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

Expert Overview

This 4-inch carbon steel U-bolt is engineered for secure and reliable pipe support. Featuring a 1/2"-13 UNC thread size, it provides robust fastening for critical infrastructure and industrial applications.

StandardISO 9001
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.13"
Inside Length ( B)3.93"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this 4-inch U-bolt is manufactured from high-grade carbon steel, ensuring superior tensile strength and durability in demanding applications. With an inside width (A) of 1.13 inches and an inside length (B) of 3.93 inches, it is precisely dimensioned to accommodate standard 4-inch nominal pipe sizes. The 1/2"-13 UNC coarse thread size offers ample thread engagement for secure clamping and vibration resistance. This robust construction makes it ideal for structural support of piping systems in chemical plants, manufacturing facilities, and heavy construction projects where safety and longevity are 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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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 4" pipe, ensuring it rests within the appropriate pipe saddle or support. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially. 3. Use calibrated torque wrenches to tighten the nuts evenly to the specified torque value, ensuring uniform pressure distribution and secure pipe clamping.

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 undersized or oversized U-bolts, leading to improper pipe fit and potential system failure.Always verify the nominal pipe size and select a U-bolt with compatible inside dimensions (A and B) as specified in engineering drawings or product datasheets.
Uneven tightening of nuts, causing stress concentrations on the pipe and U-bolt.Tighten nuts incrementally and alternately, using a torque wrench to ensure uniform pressure across both legs of the U-bolt.

Common Applications

  • Structural support for industrial piping systems
  • Securing conduit and electrical raceways
  • Mechanical fastening in heavy equipment and machinery

⚠️ Engineering Warnings

  • Ensure U-bolt material is compatible with the surrounding environment and fluid being conveyed to prevent corrosion.
  • Always adhere to recommended torque specifications to avoid over or under-tightening, which can compromise structural integrity.

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: Structural support for industrial piping systems, Securing conduit and electrical raceways, Mechanical fastening in heavy equipment and machinery.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.13"B3.93"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.