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304 Stainless Steel U-Bolt | 3" Pipe | 3.54" W x 3.40" L | 1/2"-13 Thread

Expert Overview

This 304 stainless steel U-bolt provides robust and corrosion-resistant fastening for 3" nominal pipe. Engineered for superior structural integrity in demanding environments.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)3.54"
Inside Length ( B)3.40"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this U-bolt features an inside width (A) of 3.54" and an inside length (B) of 3.40", specifically designed to accommodate standard 3" nominal pipe dimensions. Constructed from premium 304 stainless steel, it offers exceptional resistance to corrosion, oxidation, and a broad range of chemicals, making it ideal for marine, chemical processing, and outdoor applications where environmental degradation is a concern. The 1/2"-13 UNC thread size ensures secure and reliable attachment with compatible nuts and washers, delivering steadfast support and load bearing.

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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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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 securely against the mounting surface. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Use appropriate wrenches to tighten the nuts evenly, applying consistent torque to achieve a secure fit without over-stressing the pipe or mounting surface.

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
Selecting the wrong U-bolt size for the pipe.Always verify the nominal pipe size and consult the U-bolt's inside width and length specifications to ensure a proper fit.
Using standard steel U-bolts in corrosive environments.Opt for 304 stainless steel for applications exposed to moisture, saltwater, chemicals, or high humidity to prevent premature rust and failure.

Common Applications

  • Pipe support and clamping in marine environments
  • Securing conduit and tubing in chemical processing plants
  • Structural mounting of pipes in outdoor infrastructure projects

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to avoid damaging the pipe or mounting substrate.
  • Always use appropriate grade 304 stainless steel nuts and washers for optimal corrosion resistance and load bearing.

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 processing plants, Structural mounting of pipes in outdoor infrastructure projects.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.54"B3.40"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.