Home > U-Bolts > 304 Stainless Steel U-Bolt, 4" Pipe

304 Stainless Steel U-Bolt | 4" Pipe | 2.65" Width | 7.30" Length

Expert Overview

This robust 304 stainless steel U-bolt is engineered for secure and corrosion-resistant mounting of 4" diameter pipes. Its precise dimensions ensure a reliable, long-lasting solution for demanding industrial and marine applications.

StandardASTM A106
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)2.65"
Inside Length ( B)7.30"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt features a 4" nominal pipe size compatibility, with an inside width (A) of 2.65" and an inside length (B) of 7.30". Constructed from premium 304 stainless steel, it offers superior resistance to corrosion, oxidation, and pitting, making it ideal for marine, chemical processing, and outdoor environments where structural integrity is paramount. The 1/2"-13 UNC thread size ensures compatibility with standard hardware and facilitates secure fastening. Designed to withstand significant tensile and shear loads, this U-bolt meets rigorous industry standards for performance and durability.

🧊 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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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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🚀 US Military Approved
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🌱 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. Clean mounting surfaces and the pipe thoroughly. 2. Position the U-bolt around the pipe and through the mounting bracket or surface. 3. Thread the provided nuts onto the U-bolt threads and tighten evenly to secure the pipe, ensuring the pipe is held firmly without deformation.

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
Selecting a U-bolt for a pipe size that does not match the specified nominal pipe size, leading to improper fit and potential failure.Always verify the nominal pipe size compatibility and measure the actual pipe diameter to ensure the U-bolt's inside dimensions are appropriate.
Using inadequate tightening torque, which can result in pipe slippage or structural stress on the mounting system.Tighten nuts evenly on both sides to the recommended torque specification for the thread size and application to achieve a secure and stable mount.

Common Applications

  • Marine pipe and conduit support
  • Chemical processing equipment mounting
  • Outdoor structural pipe securing
  • Plumbing and HVAC system support

⚠️ Engineering Warnings

  • Ensure proper torque is applied to prevent over-tightening, which can damage the pipe or mounting surface.
  • Verify material compatibility with the surrounding environment to avoid galvanic corrosion if dissimilar metals are used in conjunction.

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, 4" Pipe made from?

A: This 304 Stainless Steel U-Bolt, 4" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Marine pipe and conduit support, Chemical processing equipment mounting, Outdoor structural pipe securing, Plumbing and HVAC system support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.65"B7.30"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.