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304 Stainless Steel U-Bolt for 3" Pipe - 4.78" W x 6.06" L

Expert Overview

This 304 stainless steel U-bolt is engineered for robust pipe support, specifically for 3" nominal pipe sizes. Its superior corrosion resistance ensures long-term performance in challenging industrial and marine applications.

StandardASME B18
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)4.78"
Inside Length ( B)6.06"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt features a robust 304 stainless steel construction, offering excellent resistance to corrosion, oxidation, and pitting in diverse environments. With an inside width (A) of 4.78 inches and an inside length (B) of 6.06 inches, it is precisely designed to accommodate a 3" nominal pipe diameter. The substantial 1/2"-13 UNC thread size on both legs provides secure fastening capabilities, ensuring stable and vibration-resistant support for piping systems in chemical processing, marine, food and beverage, and wastewater treatment industries.

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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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🏆 Global Innovation Leader
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🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
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🚀 Formula 1 & Aerospace OEM
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🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 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. Ensure the pipe is properly positioned and supported. 2. Place the U-bolt around the pipe, aligning the legs with the mounting surface. 3. Secure the U-bolt by threading the nuts onto the legs, tightening evenly in a star pattern. 4. Verify the U-bolt is snug and the pipe is held firmly without deformation.

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
Over-tightening the U-bolt, which can deform the pipe or the U-bolt itself.Tighten nuts gradually and evenly, using a torque wrench to achieve the manufacturer's recommended torque specifications.
Using the wrong size U-bolt for the pipe, leading to inadequate support or damage.Always confirm the nominal pipe size and measure the U-bolt's inside dimensions (width and length) to ensure a proper fit.

Common Applications

  • Pipe clamping and support in industrial plumbing
  • Marine hardware and structural support
  • Vibration dampening in machinery mounting

⚠️ Engineering Warnings

  • Ensure proper torque is applied to avoid damaging the pipe or fastener.
  • Regular inspection for corrosion or damage is recommended in harsh environments.

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 clamping and support in industrial plumbing, Marine hardware and structural support, Vibration dampening in machinery mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.78"B6.06"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.