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4" Carbon Steel U-Bolt | 3.75" Width | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 4-inch carbon steel U-bolt features a 3.75-inch inside width and 1/2"-13 threads. It provides secure, reliable fastening in demanding industrial environments.

StandardASME B18
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.75"
Inside Length ( B)2.18"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is manufactured from high-strength carbon steel, offering excellent durability and load-bearing capacity. With an inside width (A) of 3.75 inches and an inside length (B) of 2.18 inches, it is precisely designed to accommodate 4-inch nominal pipe sizes. The robust 1/2"-13 UNC threads ensure secure and consistent fastening, making it ideal for a wide range of structural and mechanical applications where reliable pipe retention 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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🏆 Global Innovation Leader
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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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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
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 and desired mounting surface. 2. Thread the nuts onto the U-bolt legs until snug. 3. Torque nuts to manufacturer specifications to ensure a secure fit without over-compression.

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
Using a U-bolt with insufficient thread engagement.Ensure at least two full threads are engaged beyond the nut for optimal load distribution and security.
Over-tightening U-bolt nuts, leading to pipe deformation or bolt failure.Utilize a torque wrench and adhere to the recommended torque values for the bolt size and application to prevent damage.

Common Applications

  • Pipe and conduit support in plumbing and HVAC systems
  • Structural framing and bracing for mechanical equipment
  • Securing cylindrical components in automotive and marine environments

⚠️ Engineering Warnings

  • Always ensure the U-bolt is rated for the specific load and environmental conditions.
  • Inspect U-bolts regularly for signs of corrosion, wear, or damage, and replace if compromised.

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 plumbing and HVAC systems, Structural framing and bracing for mechanical equipment, Securing cylindrical components in automotive and marine environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.75"B2.18"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.