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3" Carbon Steel U-Bolt | 1/2"-13 Thread | Industrial Grade

Expert Overview

This robust carbon steel U-bolt is engineered for secure and reliable support of 3" diameter piping in rigorous industrial settings. Features precise threading for dependable fastening.

StandardDIN 933
MaterialCarbon Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)2.33"
Inside Length ( B)4.68"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is forged from high-strength carbon steel, offering superior load-bearing capacity and corrosion resistance for long-term performance. The internal dimensions are precisely manufactured to accommodate standard 3" nominal pipe size (NPS) with an actual outside diameter of approximately 3.5". The inside width (A) measures 2.33 inches, and the inside length (B) is 4.68 inches, ensuring a snug and secure fit. Equipped with robust 1/2"-13 UNC threading on both legs, it provides ample surface area for secure fastening with accompanying nuts and washers (sold separately) for critical structural integrity and vibration dampening.

🧊 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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🏆 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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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
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 the mounting surface, ensuring proper alignment. 2. Thread the nuts onto the U-bolt legs, initially by hand to check for cross-threading. 3. Tighten the nuts evenly and securely using appropriate wrenches, applying torque as specified by engineering or project requirements, ensuring the pipe is held firmly without deformation.

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
Selecting a U-bolt with incorrect internal dimensions for the pipe's actual outside diameter.Always verify the actual outside diameter of the pipe to be supported and select a U-bolt with appropriate internal width and length for a secure fit.
Over-tightening or under-tightening the nuts, leading to pipe deformation or inadequate support.Utilize a torque wrench to apply the manufacturer's recommended torque or project-specified torque for optimal load distribution and pipe integrity.

Common Applications

  • Plumbing and HVAC pipe support
  • Structural steel and conduit securing
  • Machinery and equipment mounting

⚠️ Engineering Warnings

  • Ensure all nuts and washers are used for proper load distribution and secure fastening.
  • Verify material compatibility with the surrounding environment to prevent premature corrosion or degradation.

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: Plumbing and HVAC pipe support, Structural steel and conduit securing, Machinery and equipment mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.33"B4.68"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.