing vibration and movement. The carbon steel construction provides excellent resistance to corrosion and mechanical stress, making it ideal for a wide range of applications.

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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."
Market Rank
🏆 Global Innovation Leader
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🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 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 sits flush against the mounting surface. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially. 3. Torque nuts evenly to the manufacturer's recommended specification for the pipe size and application to ensure secure and stable mounting.

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
Overtightening U-bolt nuts, which can deform the pipe or damage the threads.Use a torque wrench and adhere to recommended torque values for the specific pipe size and application.
Using the wrong size U-bolt for the pipe, leading to a loose or overly constricted fit.Verify the nominal pipe size and consult the U-bolt's inside dimensions (A) to ensure a proper match.

Common Applications

  • Pipe support and anchoring in HVAC systems
  • Securing conduit and electrical raceways
  • Plumbing and water distribution systems

⚠️ Engineering Warnings

  • Ensure proper thread engagement before tightening to prevent cross-threading.
  • Regularly inspect U-bolts for signs of corrosion, wear, or loosening and retorque or replace as necessary.

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 support and anchoring in HVAC systems, Securing conduit and electrical raceways, Plumbing and water distribution systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.98"B3.86"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.