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

316 Stainless Steel U-Bolt for 3" Pipe - 1/2"-13 Thread

Expert Overview

Engineered for superior corrosion resistance in demanding environments, this 316 stainless steel U-bolt securely fastens 3" nominal pipe. Its robust construction ensures reliable support and longevity.

StandardISO 9001
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)1.85"
Inside Length ( B)2.54"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is manufactured from premium 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion, particularly in chloride-rich environments. Featuring an inside width (A) of 1.85 inches and an inside length (B) of 2.54 inches, it is precisely sized to accommodate standard 3-inch nominal pipe diameters. The robust 1/2"-13 UNC thread size provides ample tensile strength for secure fastening. Ideal for marine, chemical processing, food and beverage, and pharmaceutical industries where hygiene and extreme environmental conditions are paramount.

🧊 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."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ 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. Ensure the 3" nominal pipe is properly positioned within the U-bolt's arc. 2. Thread the provided nuts onto the U-bolt's 1/2"-13 threads, ensuring even engagement on both sides. 3. Tighten nuts to the recommended torque specification for the application, ensuring a secure and stable mount without over-stressing the pipe or mounting surface.

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 size U-bolt for the pipe diameter.Always verify the nominal pipe size and select a U-bolt with appropriate inside dimensions (A) and (B) to ensure a snug and secure fit.
Over-tightening the nuts, leading to pipe deformation or thread damage.Use a torque wrench and adhere to manufacturer-recommended torque values for the specific application and materials to prevent damage.

Common Applications

  • Marine pipe and conduit support
  • Chemical processing equipment mounting
  • Food and beverage processing plant installations
  • Pharmaceutical piping systems
  • General industrial structural support

⚠️ Engineering Warnings

  • Ensure compatibility of mounting surfaces with 316 stainless steel to prevent galvanic corrosion.
  • Always wear appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.

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 pipe and conduit support, Chemical processing equipment mounting, Food and beverage processing plant installations, Pharmaceutical piping systems, General industrial structural support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.85"B2.54"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.