Home > U-Bolts > 316 Stainless Steel U-Bolt, 4" Pipe

4" 316 Stainless Steel U-Bolt | 4.66" W x 5.05" L | Corrosion Resistant

Expert Overview

This 4-inch 316 stainless steel U-bolt provides robust and corrosion-resistant support for pipes and conduits in demanding environments. Engineered for superior durability and longevity.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.66"
Inside Length ( B)5.05"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 316 stainless steel U-bolt offers exceptional strength and resistance to pitting, crevice corrosion, and general corrosion, particularly in chloride-containing environments. With an inside width (A) of 4.66 inches and an inside length (B) of 5.05 inches, it is specifically designed for securing 4-inch nominal pipe sizes. The 1/2"-13 UNC thread size ensures compatibility with standard fastening hardware, facilitating secure and reliable installations for applications exposed to saltwater, chemicals, or high humidity.

🧊 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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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
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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 pipe, ensuring the pipe is seated within the curve. 2. Place the provided backing plate (if applicable) and thread the nuts onto the U-bolt legs. 3. Tighten nuts evenly on both sides to achieve the required clamping force, ensuring the pipe is securely held without deformation.

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
Overtightening, which can deform the pipe or the U-bolt.Use a torque wrench to apply the recommended tightening torque specified for the application and hardware.
Using a lower grade of stainless steel in corrosive environments, leading to premature failure.Always select 316 stainless steel for marine, chemical, or high-salinity applications to ensure long-term corrosion resistance.

Common Applications

  • Marine vessel piping and conduit support
  • Chemical processing equipment and pipelines
  • Wastewater treatment facilities
  • Food and beverage processing plants
  • Offshore oil and gas platforms

⚠️ Engineering Warnings

  • Ensure compatibility of thread size and dimensions with the pipe and mounting surface before installation.
  • Always use appropriate personal protective equipment (PPE) during 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 316 Stainless Steel U-Bolt, 4" Pipe made from?

A: This 316 Stainless Steel U-Bolt, 4" Pipe is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine vessel piping and conduit support, Chemical processing equipment and pipelines, Wastewater treatment facilities, Food and beverage processing plants, Offshore oil and gas platforms.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.66"B5.05"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.