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

Expert Overview

This 304 stainless steel U-bolt is engineered for robust pipe support in corrosive and high-moisture industrial settings, ensuring long-term structural integrity and reliable performance.

StandardISO 9001
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)2.46"
Inside Length ( B)6.81"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is fabricated from premium 304 stainless steel, offering superior corrosion resistance against a wide spectrum of chemicals and environmental factors. The precise dimensions include an inside width (A) of 2.46 inches, accommodating standard 3-inch nominal pipe, and an inside length (B) of 6.81 inches for ample clearance and secure fastening. It features a robust 1/2"-13 UNC thread size, enabling secure attachment with compatible nuts and washers. Ideal for marine, chemical processing, food and beverage, and wastewater treatment applications where material degradation is a critical concern.

🧊 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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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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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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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 is centered and parallel to the pipe's axis. 2. Place the provided or equivalent backing plate (if applicable) against the mounting surface. 3. Secure the U-bolt by threading the nuts onto the bolt ends, tightening them evenly on both sides to achieve uniform clamping pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 size U-bolt for the pipe diameter.Always verify the pipe's nominal diameter and select a U-bolt with an inside width that correctly matches or slightly exceeds it, ensuring a snug fit without over-compression.
Insufficient or uneven tightening of nuts.Tighten nuts incrementally and alternately on each leg of the U-bolt to distribute stress evenly and prevent pipe deformation or inadequate support.
Using non-stainless steel hardware in corrosive environments.Ensure all fasteners (nuts and washers) are also made of 304 stainless steel or a compatible corrosion-resistant material to prevent galvanic corrosion and maintain overall integrity.

Common Applications

  • Pipe support in chemical processing plants
  • Marine and offshore structural applications
  • Food and beverage processing equipment mounting
  • Wastewater treatment infrastructure

⚠️ Engineering Warnings

  • Ensure proper thread engagement when tightening nuts to prevent stripping.
  • Do not exceed the recommended torque specifications for the fasteners to avoid damage to the pipe or mounting surface.

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 in chemical processing plants, Marine and offshore structural applications, Food and beverage processing equipment mounting, Wastewater treatment infrastructure.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.46"B6.81"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.