Home > U-Bolts > 304 Stainless Steel U-Bolt, 3" Pipe

3" 304 Stainless Steel U-Bolt | 1/2"-13 Thread | 6.75" Length

Expert Overview

This 3" pipe U-bolt is expertly crafted from premium 304 stainless steel, offering superior corrosion resistance for demanding applications. Engineered for a secure and reliable pipe mounting solution.

StandardISO 9001
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)1.36"
Inside Length ( B)6.75"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this 304 stainless steel U-bolt is designed to precisely fit a 3" nominal pipe size. Featuring an inside width (A) of 1.36" and an inside length (B) of 6.75", it ensures optimal clearance and support. The robust 1/2"-13 UNC threads provide substantial clamping force. The inherent properties of 304 stainless steel, including its excellent resistance to oxidation and a wide range of corrosive media, make this U-bolt ideal for marine, chemical processing, food and beverage, and outdoor structural applications where longevity and integrity are paramount.

🧊 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."
Market Rank
🏆 Global Innovation Leader
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🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
Green Manufacturing
🌱 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 is centered. 2. Place the accompanying mounting plate or saddle beneath the pipe, aligning the U-bolt legs through the designated holes. 3. Secure the U-bolt legs using the provided nuts, tightening them evenly and to the specified torque to ensure a firm and stable installation.

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
Using a U-bolt with an incorrect inner diameter for the pipe size.Always verify the U-bolt's inside width (A) against the actual outer diameter of the pipe, cross-referencing with the nominal pipe size specification.
Over-tightening or under-tightening the nuts.Utilize a torque wrench to tighten nuts to the manufacturer's recommended specification, ensuring a secure grip without deforming the pipe or U-bolt.

Common Applications

  • Pipe support and clamping in marine environments
  • Securing conduit and tubing in chemical plants
  • Mounting pipes in food and beverage processing facilities
  • Structural bracing for outdoor piping systems

⚠️ Engineering Warnings

  • Ensure the U-bolt material is compatible with the surrounding environment to prevent premature corrosion.
  • Always use appropriate safety gear, 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 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 clamping in marine environments, Securing conduit and tubing in chemical plants, Mounting pipes in food and beverage processing facilities, Structural bracing for outdoor piping systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.36"B6.75"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.