Home > U-Bolts > 316 Stainless Steel U-Bolt, 3" Pipe

316 Stainless Steel U-Bolt | 3" Pipe | 1/2"-13 Thread | 7.43" Length

Expert Overview

This robust 316 stainless steel U-bolt is engineered for secure and corrosion-resistant pipe support. Designed for 3" nominal pipe size, it offers exceptional strength and longevity in demanding environments.

StandardASTM A106
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.47"
Inside Length ( B)7.43"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is constructed from premium 316 stainless steel, renowned for its superior corrosion resistance, particularly in saline and acidic environments. Featuring an inside width (A) of 1.47 inches and an inside length (B) of 7.43 inches, it precisely accommodates 3-inch nominal pipe. The robust 1/2"-13 UNC thread size ensures a secure and reliable fastening, suitable for load-bearing applications where material integrity is paramount. The alloy's excellent strength and durability make it ideal for critical infrastructure and industrial settings.

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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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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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🌱 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 accompanying mounting plate or saddle under the U-bolt legs. 3. Thread the nuts onto the U-bolt legs and tighten evenly to secure the pipe. Ensure proper torque is applied to prevent over-tightening or loosening.

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 a lower grade of stainless steel in corrosive environments.Always specify 316 stainless steel for marine, chemical, or high-salinity applications to ensure long-term corrosion resistance.
Over-tightening the nuts, which can deform the pipe or U-bolt.Use a torque wrench to tighten nuts to the manufacturer's recommended specification for the pipe size and material.

Common Applications

  • Marine hardware and support structures
  • Chemical processing equipment and piping
  • Wastewater treatment facilities
  • Food and beverage processing plants

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (nuts, washers, plates) with 316 stainless steel to prevent galvanic corrosion.
  • Verify the U-bolt's load rating is appropriate for the intended application to prevent structural failure.

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 support structures, Chemical processing equipment and piping, Wastewater treatment facilities, Food and beverage processing plants.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.47"B7.43"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.