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4" Carbon Steel U-Bolt | 2.11" Width x 3.80" Length | 1/2"-13 Thread

Expert Overview

This robust 4" Carbon Steel U-Bolt is engineered for secure pipe support and fastening. Featuring a 2.11" inside width and 3.80" inside length with 1/2"-13 threading, it provides reliable performance in demanding industrial environments.

StandardASTM A106
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.11"
Inside Length ( B)3.80"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt is constructed from high-grade carbon steel, offering superior tensile strength and resistance to corrosion for long-term reliability. With an inside width (A) of 2.11" and an inside length (B) of 3.80", it is precisely designed to accommodate 4" nominal pipe sizes. The 1/2"-13 UNC thread size ensures a strong, secure connection when paired with appropriate nuts and washers. Its durable construction makes it suitable for a wide range of static and dynamic load-bearing applications within plumbing, structural support, and mechanical systems.

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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
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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. Ensure the pipe is properly seated within the U-bolt's curve. 2. Position the U-bolt over the pipe and through the mounting surface or bracket. 3. Securely fasten the U-bolt using appropriate 1/2"-13 nuts and washers, tightening evenly on both legs to achieve specified torque.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 size U-bolt for the pipe diameter.Always verify the nominal pipe size and select a U-bolt with compatible inside dimensions (width and length).
Insufficient tightening of nuts, leading to vibration loosening.Tighten nuts to the manufacturer's recommended torque specifications, ensuring even pressure on both legs of the U-bolt.

Common Applications

  • Pipe support and anchoring in industrial facilities
  • Securing conduit and cable trays
  • Structural bracing and fastening applications

⚠️ Engineering Warnings

  • Ensure compatibility of mounting hardware (nuts and washers) with the U-bolt's thread size and material.
  • Do not exceed the U-bolt's rated load capacity, which should be determined based on application-specific engineering calculations.

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, 4" Pipe made from?

A: This Carbon Steel U-Bolt, 4" Pipe is manufactured from Carbon Steel.

Q: What are the main applications?

A: Pipe support and anchoring in industrial facilities, Securing conduit and cable trays, Structural bracing and fastening applications.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.11"B3.80"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.