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316 Stainless Steel U-Bolt | 3" Pipe | 3.18" W x 3.97" L | Corrosion Resistant

Expert Overview

This 316 Stainless Steel U-Bolt is engineered for robust pipe support in corrosive industrial applications. Its premium material ensures exceptional longevity and performance.

StandardASTM A106
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)3.18"
Inside Length ( B)3.97"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is fabricated from high-grade 316 stainless steel, offering superior resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and food & beverage industries. The precise dimensions of 3.18" inside width (A) and 3.97" inside length (B) are optimized for secure mounting of 3" nominal pipe, ensuring a stable and reliable connection. The robust 1/2"-13 thread size provides substantial clamping force and compatibility with standard nuts and washers for a secure installation.

🧊 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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🏆 Global Innovation Leader
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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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🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
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🚀 US Military Approved
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🛡️ Lifetime Return Policy
Green Manufacturing
🌱 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" pipe, ensuring it is centered. 2. Place the pipe and U-bolt assembly against the mounting surface or support structure. 3. Secure the U-bolt by threading the 1/2"-13 nuts onto the bolt legs, tightening evenly on both sides.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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.Always verify the nominal pipe size against the U-bolt's inside dimensions to ensure a proper fit and secure support.
Insufficient tightening of the U-bolt nuts.Tighten nuts evenly on both sides to achieve the specified clamping force and prevent pipe movement or slippage.
Using carbon steel U-bolts in corrosive environments.Select 316 stainless steel U-bolts for applications exposed to saltwater, chemicals, or high humidity to prevent premature corrosion and failure.

Common Applications

  • Marine pipe and conduit support
  • Chemical processing plant piping
  • Food and beverage industry equipment mounting
  • Offshore oil and gas platforms
  • Wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure compatibility with all surrounding materials to prevent galvanic corrosion.
  • Do not exceed the recommended load capacity for this U-bolt, consult engineering specifications.
  • Regularly inspect for signs of wear or corrosion, 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 pipe and conduit support, Chemical processing plant piping, Food and beverage industry equipment mounting, Offshore oil and gas platforms, Wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.18"B3.97"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.