Home > U-Bolts > Carbon Steel U-Bolt, 3" Pipe

3" Carbon Steel U-Bolt | 1/2"-13 Thread | 7" Length

Expert Overview

This heavy-duty U-bolt, forged from durable carbon steel, provides secure and reliable support for 3-inch diameter pipes. Engineered for exceptional load-bearing capacity and longevity in demanding environments.

StandardDIN 933
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.17"
Inside Length ( B)7.06"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this carbon steel U-bolt is precision-manufactured to exacting tolerances for critical infrastructure. Featuring an inside width (A) of 1.17 inches and an inside length (B) of 7.06 inches, it accommodates standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC thread size ensures a strong, secure fastening point. Constructed from high-grade carbon steel, it offers superior tensile strength and resistance to corrosion and abrasion, making it ideal for a wide range of industrial applications where reliable pipe support is paramount.

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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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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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. Position the U-bolt around the pipe, ensuring it rests on a suitable support structure. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Torque nuts to the manufacturer's recommended specification for the pipe size and application to ensure a secure and vibration-resistant fit.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 the U-bolt, which can deform the pipe or support structure.Use a torque wrench and adhere to specified torque values for the given pipe and U-bolt size.
Using a U-bolt with insufficient thread engagement or incorrect thread pitch.Verify the U-bolt's thread size and length are appropriate for the intended application and provide adequate thread engagement.

Common Applications

  • Industrial piping systems
  • Plumbing and HVAC installations
  • Structural support for conduits and mechanical components

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the weight and vibration load of the supported system.
  • Always use appropriate safety equipment, including gloves and eye protection, 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, 3" Pipe made from?

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

Q: What are the main applications?

A: Industrial piping systems, Plumbing and HVAC installations, Structural support for conduits and mechanical components.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.17"B7.06"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.