Home > U-Bolts > 304 Stainless Steel U-Bolt, 3" Pipe

304 Stainless Steel U-Bolt 3" Pipe | 3.5" Width x 4.72" Length

Expert Overview

This 304 stainless steel U-bolt is engineered for secure pipe support, offering superior corrosion resistance for demanding environments. Precisely manufactured to fit 3" nominal pipe.

StandardISO 9001
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)3.50"
Inside Length ( B)4.72"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this 304 stainless steel U-bolt provides exceptional durability and corrosion resistance, making it ideal for marine, chemical processing, and outdoor applications. The material's inherent chromium and nickel content ensures a passive oxide layer, protecting against rust and pitting. With an inside width (A) of 3.50 inches and an inside length (B) of 4.72 inches, it is designed to securely accommodate a 3-inch nominal pipe. The robust 1/2"-13 UNC threads allow for reliable fastening with standard nuts and washers.

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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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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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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 and through the mounting surface or bracket. 2. Thread the nuts onto the U-bolt legs. 3. Tighten the nuts evenly on both sides to secure the pipe without over-compressing it.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 a U-bolt not rated for the specific environment (e.g., non-stainless in corrosive areas).Always select a U-bolt manufactured from material suitable for the intended application's environmental conditions, such as 304 or 316 stainless steel for corrosive or marine settings.
Over-tightening the U-bolt, which can deform the pipe or mounting surface.Tighten the nuts until snug and the pipe is securely held, but avoid excessive force that could cause damage. Use a torque wrench if specified for critical applications.

Common Applications

  • Pipe support and anchoring in marine environments
  • Securing conduits and tubing in chemical processing plants
  • General-purpose pipe fastening in outdoor structural applications

⚠️ Engineering Warnings

  • Ensure proper thread engagement for all nuts.
  • Periodically inspect for signs of corrosion or wear, especially in harsh environments.

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 anchoring in marine environments, Securing conduits and tubing in chemical processing plants, General-purpose pipe fastening in outdoor structural applications.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.50"B4.72"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.