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304 Stainless U-Bolt for 3" Pipe | 1/2"-13 Thread | Corrosion Resistant

Expert Overview

Engineered for superior longevity in harsh conditions, this 304 stainless steel U-bolt provides secure, corrosion-resistant support for 3" diameter piping systems. Precision manufactured for reliable performance.

StandardASTM A106
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)1.39"
Inside Length ( B)7.17"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is constructed from high-grade 304 stainless steel, offering exceptional resistance to corrosion, pitting, and crevice attack, particularly in marine, chemical processing, and food/beverage applications. With an inside width (A) of 1.39 inches and an inside length (B) of 7.17 inches, it is precisely engineered to accommodate standard 3-inch nominal pipe. The robust 1/2"-13 UNC thread size ensures a secure and reliable fastening, capable of withstanding significant tensile loads and vibration, making it suitable for critical infrastructure and heavy-duty equipment support.

🧊 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. Place the U-bolt around the 3" pipe, ensuring even contact. 2. Position the U-bolt over the mounting surface or support structure. 3. Secure the U-bolt by threading the nuts onto the bolt legs until firm, using appropriate torque specifications for the application.

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
Overtightening nuts, which can deform the pipe or damage threads.Use a calibrated torque wrench to adhere to recommended torque values for the specific pipe and application.
Selecting the wrong U-bolt size for the pipe diameter.Always verify the nominal pipe size and ensure the U-bolt's inside dimensions are compatible.

Common Applications

  • Marine and offshore installations
  • Chemical processing plants
  • Food and beverage production facilities
  • Plumbing and HVAC systems
  • General pipe and conduit support

⚠️ Engineering Warnings

  • Ensure proper grounding if used in electrical conduit applications.
  • Regularly inspect for signs of wear, corrosion, 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: Marine and offshore installations, Chemical processing plants, Food and beverage production facilities, Plumbing and HVAC systems, General pipe and conduit support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.39"B7.17"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.