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316 Stainless Steel U-Bolt for 3" Pipe - 3.41" W x 2.76" 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 ensures long-lasting performance in demanding environments.

StandardASME B18
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)3.41"
Inside Length ( B)2.76"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 316 stainless steel U-bolt is precisely manufactured to accommodate 3" nominal pipe with an inside width of 3.41" (A) and an inside length of 2.76" (B). The material's inherent chromium and molybdenum content provides exceptional resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and outdoor applications. Each U-bolt features a standard 1/2"-13 UNC thread size for secure fastening with appropriate nuts and washers, ensuring reliable structural integrity in corrosive atmospheres.

🧊 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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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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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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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. Position the U-bolt around the 3" pipe, ensuring it is centered within the desired location. 2. Thread the nuts onto the U-bolt legs until snug, then tighten evenly to achieve the required clamping force. 3. Verify the pipe is securely held and the U-bolt is properly seated.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 the U-bolt, which can deform the pipe or the U-bolt itself.Tighten nuts incrementally and alternately, using a torque wrench if specified for the application.
Using standard carbon steel fasteners with 316 stainless steel U-bolts, leading to galvanic corrosion.Always use 316 stainless steel nuts and washers to maintain material compatibility and prevent corrosion.

Common Applications

  • Marine hardware and rigging
  • Chemical processing plant piping
  • Outdoor structural support

⚠️ Engineering Warnings

  • Ensure compatibility of all fastening hardware (nuts, washers) with 316 stainless steel to prevent galvanic corrosion.
  • Verify the U-bolt dimensions are appropriate for the specific pipe outer diameter being secured.

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 plant piping, Outdoor structural support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.41"B2.76"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.