Home > U-Bolts > Carbon Steel U-Bolt, 4" Pipe

4" Carbon Steel U-Bolt | 2.25" Width x 3.99" Length | 1/2"-13 Thread

Expert Overview

This robust carbon steel U-bolt is designed for secure and reliable 4-inch pipe mounting. Its precise dimensions and durable construction ensure long-lasting support in demanding industrial environments.

StandardASME B18
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.25"
Inside Length ( B)3.99"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is fabricated from high-grade carbon steel, offering exceptional tensile strength and resistance to corrosion. The specified inside width of 2.25 inches and inside length of 3.99 inches are precisely manufactured to accommodate standard 4-inch pipe diameters, ensuring a snug and secure fit. The 1/2"-13 UNC thread size provides ample engagement for standard nuts and washers, facilitating robust fastening. Its inherent material properties make it suitable for a wide range of temperature and pressure applications within industrial piping systems.

🧊 Download 3D CAD Model (.STEP)

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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🛡️ 24/7 Application Support
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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. Place the U-bolt around the 4-inch pipe, ensuring it is centered. 2. Position the provided saddle or mounting plate, if applicable, against the pipe. 3. Thread the nuts onto the U-bolt legs, tightening them evenly to secure the pipe and saddle firmly to the mounting surface.

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 the wrong size U-bolt for the pipe diameter.Always verify the pipe's outer diameter and select a U-bolt with an inside width that allows for a snug fit without excessive compression or looseness.
Over-tightening the U-bolt nuts, leading to pipe deformation.Tighten nuts evenly and to the recommended torque specification for the bolt size to ensure a secure hold without damaging the pipe or the U-bolt.

Common Applications

  • Pipe support and suspension
  • Conduit and cable management
  • Structural framing and bracing

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the intended load and environmental conditions.
  • Always use appropriate safety equipment during installation.

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 suspension, Conduit and cable management, Structural framing and bracing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.25"B3.99"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.