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304 Stainless U-Bolt, 3" Pipe, 1.55" W x 4.13" L, 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures secure fastening for 3" nominal pipe. Its superior corrosion resistance makes it ideal for harsh and demanding industrial environments.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.55"
Inside Length ( B)4.13"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is meticulously crafted from premium 304 stainless steel, renowned for its exceptional resistance to corrosion, pitting, and crevice attack in saline and acidic conditions. With an inside width (A) of 1.55 inches and an inside length (B) of 4.13 inches, it is precisely dimensioned to accommodate standard 3-inch nominal pipe diameters while providing ample clearance. The robust 1/2"-13 UNC threads offer significant tensile strength and reliable load-bearing capacity, ensuring a secure and long-lasting connection for critical infrastructure, marine applications, and chemical processing.

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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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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 3" pipe, ensuring it rests securely in its intended mounting bracket or saddle. 2. Thread the provided nuts onto both ends of the U-bolt, hand-tightening initially to align the components. 3. Using appropriate wrenches, tighten the nuts evenly and progressively to achieve the specified torque, ensuring a firm and stable grip without overtightening.

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
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal and actual outer diameter against the U-bolt's internal dimensions to ensure a proper fit.
Insufficient tightening of the nuts, leading to potential movement or vibration-induced loosening.Tighten nuts to the manufacturer's recommended torque specifications, ensuring a secure and permanent installation.
Using standard steel U-bolts in corrosive environments, leading to premature failure.Select 304 stainless steel or higher grades for applications exposed to moisture, chemicals, or salt spray to guarantee longevity.

Common Applications

  • Marine pipe support systems
  • Chemical processing equipment mounting
  • Industrial plumbing and conduit securing
  • Offshore platform infrastructure

⚠️ Engineering Warnings

  • Ensure compatibility of the 304 stainless steel with the specific chemical or environmental exposure to prevent galvanic corrosion or stress cracking.
  • Always use appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.

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 pipe support systems, Chemical processing equipment mounting, Industrial plumbing and conduit securing, Offshore platform infrastructure.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.55"B4.13"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.