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

Expert Overview

Engineered for superior corrosion resistance, this 3" pipe U-bolt is crafted from premium 316 stainless steel. Its robust design ensures secure mounting and longevity in challenging industrial and marine settings.

StandardASME B18
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.83"
Inside Length ( B)6.20"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is specifically designed for a 3" nominal pipe size, featuring an actual inside width (A) of 1.83 inches and an inside length (B) of 6.20 inches. Constructed from high-grade 316 stainless steel, it offers exceptional resistance to pitting and crevice corrosion, making it ideal for applications exposed to chlorides, sulfates, and other aggressive media. The 1/2"-13 UNC coarse thread size provides ample engagement for secure fastening with compatible nuts and washers, ensuring reliable structural support and vibration dampening.

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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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🛡️ 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 3" pipe, ensuring the pipe is centrally located within the U-bolt's curve. 2. Place the supplied or compatible flat and/or lock washers onto the threaded legs of the U-bolt. 3. Thread the appropriate nuts onto the U-bolt legs, tightening them evenly and securely to the desired torque specification to firmly secure the pipe.

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 a standard carbon steel U-bolt in a corrosive environment.Always select a 316 stainless steel U-bolt for marine, chemical, or high-humidity applications to prevent premature rust and failure.
Over-tightening the nuts, which can deform the pipe or damage the threads.Tighten nuts to the manufacturer's recommended torque specification or ensure a firm, secure hold without excessive force.
Incorrectly measuring the pipe size, leading to a U-bolt that is too large or too small.Always confirm the nominal and actual outside diameter of the pipe before selecting a U-bolt. This U-bolt is designed for a 3" nominal pipe size with an approximate 1.83" inside width.

Common Applications

  • Marine hardware and rigging
  • Chemical processing equipment support
  • Plumbing and HVAC pipe anchoring
  • Food and beverage processing
  • Wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with 316 stainless steel to prevent galvanic corrosion.
  • Always consult load rating charts and engineering guidelines for critical applications to ensure proper selection and safety.

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 equipment support, Plumbing and HVAC pipe anchoring, Food and beverage processing, Wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.83"B6.20"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.