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

316 Stainless Steel U-Bolt | 3" Pipe | 3.36" W x 7.82" L

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt is ideal for securing 3-inch piping in harsh industrial settings. Its robust construction ensures reliable and long-lasting support.

StandardASME B18
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)3.36"
Inside Length ( B)7.82"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is fabricated from premium 316 stainless steel, offering exceptional resistance to pitting and crevice corrosion in aggressive media such as saltwater, chlorides, and acids. With an inside width (A) of 3.36" and an inside length (B) of 7.82", it is precisely engineered to accommodate standard 3" nominal pipe sizes. The 1/2"-13 UNC thread size provides robust fastening capabilities, ensuring secure installation for pipelines in chemical processing, marine infrastructure, food and beverage production, and wastewater treatment facilities where material integrity is paramount.

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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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🛡️ 24/7 Application Support
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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
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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 sits flush against the mounting surface. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially. 3. Use appropriate wrenches to tighten the nuts evenly, applying torque according to system specifications and to achieve a secure, vibration-resistant fit.

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 lower grade of stainless steel in corrosive environments.Always specify 316 stainless steel for applications exposed to chlorides, acids, or saltwater to prevent premature corrosion and failure.
Over-tightening the U-bolt, leading to pipe deformation or stress risers.Tighten nuts evenly to a snug fit, consulting relevant piping standards for specific torque values to avoid over-stressing the pipe or the U-bolt.

Common Applications

  • Marine piping systems
  • Chemical processing pipelines
  • Food and beverage processing equipment
  • Wastewater treatment infrastructure
  • Offshore oil and gas installations

⚠️ Engineering Warnings

  • Ensure compatibility of the U-bolt material with the transported fluid and surrounding atmosphere to prevent galvanic corrosion or chemical attack.
  • Verify that the U-bolt dimensions are appropriate for the specific pipe outer diameter and desired support configuration before installation.

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 piping systems, Chemical processing pipelines, Food and beverage processing equipment, Wastewater treatment infrastructure, Offshore oil and gas installations.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.36"B7.82"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.