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

4" Carbon Steel U-Bolt | 2.91" ID x 4.30" L | 1/2"-13 Thread

Expert Overview

This 4" Carbon Steel U-Bolt is engineered for robust pipe support in demanding industrial environments. Its precise dimensions ensure a secure fit for 4-inch nominal pipe sizes, providing reliable structural integrity.

StandardASTM A106
MaterialCarbon Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.91"
Inside Length ( B)4.30"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-Bolt is fabricated from high-grade carbon steel, offering superior tensile strength and durability for critical applications. Designed to accommodate a 4-inch nominal pipe diameter, it features an inside width (A) of 2.91 inches and an inside length (B) of 4.30 inches. The bolt threads conform to a 1/2"-13 UNC standard, ensuring compatibility with standard nuts and washers for secure fastening. This material selection and dimensional accuracy make it ideal for plumbing, structural support, and conduit anchoring systems where load-bearing capacity and corrosion resistance are paramount.

🧊 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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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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🌱 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. Verify the U-bolt dimensions match the pipe diameter and application requirements. 2. Position the U-bolt around the pipe, ensuring it is centered and perpendicular. 3. Secure the U-bolt by threading nuts onto the bolt ends, tightening them evenly on both sides.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 U-bolt size for the pipe diameter.Always confirm the U-bolt's inside diameter (A) is suitable for the specific pipe's outside diameter to ensure a snug fit and prevent slippage.
Uneven tightening of the nuts.Tighten nuts incrementally and alternately on each leg of the U-bolt to ensure uniform pressure distribution and prevent pipe deformation or stress.

Common Applications

  • Pipe support and anchoring in plumbing systems
  • Conduit and cable tray securing
  • Structural support for mechanical equipment

⚠️ Engineering Warnings

  • Ensure the load rating of the U-bolt is adequate for the application.
  • Use appropriate nuts and washers for secure fastening.

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 anchoring in plumbing systems, Conduit and cable tray securing, Structural support for mechanical equipment.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.91"B4.30"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.