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

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures secure mounting for 3" diameter pipes. Its superior corrosion resistance makes it ideal for demanding environments.

StandardASTM A106
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)1.67"
Inside Length ( B)7.21"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is constructed from premium 304 stainless steel, offering exceptional resistance to corrosion, oxidation, and pitting, especially in marine, chemical, and food processing environments. The precise dimensions ensure a secure fit for 3" nominal pipes, with an actual inside width (A) of 1.67 inches and an inside length (B) of 7.21 inches. The robust 1/2"-13 UNC thread size provides substantial tensile strength for reliable fastening. This U-bolt is designed to withstand significant load and vibration, maintaining structural integrity under stress. Its material composition ensures longevity and minimal maintenance in harsh conditions.

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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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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 is centered and aligned with the mounting surface. 2. Thread the included nuts onto the U-bolt legs, tightening them evenly to secure the pipe. 3. Torque the nuts to the manufacturer's recommended specification for the specific application and load requirements to prevent slippage and over-stressing the components.

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
Using the wrong U-bolt size for the pipe diameter.Always verify the nominal pipe size and the U-bolt's inside dimensions (width and length) to ensure a proper and secure fit.
Insufficient or uneven tightening of nuts.Tighten nuts symmetrically and to the correct torque specification to prevent pipe movement and premature fastener fatigue.
Using standard steel U-bolts in corrosive environments.Always select 304 stainless steel for applications exposed to moisture, chemicals, or saltwater to prevent rust and failure.

Common Applications

  • Marine pipe support
  • Industrial plumbing and conduit mounting
  • Chemical processing plant infrastructure
  • Food and beverage industry piping systems

⚠️ Engineering Warnings

  • Ensure proper torque is applied to prevent loosening under vibration or load.
  • Verify material compatibility with the surrounding environment to prevent premature corrosion or degradation.

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 pipe support, Industrial plumbing and conduit mounting, Chemical processing plant infrastructure, Food and beverage industry piping systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.67"B7.21"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.