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316 Stainless Steel U-Bolt for 3" Pipe | 3.64" W x 4" 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 precise dimensions ensure reliable support in challenging industrial and marine applications.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.64"
Inside Length ( B)4.00"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 316 stainless steel U-bolt provides exceptional resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and food/beverage industries. With an inside width of 3.64" (A) and an inside length of 4.00" (B), it is precisely dimensioned to accommodate 3" nominal pipe. The robust 1/2"-13 UNC threads offer substantial load-bearing capacity and secure fastening. The inherent passivation of 316 stainless steel ensures longevity and integrity even in highly aggressive environments, fulfilling stringent industrial requirements.

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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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🚀 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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Certified:ISO 9001 Compliant

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Select appropriate U-bolt size to ensure a snug fit around the 3" nominal pipe. 2. Position U-bolt to straddle the pipe and align with mounting surface. 3. Secure U-bolt by tightening the provided nuts evenly onto the threaded legs until firm resistance is met, ensuring no pipe 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
Using the wrong U-bolt diameter for the pipe size, leading to loose or overly compressed pipe.Verify the nominal pipe size against the U-bolt's inside dimensions (A) to ensure a proper fit. The inside width should accommodate the pipe's outer diameter with minimal gap.
Inadequate tightening of the nuts, resulting in insufficient clamping force and potential vibration-induced loosening.Tighten both nuts symmetrically and firmly. Torque specifications should be considered based on the application's load requirements, referencing industry standards if necessary.

Common Applications

  • Marine and offshore structural support
  • Chemical processing plant piping
  • Food and beverage processing equipment
  • Water treatment facilities
  • General industrial pipe securing

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (washers, nuts) with 316 stainless steel to prevent galvanic corrosion.
  • Avoid over-tightening 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 and offshore structural support, Chemical processing plant piping, Food and beverage processing equipment, Water treatment facilities, General industrial pipe securing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.64"B4.00"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.