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316 Stainless Steel U-Bolt | 3" Pipe | 3.86" W x 3.91" L

Expert Overview

This robust 316 Stainless Steel U-Bolt is engineered for secure pipe support in corrosive atmospheres. Its superior corrosion resistance ensures long-term integrity in demanding industrial settings.

StandardASME B18
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.86"
Inside Length ( B)3.91"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this 316 Stainless Steel U-Bolt provides a secure and corrosion-resistant solution for 3" nominal pipe applications. Featuring an inside width (A) of 3.86 inches and an inside length (B) of 3.91 inches, it is manufactured from high-grade 316 stainless steel, renowned for its exceptional resistance to chloride corrosion, pitting, and crevice corrosion, making it ideal for marine, chemical processing, and food/beverage industries. The 1/2"-13 UNC thread size ensures compatibility with standard nuts and washers for reliable fastening.

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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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🏆 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
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🌱 Climate Positive 2030
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
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 pipe, ensuring it rests on a suitable support. 2. Place the provided nuts onto the threaded ends of the U-bolt. 3. Tighten the nuts evenly, alternating between sides, to achieve the desired clamping force without overtightening.

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
Using the wrong U-bolt size for the pipe diameter.Always verify the U-bolt's inside dimensions against the pipe's outside diameter and the nominal pipe size specification.
Not using corrosion-resistant fasteners in corrosive environments.Ensure all components, including nuts and washers, are also made of 316 stainless steel when used in marine or chemical applications.

Common Applications

  • Marine hardware and piping
  • Chemical processing equipment support
  • Food and beverage industry infrastructure

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to prevent pipe damage or movement.
  • Regularly inspect U-bolts for signs of corrosion or fatigue, 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 hardware and piping, Chemical processing equipment support, Food and beverage industry infrastructure.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.86"B3.91"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.