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

304 Stainless Steel U-Bolt | 3" Pipe | 1.69" W x 4.74" L | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt is ideal for securing 3" nominal pipe diameters. Its superior corrosion resistance ensures long-term integrity in challenging applications.

StandardDIN 933
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.69"
Inside Length ( B)4.74"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-bolt is manufactured from premium 304 stainless steel, offering exceptional resistance to corrosion, oxidation, and pitting, making it suitable for marine, chemical processing, and outdoor environments. The U-bolt features an inside width (A) of 1.69 inches and an inside length (B) of 4.74 inches, precisely designed to accommodate standard 3-inch nominal pipe. The robust 1/2"-13 UNC thread size ensures secure fastening with compatible nuts and backing plates, providing reliable structural support and vibration dampening for critical piping systems.

🧊 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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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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🛡️ Lifetime Return Policy
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🌱 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 rests evenly on the pipe's outer surface. 2. Place the provided backing plate (if applicable) against the legs of the U-bolt. 3. Thread the nuts onto the U-bolt legs and tighten them progressively and evenly, alternating between nuts to achieve uniform clamping pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 nuts, leading to pipe deformation or stress.Tighten nuts to the recommended torque specification for the thread size and application, ensuring even pressure distribution.
Using the wrong size U-bolt for the pipe, resulting in an insecure or damaging fit.Always verify the pipe's nominal diameter and select a U-bolt with the correct inside width and length specifications.

Common Applications

  • Piping and conduit support in chemical processing plants
  • Marine vessel pipe and equipment securing
  • Structural support for plumbing and HVAC systems

⚠️ Engineering Warnings

  • Ensure compatibility of all fastening hardware (nuts, washers) with 304 stainless steel to prevent galvanic corrosion.
  • Do not exceed the maximum load rating of the U-bolt assembly for the intended application.

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: Piping and conduit support in chemical processing plants, Marine vessel pipe and equipment securing, Structural support for plumbing and HVAC systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.69"B4.74"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.