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304 Stainless Steel U-Bolt for 4" Pipe - 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt is designed to securely fasten 4-inch diameter pipes. Its superior corrosion resistance ensures longevity in demanding environments.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.33"
Inside Length ( B)3.01"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is constructed from high-grade 304 stainless steel, offering exceptional resistance to rust and corrosion, making it ideal for marine, chemical processing, and outdoor applications. Featuring an inside width (A) of 3.33 inches and an inside length (B) of 3.01 inches, it is precisely engineered to accommodate standard 4-inch nominal pipe. The robust 1/2"-13 UNC thread size ensures secure fastening with compatible nuts and washers (sold separately), providing reliable structural support and vibration dampening for your critical infrastructure.

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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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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 4-inch pipe, ensuring it rests evenly on the pipe's exterior. 2. Place the U-bolt through the designated mounting holes or saddle. 3. Secure the U-bolt by threading nuts onto the bolt ends, tightening them evenly to the required torque specification for your 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
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal diameter and select a U-bolt with compatible inside dimensions. Refer to the product specifications for precise fit.
Over-tightening or under-tightening the nuts.Tighten nuts evenly and gradually to the recommended torque. Over-tightening can deform the pipe or U-bolt, while under-tightening can lead to movement and potential failure.
Using non-stainless steel hardware in corrosive environments.Always use compatible stainless steel nuts and washers with 304 stainless steel U-bolts to maintain corrosion resistance and prevent galvanic corrosion.

Common Applications

  • Pipe Hangers and Supports
  • Marine and Offshore Structures
  • Chemical Processing Plants
  • Food and Beverage Industry
  • Wastewater Treatment Facilities

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to avoid damaging the pipe or the U-bolt.
  • For critical applications, consult with a structural engineer to determine the appropriate U-bolt size, material, and load capacity.

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, 4" Pipe made from?

A: This 304 Stainless Steel U-Bolt, 4" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Pipe Hangers and Supports, Marine and Offshore Structures, Chemical Processing Plants, Food and Beverage Industry, Wastewater Treatment Facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.33"B3.01"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.