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316 Stainless U-Bolt for 3" Pipe | 1/2"-13 Threads | Corrosion Resistant

Expert Overview

This robust 316 stainless steel U-bolt is engineered for secure 3" pipe mounting in corrosive environments. Its superior corrosion resistance ensures long-term reliability in demanding industrial and marine applications.

StandardASTM A106
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.24"
Inside Length ( B)5.28"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is constructed from premium 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion in chloride-rich environments. With an inside width (A) of 2.24 inches and an inside length (B) of 5.28 inches, it is precisely sized to accommodate standard 3-inch nominal pipe. The robust 1/2"-13 UNC threads provide ample clamping force for secure attachment to structural supports, ensuring stability and preventing pipe movement under load. This material selection is critical for applications involving saltwater, chemicals, or high humidity.

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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
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LoctiteEst. 1953
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"Industrial adhesives and sealants."
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McMaster-CarrEst. 1901
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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 rests on the pipe's outer diameter. 2. Align the threaded legs of the U-bolt with the pre-drilled holes in the mounting structure. 3. Secure the U-bolt by threading the nuts onto the bolt legs until firm, ensuring even pressure distribution.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 standard carbon steel U-bolts in corrosive environments.Always select 316 stainless steel for marine, chemical, or high-moisture applications to prevent premature corrosion and failure.
Overtightening nuts, which can distort the pipe or damage threads.Tighten nuts until snug, then apply an additional quarter to half turn. Use a torque wrench if precise clamping force is critical, consulting pipe support guidelines.

Common Applications

  • Marine vessel pipe and conduit support
  • Chemical processing plant pipe anchoring
  • Offshore oil and gas platform infrastructure
  • Wastewater treatment facilities
  • Coastal construction projects

⚠️ Engineering Warnings

  • Ensure the U-bolt's inside dimensions are compatible with the O.D. of the pipe being secured.
  • Do not exceed the recommended load ratings for the specific installation and mounting hardware.

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 vessel pipe and conduit support, Chemical processing plant pipe anchoring, Offshore oil and gas platform infrastructure, Wastewater treatment facilities, Coastal construction projects.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.24"B5.28"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.