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3" Carbon Steel U-Bolt | 1/2"-13 Thread | 2.87" x 4.20"

Expert Overview

Engineered for robust pipe support, this 3" Carbon Steel U-Bolt features a 1/2"-13 thread size and precisely measured dimensions. It offers exceptional strength and durability for critical infrastructure.

StandardDIN 933
MaterialCarbon Steel
FinishAnodized
GradeN/A
Inside Width ( A)2.87"
Inside Length ( B)4.20"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this Carbon Steel U-Bolt is designed for demanding industrial applications. It boasts an inside width (A) of 2.87" and an inside length (B) of 4.20", accommodating 3" nominal pipe sizes. The 1/2"-13 UNC thread provides secure fastening with compatible nuts and washers. Crafted from high-grade carbon steel, it offers superior tensile strength and resistance to corrosion in typical operating environments, ensuring long-term structural integrity.

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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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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 evenly on the supporting structure. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Tighten the nuts incrementally and alternately to achieve uniform clamping pressure. Ensure the pipe is firmly secured 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 / ExposedModerate
Marine / SaltwaterNot Recommended
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Overtightening nuts, leading to pipe deformation or U-bolt fatigue.Tighten nuts to the manufacturer's recommended torque specifications or until snug and the pipe is securely held. Avoid excessive force.
Using incorrect thread size or type of fasteners.Always use the specified 1/2"-13 nuts and washers that match the U-bolt's thread size for optimal holding power and safety.

Common Applications

  • Pipe clamping and support in plumbing systems
  • Securing conduit and cable trays
  • Vibration damping and structural bracing in machinery

⚠️ Engineering Warnings

  • Ensure U-bolt is rated for the specific load and environmental conditions.
  • Periodically inspect for signs of wear, corrosion, or loosening.

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: Pipe clamping and support in plumbing systems, Securing conduit and cable trays, Vibration damping and structural bracing in machinery.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.87"B4.20"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.