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304 Stainless Steel U-Bolt for 3" Pipe - 4.77" W x 5.34" L

Expert Overview

This 304 stainless steel U-bolt is engineered for secure fastening of 3-inch diameter piping. Offering superior corrosion resistance and robust support, it ensures long-term integrity in diverse industrial settings.

StandardASTM A106
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)4.77"
Inside Length ( B)5.34"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is precision-manufactured from high-grade 304 stainless steel, ensuring excellent tensile strength and exceptional resistance to corrosion, rust, and oxidation, even in harsh environments. It is designed to accommodate a 3" nominal pipe size, with an actual inside width (A) of 4.77" and an inside length (B) of 5.34". The U-bolt features a robust 1/2"-13 UNC thread pitch on both legs for secure attachment with corresponding nuts and washers. Its passivation treatment enhances surface cleanliness and further boosts corrosion resistance, making it ideal for marine, chemical processing, and food & beverage applications.

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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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🌱 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 3" pipe, ensuring it straddles the pipe evenly. 2. Place a mounting surface (e.g., a flat plate, beam, or saddle) against the threaded legs of the U-bolt. 3. Secure the U-bolt by threading the provided nuts onto the legs, tightening them evenly and firmly using appropriate wrenches. Ensure a snug fit without over-tightening.

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 the wrong U-bolt size for the pipe diameter.Always verify the nominal pipe size and select a U-bolt with the correct inside width and length to ensure a secure and proper fit.
Using carbon steel U-bolts in corrosive environments.For applications exposed to moisture, chemicals, or saltwater, opt for 304 or 316 stainless steel to prevent premature corrosion and failure.
Uneven tightening of the nuts.Tighten nuts alternating between each leg to ensure uniform pressure distribution and prevent stress concentration on the pipe or mounting surface.

Common Applications

  • Piping support in industrial facilities
  • Marine and offshore applications
  • Chemical processing and handling systems
  • Food and beverage manufacturing equipment

⚠️ Engineering Warnings

  • Ensure compatibility of the 304 stainless steel with the specific chemicals or environmental conditions of your application.
  • Always use appropriate torque specifications and matching hardware (nuts and washers) for secure installation.

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: Piping support in industrial facilities, Marine and offshore applications, Chemical processing and handling systems, Food and beverage manufacturing equipment.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.77"B5.34"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.