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4" Carbon Steel U-Bolt | 4.38" Width x 7.92" Length

Expert Overview

This robust 4-inch carbon steel U-bolt provides secure and dependable support for industrial piping systems. Engineered with precision, it ensures optimal structural integrity and long-term performance.

StandardASME B18
MaterialCarbon Steel
FinishPlain
GradeN/A
Inside Width ( A)4.38"
Inside Length ( B)7.92"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this Carbon Steel U-Bolt is designed to reliably secure 4" nominal diameter pipes. Featuring an inside width (A) of 4.38 inches and an inside length (B) of 7.92 inches, it accommodates standard pipe dimensions while offering substantial clamping force. The 1/2"-13 UNC thread size ensures compatibility with common fastening hardware, providing a secure and stable connection. Constructed from high-grade carbon steel, this U-bolt exhibits excellent tensile strength and durability, making it suitable for a wide range of industrial applications subject to vibration and stress. Its robust construction guarantees adherence to stringent engineering requirements.

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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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🏆 Global Innovation Leader
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🌱 100% Renewable Energy HQ
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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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #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 and conduit, ensuring it straddles the supporting member. 2. Thread the nuts onto the U-bolt legs until snug, applying even pressure. 3. Tighten nuts to the recommended torque specification for the given thread size and application to ensure secure fastening without over-stressing the components.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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
Improper thread engagement leading to loose or insecure connections.Ensure a minimum of three full threads are engaged on each U-bolt leg before tightening.
Over-tightening U-bolt nuts, which can deform the pipe or damage the supporting structure.Utilize a torque wrench and adhere to the manufacturer's recommended torque values for the specific hardware and application.

Common Applications

  • Pipe and conduit support in construction and manufacturing.
  • Securing plumbing and HVAC systems in commercial buildings.
  • Vibration damping and structural reinforcement in industrial machinery.

⚠️ Engineering Warnings

  • Always verify that the U-bolt's dimensions are compatible with the specific pipe and supporting structure before installation.
  • Ensure all hardware, including nuts and washers, is correctly sized and made of appropriate material to prevent premature corrosion or 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, 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 and conduit support in construction and manufacturing., Securing plumbing and HVAC systems in commercial buildings., Vibration damping and structural reinforcement in industrial machinery..

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.38"B7.92"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.