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3" Carbon Steel U-Bolt | 1/2"-13 Thread | 4.12" Width

Expert Overview

This robust 3" carbon steel U-bolt provides secure and reliable support for pipe systems. Featuring a 1/2"-13 thread size, it ensures a strong, dependable connection in demanding industrial environments.

StandardISO 9001
MaterialCarbon Steel
FinishGalvanized
GradeN/A
Inside Width ( A)4.12"
Inside Length ( B)3.52"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is fabricated from high-grade carbon steel, offering superior tensile strength and resistance to corrosion for long-term service. Its precise dimensions, with an inside width (A) of 4.12 inches and an inside length (B) of 3.52 inches, are optimized for a snug and secure fit around standard 3-inch nominal pipes. The 1/2"-13 UNC threading on the legs ensures compatibility with standard nuts and washers, allowing for robust clamping force and secure mounting to structural supports in various industrial, plumbing, and construction applications.

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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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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, ensuring it is centered for even load distribution. 2. Thread the appropriate nuts onto the U-bolt legs, initially by hand to ensure proper engagement. 3. Tighten the nuts incrementally and alternately using a calibrated torque wrench to the specified torque value for the application, ensuring a secure and stable installation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Over-tightening the U-bolt nuts, which can deform the pipe or damage the U-bolt threads.Use a calibrated torque wrench to tighten nuts to the manufacturer's recommended torque specifications for the specific pipe size and material.
Using the wrong size U-bolt for the pipe diameter, leading to a loose or overly constricted fit.Verify the nominal pipe size and ensure the U-bolt's inside dimensions are appropriate for a snug yet unhindered fit.

Common Applications

  • Piping and conduit support in commercial buildings
  • Securing pipes in industrial machinery and equipment
  • Plumbing and HVAC system installations

⚠️ Engineering Warnings

  • Ensure all mating hardware (nuts and washers) is compatible with the U-bolt material and thread size.
  • Always consult relevant engineering drawings and specifications for correct torque values and installation procedures.

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, 3" Pipe made from?

A: This Carbon Steel U-Bolt, 3" Pipe is manufactured from Carbon Steel.

Q: What are the main applications?

A: Piping and conduit support in commercial buildings, Securing pipes in industrial machinery and equipment, Plumbing and HVAC system installations.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.12"B3.52"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.