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

4" Carbon Steel U-Bolt | 4.74" Width | 2.86" Length

Expert Overview

This robust 4" carbon steel U-bolt provides secure and reliable pipe support. Engineered for strength and durability, it's the essential component for your piping infrastructure.

StandardASTM A106
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)4.74"
Inside Length ( B)2.86"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this carbon steel U-bolt is designed for 4" nominal pipe size, featuring a precise inside width (A) of 4.74 inches and an inside length (B) of 2.86 inches. Constructed from high-grade carbon steel, it offers superior tensile strength and resistance to deformation under load. The 1/2"-13 UNC thread size ensures compatibility with standard nuts and washers for secure fastening. Ideal for industrial plumbing, HVAC systems, and structural support where reliable pipe anchoring is critical.

🧊 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."
Market Rank
🏆 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
Industry Approvals
🚀 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 through the mounting surface or bracket. 2. Thread nuts onto both ends of the U-bolt, ensuring an even start. 3. Tighten nuts alternately to achieve uniform pressure and secure the pipe, avoiding overtightening which can deform the pipe.

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 / ExposedExcellent
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 nominal pipe size and select a U-bolt with an inside width that accommodates the pipe's outer diameter for a snug fit.
Uneven tightening of the nuts.Tighten nuts incrementally and alternately on each leg of the U-bolt to distribute pressure evenly and prevent pipe distortion or uneven stress.

Common Applications

  • Industrial Pipe Support
  • HVAC System Installation
  • Structural Steel Fabrication

⚠️ Engineering Warnings

  • Ensure the mounting surface can support the weight and vibration of the pipe.
  • Use appropriate torque specifications to avoid damaging the pipe or the U-bolt.

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 Support, HVAC System Installation, Structural Steel Fabrication.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.74"B2.86"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.