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304 Stainless Steel U-Bolt for 3" Pipe - 4.39" Width

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures secure mounting for 3" diameter pipes. Its superior corrosion resistance makes it ideal for harsh industrial and marine settings.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Width ( A)4.39"
Inside Length ( B)2.10"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is constructed from premium 304 stainless steel, offering exceptional resistance to corrosion, rust, and oxidation, even in challenging environments. Its precise dimensions include an inside width (A) of 4.39 inches, an inside length (B) of 2.10 inches, and a robust 1/2"-13 thread size, ensuring a secure and reliable fit for 3" nominal pipe. This specification guarantees optimal load-bearing capacity and longevity in demanding industrial, chemical processing, and marine applications where material integrity is paramount.

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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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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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 straddles the pipe. 2. Place the U-bolt over the mounting surface or bracket, aligning the threaded ends. 3. Secure the U-bolt by threading the nuts onto the bolt ends, tightening evenly to the specified torque.

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
Overtightening the nuts, which can deform the pipe or bracket.Use a torque wrench to tighten nuts to the recommended specification for the pipe and mounting surface.
Using a U-bolt with incorrect dimensions for the pipe size.Always verify the pipe's nominal and outside diameter to ensure the U-bolt's inside width and length are appropriate.

Common Applications

  • Pipe and conduit support in corrosive environments
  • Marine and offshore installations
  • Chemical processing plants
  • Food and beverage industry plumbing

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to prevent damage to the pipe or mounting surface.
  • 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: Pipe and conduit support in corrosive environments, Marine and offshore installations, Chemical processing plants, Food and beverage industry plumbing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.39"B2.10"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.