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304 Stainless Steel U-Bolt for 3" Pipe | 4.30" W x 2.75" L | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures reliable and corrosion-resistant anchoring for 3" diameter piping systems in industrial and marine applications.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.30"
Inside Length ( B)2.75"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is meticulously crafted from premium 304 stainless steel, offering superior resistance to corrosion and oxidation, ideal for harsh environments. Featuring an inside width (A) of 4.30 inches and an inside length (B) of 2.75 inches, it precisely accommodates standard 3" nominal pipe sizes. The robust 1/2"-13 UNC thread size provides exceptional load-bearing capacity and secure fastening. Its material composition ensures longevity and performance in chemical processing, wastewater treatment, offshore platforms, and food/beverage production where hygiene and material integrity are paramount.

🧊 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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🛡️ 24/7 Application Support
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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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🛡️ 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. 2. Place the accompanying backing plate (if applicable) and thread the nuts onto the bolt legs. 3. Tighten the nuts evenly and securely, applying the recommended torque specification for the thread size and application.

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 bolt threads.Utilize a torque wrench to apply the manufacturer's recommended torque for the 1/2"-13 thread size and the specific pipe material.
Using a U-bolt with insufficient thread length or diameter for the anticipated load.Verify that the U-bolt's thread size and overall dimensions are appropriate for the pipe's diameter and the operational stress it will endure.

Common Applications

  • Pipe support and anchoring in corrosive environments
  • Marine and offshore structural applications
  • Chemical processing and handling systems
  • Food and beverage processing lines

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the specific environmental conditions and potential chemical exposure.
  • Always use appropriate safety equipment, including gloves and eye protection, during installation.

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 anchoring in corrosive environments, Marine and offshore structural applications, Chemical processing and handling systems, Food and beverage processing lines.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.30"B2.75"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.