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304 Stainless Steel U-Bolt for 3" Pipe - 4.42" W x 4.56" L

Expert Overview

Engineered for demanding environments, this 304 stainless steel U-bolt provides secure and corrosion-resistant support for 3" nominal pipe. Its robust construction ensures lasting integrity in industrial applications.

StandardASTM A106
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)4.42"
Inside Length ( B)4.56"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-bolt is fabricated from premium 304 stainless steel, offering exceptional resistance to corrosion, oxidation, and general wear in aggressive atmospheric and chemical conditions. With an inside width (A) of 4.42 inches and an inside length (B) of 4.56 inches, it is specifically designed to accommodate 3" nominal pipe diameters. The robust 1/2"-13 UNC thread provides substantial clamping force and reliable securement for conduit, pipe, or rod applications. This material selection ensures extended service life in marine, chemical processing, food and beverage, and other critical infrastructure sectors where material integrity is 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."
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🏆 Global Innovation Leader
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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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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 pipe, ensuring it is centered. 2. Place the accompanying backing plate or saddle (if applicable) against the pipe surface. 3. Thread the nuts onto the U-bolt legs and tighten evenly to the specified torque, ensuring secure pipe support without over-compression.

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
Incorrectly selecting U-bolt size for pipe diameter.Always verify the nominal pipe size and corresponding U-bolt dimensions to ensure a proper fit and secure clamping.
Using standard steel U-bolts in corrosive environments.Opt for 304 or 316 stainless steel for applications exposed to moisture, chemicals, or saltwater to prevent premature corrosion and failure.

Common Applications

  • Pipe and conduit support in marine environments
  • Securing plumbing and HVAC lines in chemical plants
  • Structural support for electrical conduit in food processing facilities

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to avoid deforming the pipe or U-bolt.
  • Verify material compatibility with the surrounding environment to prevent galvanic corrosion or premature degradation.

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 and conduit support in marine environments, Securing plumbing and HVAC lines in chemical plants, Structural support for electrical conduit in food processing facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.42"B4.56"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.