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304 Stainless Steel U-Bolt | 3" Pipe | 1/2"-13 Thread

Expert Overview

Engineered for superior corrosion resistance, this 304 stainless steel U-bolt is specifically designed to secure 3-inch diameter piping systems with its robust construction and precise dimensions.

StandardASTM A106
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)2.95"
Inside Length ( B)3.63"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this 3" pipe U-bolt is fabricated from high-grade 304 stainless steel, offering exceptional resistance to corrosion and oxidation in diverse environments. Its precise inside width of 2.95 inches and inside length of 3.63 inches ensure a secure fit around standard 3-inch nominal pipe. The 1/2"-13 UNC thread provides reliable fastening capacity, making it ideal for structural support and pipe hanging applications in chemical processing, marine, and food/beverage industries where hygiene and material integrity 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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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, ensuring it is centered. 2. Place the backing plate (if applicable) and thread the nuts onto the U-bolt legs. 3. Tighten nuts evenly to achieve the required clamping force, ensuring the pipe is held securely 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
Over-tightening U-bolt nuts, potentially deforming the pipe.Use a torque wrench and adhere to recommended torque specifications for the thread size and application.
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal and actual outside diameter to select the correct U-bolt inside width.

Common Applications

  • Pipe support and suspension
  • Structural framing
  • Marine hardware applications

⚠️ Engineering Warnings

  • Ensure compatibility with the specific chemical or environmental exposure.
  • Regularly inspect for signs of corrosion or mechanical stress in critical applications.

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 suspension, Structural framing, Marine hardware applications.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.95"B3.63"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.