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304 Stainless Steel U-Bolt - 3" Pipe | 3.28" W x 3.96" L

Expert Overview

This robust 304 stainless steel U-bolt is engineered for secure pipe support. Featuring a 3" nominal pipe size capacity, its superior corrosion resistance ensures long-term reliability in demanding industrial and marine settings.

StandardASTM A106
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)3.28"
Inside Length ( B)3.96"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 304 stainless steel U-bolt is precision-manufactured to reliably secure 3" nominal pipes. With an inside width (A) of 3.28 inches and an inside length (B) of 3.96 inches, it accommodates standard pipe dimensions. The 1/2"-13 UNC thread size provides ample strength for secure fastening. The inherent properties of 304 stainless steel, including excellent resistance to atmospheric corrosion, many organic and inorganic chemicals, and foodstuff processing environments, make this U-bolt a critical component for infrastructure and equipment in marine, chemical processing, and food and beverage industries.

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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."
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
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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."
Market Rank
🏆 #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 through the mounting surface. 2. Hand-tighten the nuts onto the threaded legs. 3. Torque the nuts to the manufacturer's recommended specification using a calibrated torque wrench, ensuring even pressure on both sides.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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
Overtightening the U-bolt nuts.Use a calibrated torque wrench and adhere to recommended torque values to prevent pipe deformation and premature fastener fatigue.
Using the wrong material for the environment.Ensure the 304 stainless steel is appropriate for the anticipated corrosive elements in the application to prevent premature failure.

Common Applications

  • Marine pipe securing
  • Chemical processing equipment support
  • Food and beverage plant infrastructure

⚠️ Engineering Warnings

  • Ensure proper thread engagement to achieve full tensile strength.
  • Regularly inspect U-bolts for signs of corrosion or wear, especially in harsh environments.

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: Marine pipe securing, Chemical processing equipment support, Food and beverage plant infrastructure.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.28"B3.96"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.