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

316 Stainless Steel U-Bolt | 3" Pipe | 1.85" W x 7.57" L | 1/2"-13 Thread

Expert Overview

This heavy-duty U-bolt, crafted from superior 316 stainless steel, is designed to securely fasten 3-inch nominal pipe. Engineered for robust support and exceptional corrosion resistance in harsh environments.

StandardDIN 933
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.85"
Inside Length ( B)7.57"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is constructed from premium 316 stainless steel, offering superior resistance to corrosion and pitting in marine, chemical, and outdoor applications. The internal dimensions are optimized for a secure fit on 3" nominal pipe, with an inside width (A) of 1.85 inches and an inside length (B) of 7.57 inches. The heavy-duty 1/2"-13 UNC threads ensure a strong and durable connection, suitable for demanding load-bearing scenarios. Its robust design provides essential structural support and strain relief in piping systems.

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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
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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 pipe, ensuring it rests against the supporting structure. 2. Thread the nuts onto the U-bolt legs evenly until snug. 3. Tighten nuts to the recommended torque specification for the pipe size and load requirement, ensuring consistent pressure on both sides.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Overtightening the nuts, which can deform the pipe or damage the threads.Use a torque wrench and adhere to the manufacturer's recommended torque values for the specific application.
Using the wrong size U-bolt for the pipe diameter, leading to a loose or insecure fit.Verify the inside width (A) and inside length (B) of the U-bolt match the pipe's outer diameter and required clearance for proper installation.

Common Applications

  • Marine hardware and rigging
  • Chemical processing plant pipe support
  • Outdoor structural pipe mounting
  • Exhaust system component securing
  • Plumbing and HVAC system support

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the intended load and environmental conditions.
  • Periodically inspect for signs of wear, corrosion, or loosening and re-tighten or 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 hardware and rigging, Chemical processing plant pipe support, Outdoor structural pipe mounting, Exhaust system component securing, Plumbing and HVAC system support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.85"B7.57"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.