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3" Carbon Steel U-Bolt | 1/2"-13 Threads | Industrial Grade

Expert Overview

Engineered for superior pipe security, this 3" Carbon Steel U-Bolt is a cornerstone for reliable infrastructure. Its robust construction ensures long-term performance under demanding loads.

StandardDIN 933
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.65"
Inside Length ( B)3.95"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this Carbon Steel U-Bolt is designed to securely fasten 3" nominal pipe sizes. Featuring an inside width (A) of 1.65" and an inside length (B) of 3.95", it provides a snug and stable fit. The robust 1/2"-13 UNC threads offer exceptional tensile strength and vibration resistance, ensuring a secure connection for critical piping systems. Manufactured from high-grade carbon steel, this U-bolt exhibits excellent mechanical properties, including high yield and tensile strength, making it suitable for heavy-duty applications in construction, plumbing, and manufacturing sectors where reliable support 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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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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Certified:ISO 9001, IATF 16949
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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🛡️ 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 proper contact with the mounting surface. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Tighten nuts progressively and evenly using appropriate wrenches to achieve specified torque, avoiding over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Using incorrect U-bolt size for the pipe diameter.Always verify the nominal pipe size and select a U-bolt with compatible inside dimensions (width and length).
Uneven or excessive tightening of nuts.Tighten nuts gradually and symmetrically to ensure even pressure distribution and prevent pipe deformation or damage.

Common Applications

  • Pipe support and anchoring
  • Conduit and cable management
  • Structural steel framing

⚠️ Engineering Warnings

  • Ensure proper thread engagement and torque to prevent loosening.
  • Inspect regularly for signs of corrosion or wear, and replace as needed.

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, Conduit and cable management, Structural steel framing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.65"B3.95"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.