Home > U-Bolts > 304 Stainless Steel U-Bolt, 3" Pipe

304 Stainless Steel U-Bolt | 3" Pipe | 3.45" W x 5.75" L | 1/2"-13 Thread

Expert Overview

Engineered for reliable pipe support, this 304 stainless steel U-bolt is designed to securely accommodate 3" nominal pipe. Its robust construction ensures long-term performance in challenging environments.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.45"
Inside Length ( B)5.75"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is fabricated from premium 304 stainless steel, offering exceptional resistance to corrosion, oxidation, and a wide range of chemicals, making it ideal for marine, chemical processing, and food and beverage applications. The precise dimensions ensure a snug fit for 3" nominal pipe, with an Inside Width (A) of 3.45 inches and an Inside Length (B) of 5.75 inches. The 1/2"-13 UNC threads provide ample strength for secure fastening, allowing for robust and dependable pipe stabilization under demanding operational 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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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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🛡️ 24/7 Application Support
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🌱 Climate Positive 2030
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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🛡️ Lifetime Return Policy
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 aligned with the mounting surface. 2. Thread the nuts onto the U-bolt legs until snug, applying even pressure on both sides. 3. Tighten the nuts to the recommended torque specification for the application, ensuring a secure and stable connection.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 the nuts, which can deform the pipe or the U-bolt.Use a torque wrench to tighten nuts to the manufacturer's recommended specification for the pipe size and application.
Using the wrong size U-bolt for the pipe diameter, leading to a loose or damaged fitting.Always verify the pipe's nominal and actual outer diameter against the U-bolt's inside dimensions before installation.

Common Applications

  • Pipe and conduit support systems
  • Marine and offshore structures
  • Chemical processing equipment
  • Food and beverage processing plants

⚠️ Engineering Warnings

  • Ensure compatibility of the 304 stainless steel with the specific chemical environment to prevent galvanic corrosion or material degradation.
  • Always use appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.

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 and conduit support systems, Marine and offshore structures, Chemical processing equipment, Food and beverage processing plants.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.45"B5.75"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.