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

3" 304 Stainless Steel U-Bolt | 1.83" W x 3.11" L | 1/2"-13 Thread

Expert Overview

Engineered for superior corrosion resistance, this 304 stainless steel U-bolt secures 3" piping systems. Its robust construction and precise dimensions ensure reliable, long-lasting performance in demanding environments.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)1.83"
Inside Length ( B)3.11"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 304 stainless steel U-bolt offers exceptional corrosion resistance, making it ideal for marine, chemical processing, and food/beverage applications. With an inside width (A) of 1.83 inches and an inside length (B) of 3.11 inches, it is designed to accommodate a 3-inch nominal pipe size. The 1/2"-13 UNC thread size provides robust load-bearing capacity and compatibility with standard nuts and washers. Manufactured from high-grade 304 stainless steel, it maintains structural integrity and prevents galvanic corrosion in aggressive environments, ensuring extended service life and operational reliability.

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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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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 proper alignment with mounting surface. 2. Thread the nuts onto the U-bolt legs, finger-tightening initially. 3. Using appropriate tools, tighten the nuts evenly and securely to the recommended torque specification for the pipe and mounting system.

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
Over-tightening U-bolt nuts, which can deform the pipe or mounting surface.Refer to pipe and mounting system manufacturer specifications for correct torque values. Use a torque wrench for precise application.
Using the wrong size U-bolt for the pipe, leading to an insecure or damaged installation.Verify the nominal pipe size and U-bolt dimensions (inside width and length) before installation. Ensure a snug fit without excessive force.

Common Applications

  • Marine plumbing and exhaust systems
  • Chemical processing plant piping
  • Food and beverage industry pipelines
  • General pipe support and fastening

⚠️ Engineering Warnings

  • Ensure compatibility of mounting hardware (nuts, washers) with 304 stainless steel to prevent galvanic corrosion.
  • Always consult relevant industry standards and safety guidelines for pipe support 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: Marine plumbing and exhaust systems, Chemical processing plant piping, Food and beverage industry pipelines, General pipe support and fastening.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.83"B3.11"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.