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

Expert Overview

Engineered for demanding environments, this 3" pipe U-bolt is crafted from premium 316 stainless steel. It offers superior corrosion resistance and a secure, robust fastening solution.

StandardDIN 933
Material316 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)1.14"
Inside Length ( B)3.57"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt is designed for optimal performance and longevity. Constructed from marine-grade 316 stainless steel, it provides exceptional resistance to pitting and crevice corrosion, making it ideal for harsh, corrosive environments such as marine applications, chemical processing plants, and food & beverage facilities. The precise dimensions of 1.14" inside width (A) and 3.57" inside length (B), coupled with a 1/2"-13 UNC thread size, ensure a secure and reliable fit for 3" nominal pipe. This material choice guarantees durability and structural integrity under significant load and exposure.

🧊 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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
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"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. Position the U-bolt around the 3" pipe, ensuring it is centered. 2. Place the accompanying pipe saddle (if applicable) over the pipe and under the U-bolt legs. 3. Secure the U-bolt legs by threading the nuts onto the 1/2"-13 UNC threads, tightening evenly on both sides to the specified torque.

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
Using standard carbon steel U-bolts in corrosive environments.Always select 316 stainless steel or a similarly corrosion-resistant material for marine, chemical, or outdoor applications to prevent premature failure.
Incorrectly sizing the U-bolt for the pipe diameter.Verify the nominal pipe size and ensure the U-bolt's inside dimensions (width and length) are appropriate for a snug and secure fit.
Uneven tightening of nuts leading to stress concentrations.Tighten nuts gradually and alternately on both legs to ensure even pressure distribution and prevent deformation or failure of the U-bolt or pipe.

Common Applications

  • Marine pipe and conduit support
  • Chemical processing equipment mounting
  • Food and beverage industry piping
  • Wastewater treatment systems
  • Outdoor structural support

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to avoid over-tightening, which can damage the pipe or U-bolt.
  • Regularly inspect the U-bolt for signs of corrosion or damage, especially in aggressive environments, and replace if compromised.

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 and conduit support, Chemical processing equipment mounting, Food and beverage industry piping, Wastewater treatment systems, Outdoor structural support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.14"B3.57"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.