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

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt securely fastens 3" nominal pipes. Its robust design and premium material ensure long-term performance in demanding environments.

StandardASME B18
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.05"
Inside Length ( B)4.34"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this U-bolt is manufactured from premium 316 stainless steel, renowned for its exceptional resistance to chloride pitting and crevice corrosion, making it ideal for marine, chemical processing, and food/beverage industries. The precise dimensions of 3.05" inside width (A) and 4.34" inside length (B) are optimized for a snug fit on standard 3" nominal pipes. Featuring robust 1/2"-13 UNC threads, it provides secure and reliable fastening. The material's inherent strength and durability ensure consistent performance under significant load and environmental stress.

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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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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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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. Select appropriate mounting surface and ensure it can support the intended load. 2. Position the U-bolt around the 3" pipe and through the mounting holes. 3. Thread the nuts onto the U-bolt legs until snug, then tighten evenly to the specified torque. 4. Verify pipe is secure and U-bolt is properly seated.

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
Overtightening the nuts, which can deform the pipe or U-bolt.Use a torque wrench to tighten nuts to the manufacturer's recommended specification for the specific application.
Using a U-bolt that is not rated for the environmental conditions, leading to premature corrosion.Always specify 316 stainless steel for corrosive environments such as marine, chemical, or high-moisture applications.
Incorrectly measuring pipe size, resulting in a loose or too-tight fit.Confirm the nominal pipe size (NPS) and ensure the U-bolt's inside dimensions are appropriate for a secure fit.

Common Applications

  • Marine pipe support
  • Chemical processing equipment mounting
  • Food and beverage industry piping
  • Offshore and industrial structural support

⚠️ Engineering Warnings

  • Ensure mounting hardware (nuts, washers) is also of compatible 316 stainless steel to prevent galvanic corrosion.
  • Do not exceed the maximum load capacity of the U-bolt, which should be determined based on material strength and application factors.

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, Chemical processing equipment mounting, Food and beverage industry piping, Offshore and industrial structural support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.05"B4.34"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.