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

4" Carbon Steel U-Bolt | 2.57" Width | 4.54" Length | 1/2"-13 Thread

Expert Overview

This robust carbon steel U-bolt is engineered for secure and reliable support of 4-inch diameter piping systems. Its precise dimensions and durable construction ensure long-lasting performance in demanding industrial environments.

StandardASME B18
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)2.57"
Inside Length ( B)4.54"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt is manufactured from high-grade carbon steel, offering superior tensile strength and corrosion resistance suitable for a wide range of industrial applications. With an inside width (A) of 2.57 inches and an inside length (B) of 4.54 inches, it is precisely dimensioned to accommodate standard 4-inch nominal pipe sizes. The 1/2"-13 UNC thread size ensures compatibility with standard hardware for secure fastening. The material's inherent toughness and yield strength make it ideal for vibration-prone environments and structural support roles.

🧊 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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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 pipe and pipe support. 2. Thread the nuts onto the U-bolt legs until snug. 3. Tighten nuts evenly to the specified torque using appropriate wrenches, ensuring consistent pressure.

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 / ExposedExcellent
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening nuts, leading to deformation of the pipe or support.Use a calibrated torque wrench and adhere to manufacturer-recommended torque values.
Using incorrect thread size, resulting in loose or stripped connections.Verify the thread size of both the U-bolt and the intended fasteners before installation.

Common Applications

  • Industrial pipe hanging and support
  • Plumbing and HVAC systems
  • Structural steel framing

⚠️ Engineering Warnings

  • Ensure the U-bolt's load rating exceeds the combined weight of the pipe, contents, and any dynamic forces.
  • Regularly inspect for signs of corrosion, wear, or loosening, 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: Industrial pipe hanging and support, Plumbing and HVAC systems, Structural steel framing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.57"B4.54"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.