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316 Stainless Steel U-Bolt for 3" Pipe | 4.76" W x 2.27" L

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt is ideal for securing 3" pipes in demanding environments. Its robust construction ensures reliable performance and longevity.

StandardISO 9001
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.76"
Inside Length ( B)2.27"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt is manufactured from high-grade 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion, particularly in chloride-rich environments. The inside width (A) is precisely 4.76 inches, accommodating standard 3-inch nominal pipe. The inside length (B) measures 2.27 inches, providing ample clearance for pipe insulation or fitting. Featuring 1/2"-13 UNC threads, this U-bolt offers substantial load-bearing capacity and secure fastening. Its material composition makes it the preferred choice for marine, chemical processing, pharmaceutical, and food and beverage industries where hygiene and material integrity 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."
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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 evenly on the pipe's outer surface. 2. Secure the U-bolt by threading the provided nuts onto the bolt legs, tightening them uniformly with a wrench. 3. Ensure the U-bolt is snug and provides firm support to the pipe, but avoid over-tightening, which could deform the pipe or the U-bolt.

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 U-bolt size for the pipe diameter.Always verify the nominal pipe size against the U-bolt's inside width (A) to ensure a proper fit and adequate support.
Not using the correct tightening sequence for the nuts.Tighten nuts gradually and alternately on each leg to ensure even pressure distribution and prevent stress concentration.
Exposing the U-bolt to corrosive environments without confirming material compatibility.While 316 stainless steel offers excellent resistance, confirm its suitability for specific aggressive chemicals or extreme marine conditions if operating outside typical parameters.

Common Applications

  • Marine pipe support systems
  • Chemical processing equipment mounting
  • Food and beverage industry plumbing
  • Offshore oil and gas infrastructure
  • Wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure all nuts and washers are compatible with 316 stainless steel to prevent galvanic corrosion.
  • Regularly inspect U-bolts in corrosive environments for signs of wear or degradation, and replace as necessary.

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 support systems, Chemical processing equipment mounting, Food and beverage industry plumbing, Offshore oil and gas infrastructure, Wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.76"B2.27"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.