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316 Stainless Steel U-Bolt for 3" Pipe - 4.88" W x 3.14" L

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt is designed to securely fasten 3" nominal pipe. Its robust construction and premium material ensure long-lasting performance in demanding environments.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.88"
Inside Length ( B)3.14"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this 316 stainless steel U-bolt offers exceptional durability and resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and food industry applications. Featuring a 4.88" inside width (A) and 3.14" inside length (B), it is precisely engineered to accommodate standard 3" nominal pipe. The 1/2"-13 UNC thread size ensures secure attachment with compatible nuts and plates, providing a reliable clamping solution for critical infrastructure and equipment.

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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. Ensure the pipe is properly positioned and supported. 2. Place the U-bolt around the pipe and through the mounting surface or bracket. 3. Thread the accompanying nuts onto the U-bolt threads, tightening them evenly in an alternating pattern. 4. Torque nuts to the manufacturer's recommended specification for the specific application to ensure a secure and stable connection.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong U-bolt size for the pipe diameter, leading to a loose or insecure fit.Always verify the nominal pipe size and select a U-bolt with the correct inside width and length specifications.
Over-tightening or under-tightening the nuts, which can lead to material fatigue or insufficient clamping force.Use a calibrated torque wrench and adhere to recommended torque specifications for the specific application and materials.
Using standard carbon steel U-bolts in corrosive environments, resulting in premature rust and failure.Select 316 stainless steel for applications exposed to saltwater, chemicals, or other corrosive elements to ensure longevity and structural integrity.

Common Applications

  • Marine piping and exhaust systems
  • Chemical processing equipment support
  • Food and beverage processing line mounting
  • Offshore oil and gas installations
  • Wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure compatibility of mounting hardware (nuts, washers) with 316 stainless steel to prevent galvanic corrosion.
  • Regularly inspect U-bolts for signs of wear, corrosion, or loosening, especially in harsh environments.

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 316 Stainless Steel U-Bolt, 3" Pipe made from?

A: This 316 Stainless Steel U-Bolt, 3" Pipe is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine piping and exhaust systems, Chemical processing equipment support, Food and beverage processing line mounting, Offshore oil and gas installations, Wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.88"B3.14"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.