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316 Stainless Steel U-Bolt for 3" Pipe - 2.13" W x 6.18" L

Expert Overview

This robust 316 stainless steel U-bolt is engineered for secure and reliable clamping of 3-inch diameter piping. Its superior corrosion resistance makes it ideal for harsh marine, chemical, and food processing environments.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.13"
Inside Length ( B)6.18"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is manufactured from premium 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion in chloride-rich environments. The dimensions are precisely controlled with an inside width (A) of 2.13 inches and an inside length (B) of 6.18 inches, perfectly accommodating standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC threads provide ample engagement for secure fastening with compatible nuts and washers. This material choice ensures longevity and structural integrity under demanding operational conditions, making it suitable for critical infrastructure and specialized industrial applications.

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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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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 3-inch pipe, ensuring it contacts the pipe surface evenly. 2. Install the provided nuts and washers (sold separately) onto the threaded ends of the U-bolt. 3. Tighten the nuts alternately and evenly to the manufacturer's recommended torque specification for the thread size, ensuring a secure and stable fit without over-compression.

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 standard stainless steel (e.g., 304) in highly corrosive environments.Always specify and use 316 stainless steel for applications exposed to saltwater, chemicals, or other corrosive agents to prevent premature failure.
Improperly tightening nuts, leading to uneven pressure or insufficient clamping force.Utilize a torque wrench and tighten nuts alternately and evenly to the correct torque specification to ensure uniform stress distribution and optimal performance.

Common Applications

  • Marine hardware and rigging
  • Chemical processing equipment
  • Food and beverage industry piping
  • Offshore oil and gas infrastructure

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with the 1/2"-13 thread size and 316 stainless steel material.
  • Avoid overtightening, which can deform the pipe or damage the U-bolt threads.

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 hardware and rigging, Chemical processing equipment, Food and beverage industry piping, Offshore oil and gas infrastructure.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.13"B6.18"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.