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

304 Stainless Steel U-Bolt | 3" Pipe | 2.24" W x 5.80" L | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt is designed to securely fasten 3" diameter pipes. Its superior corrosion resistance ensures longevity in harsh industrial and marine applications.

StandardASME B18
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)2.24"
Inside Length ( B)5.80"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 304 stainless steel U-bolt is precision-manufactured to meet stringent industrial standards. Featuring an inside width (A) of 2.24 inches and an inside length (B) of 5.80 inches, it is perfectly sized for 3" nominal pipe. The robust 1/2"-13 UNC thread size provides exceptional load-bearing capacity and secure fastening. Constructed from high-grade 304 stainless steel, it offers excellent resistance to a wide range of corrosive agents, making it ideal for chemical processing, food and beverage, marine environments, and general construction where durability and hygiene are 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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🏆 Global Innovation Leader
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Certified:ISO 9001, ISO 14001
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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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
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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🛡️ Lifetime Return Policy
Green Manufacturing
🌱 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. Position the U-bolt around the pipe, ensuring it rests on a suitable support structure or mounting surface. 2. Thread the accompanying nuts onto the U-bolt legs, hand-tightening initially. 3. Using appropriate wrenches, tighten the nuts evenly on both sides to achieve the required clamping force, ensuring the pipe is securely held without deformation.

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 a U-bolt with an incorrect pipe diameter, leading to a loose or overly constricted fit.Always verify the nominal pipe size and compare it with the U-bolt's inside dimensions (Width A and Length B) before installation.
Over-tightening the U-bolt nuts, which can deform the pipe or damage the threads.Tighten nuts incrementally and evenly. Use a torque wrench to adhere to manufacturer-specified torque values if available for the application.
Selecting a material not resistant to the specific environmental corrosives present.Confirm the material's compatibility (e.g., 304 stainless steel for general corrosion resistance) with the installation environment's chemical and atmospheric conditions.

Common Applications

  • Plumbing and Piping Systems
  • Marine and Offshore Structures
  • Chemical Processing Equipment
  • Industrial Support Structures

⚠️ Engineering Warnings

  • Ensure adequate thread engagement on both U-bolt legs for maximum load capacity.
  • Periodically inspect U-bolts for signs of corrosion, fatigue, or loosening, especially in aggressive 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: Plumbing and Piping Systems, Marine and Offshore Structures, Chemical Processing Equipment, Industrial Support Structures.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.24"B5.80"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.