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304 Stainless Steel U-Bolt for 3" Pipe | 4.96" W x 5.63" L

Expert Overview

Engineered for exceptional corrosion resistance and robust support, this 304 stainless steel U-bolt securely fastens 3" pipes. Its durable construction ensures long-lasting performance in demanding environments.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.96"
Inside Length ( B)5.63"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is fabricated from premium 304 stainless steel, renowned for its superior resistance to corrosion, oxidation, and crevice corrosion, making it ideal for marine, chemical processing, and outdoor installations. The critical dimensions are an inside width (A) of 4.96 inches and an inside length (B) of 5.63 inches, precisely engineered to accommodate standard 3" nominal pipe sizes while providing ample clearance. Featuring a robust 1/2"-13 UNC thread size, it offers substantial tensile strength for secure and reliable mounting, capable of withstanding significant mechanical stress and vibration without compromise.

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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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🚀 Formula 1 & Aerospace OEM
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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 rests evenly on the saddle or mounting surface. 2. Thread the nuts onto the U-bolt legs, initially by hand to ensure proper engagement and alignment. 3. Tighten the nuts sequentially and alternately using appropriate wrenches until the desired secure fit is achieved, avoiding overtightening which could deform the pipe or mounting surface.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 standard steel U-bolts in corrosive environments.Always select 304 stainless steel or higher grades for applications exposed to moisture, chemicals, or saltwater to prevent premature rust and failure.
Overtightening nuts, leading to pipe deformation or thread stripping.Tighten nuts firmly but judiciously, using a torque wrench if precise load is critical, to ensure a secure fit without damaging components.

Common Applications

  • Marine pipe and conduit securing
  • Chemical processing equipment support
  • Outdoor structural pipe anchoring
  • Exhaust system mounting

⚠️ Engineering Warnings

  • Ensure proper thread engagement to prevent stripping or inadequate clamping force.
  • Verify compatibility of mating surfaces and hardware materials to avoid galvanic 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: Marine pipe and conduit securing, Chemical processing equipment support, Outdoor structural pipe anchoring, Exhaust system mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.96"B5.63"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.