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3" 304 Stainless Steel U-Bolt | 1/2"-13 Thread | Corrosion Resistant

Expert Overview

Engineered for robust pipe support, this 3" U-bolt is crafted from premium 304 stainless steel, ensuring exceptional strength and corrosion resistance in diverse applications.

StandardISO 9001
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)3.45"
Inside Length ( B)2.64"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 3" pipe U-bolt guarantees a precise fit and secure fastening. Constructed from high-grade 304 stainless steel, it exhibits superior resistance to oxidation and corrosion, making it ideal for marine, chemical processing, and outdoor installations. The inside width (A) measures 3.45 inches, and the inside length (B) is 2.64 inches, providing ample clearance for standard 3-inch nominal pipe. Its robust 1/2"-13 UNC threads ensure a strong mechanical connection, capable of withstanding significant tensile and shear forces.

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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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🌱 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."
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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 3" pipe, ensuring it sits flush against the mounting surface. 2. Thread the accompanying nuts onto the U-bolt legs until snug. 3. Tighten the nuts evenly in an alternating pattern to achieve the specified torque, ensuring uniform pressure and secure clamping.

Equivalent Standards (Cross-Reference)

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

Mechanical Properties

Tensile Strength75,000 psi (515 MPa)
Yield Strength30,000 psi (205 MPa)
Elongation in 2 in.40% min
HardnessRockwell B95 max

Chemical Composition

Carbon (C)0.08% max
Chromium (Cr)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Over-tightening the nuts, which can deform the pipe or the U-bolt.Use a torque wrench set to the manufacturer's recommended specification for the chosen fasteners.
Using a U-bolt that is not rated for the environmental conditions, leading to premature corrosion.Select U-bolts made from appropriate corrosion-resistant materials like 304 stainless steel for marine or chemical environments.

Common Applications

  • Pipe support and anchoring in plumbing systems
  • Marine applications for securing boat rigging and pipes
  • Chemical processing plants requiring corrosion-resistant fasteners
  • Outdoor structural support and conduit mounting

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the specific environmental conditions (e.g., salt water, chemical exposure).
  • Always use appropriate torque specifications to prevent over-stressing the bolt or the pipe.

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 304 Stainless Steel U-Bolt, 3" Pipe made from?

A: This 304 Stainless Steel U-Bolt, 3" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Pipe support and anchoring in plumbing systems, Marine applications for securing boat rigging and pipes, Chemical processing plants requiring corrosion-resistant fasteners, Outdoor structural support and conduit mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.45"B2.64"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.