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304 Stainless Steel U-Bolt for 3" Pipe | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures lasting performance in demanding environments. Precisely manufactured for 3" nominal pipe applications, it offers exceptional corrosion resistance and structural integrity.

StandardDIN 933
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.70"
Inside Length ( B)2.99"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this 304 stainless steel U-bolt is engineered for secure and reliable pipe attachment. It features an inside width (A) of 1.70 inches and an inside length (B) of 2.99 inches, specifically designed to accommodate standard 3-inch nominal pipe diameters. The robust 1/2"-13 UNC coarse thread size provides ample tensile strength for heavy-duty applications. Constructed from premium 304 stainless steel, this U-bolt offers superior resistance to corrosion, oxidation, and pitting, making it ideal for marine, chemical processing, food and beverage, and outdoor installations where environmental factors can compromise lesser materials. Its precise manufacturing ensures a snug fit, minimizing vibration and stress on the pipe system.

🧊 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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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
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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 3" nominal pipe, ensuring the pipe is properly seated within the curvature of the bolt. 2. Align the threaded legs of the U-bolt with the mounting surface or bracket, ensuring parallel alignment. 3. Secure the U-bolt by threading the provided nuts onto the bolt legs. Tighten evenly in an alternating pattern to achieve uniform clamping pressure, ensuring a snug and stable fit without over-tightening.

Equivalent Standards (Cross-Reference)

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

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
Selecting the wrong U-bolt size for the pipe diameter.Always verify the nominal pipe size and consult the U-bolt's inside width and length specifications to ensure a proper fit.
Over-tightening the nuts, which can deform the pipe or damage the threads.Tighten nuts until snug and secure, applying even pressure. Use a torque wrench if precise specifications are required for the application.
Using the wrong material for the environment, leading to premature corrosion.Select U-bolts made of appropriate materials like 304 stainless steel for corrosive or high-moisture environments. Consult material compatibility charts if unsure.

Common Applications

  • Structural pipe support in plumbing and HVAC systems
  • Securing conduit and cables in industrial settings
  • Marine applications requiring corrosion resistance

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts) are properly tightened to prevent vibration-induced loosening.
  • Verify material compatibility with the surrounding environment to prevent premature corrosion.

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: Structural pipe support in plumbing and HVAC systems, Securing conduit and cables in industrial settings, Marine applications requiring corrosion resistance.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.70"B2.99"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.