Home > U-Bolts > 316 Stainless Steel U-Bolt, 4" Pipe

4" 316 Stainless Steel U-Bolt | Pipe Clamps & Supports

Expert Overview

Engineered for superior corrosion resistance in demanding environments. This 316 stainless steel U-bolt ensures robust support for 4" nominal pipe sizes, offering lasting integrity and reliable performance.

StandardDIN 933
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)4.62"
Inside Length ( B)3.78"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is crafted from premium 316 stainless steel, renowned for its exceptional resistance to chloride corrosion, pitting, and crevice corrosion, making it ideal for marine, chemical processing, and outdoor installations. With an inside width (A) of 4.62 inches and an inside length (B) of 3.78 inches, it is precisely designed to accommodate standard 4" nominal pipe diameters. The robust 1/2"-13 UNC thread size ensures a secure and dependable fastening, capable of withstanding significant mechanical stress and vibration, providing long-term structural support.

🧊 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
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. Position the U-bolt around the pipe, ensuring the pipe is centrally located between the legs. 2. Place the U-bolt over the mounting surface or saddle. 3. Thread the provided nuts onto the U-bolt legs and tighten evenly to the recommended torque specification.

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
Over-tightening nuts, which can deform the pipe or U-bolt.Use a torque wrench and adhere to the manufacturer's recommended torque values for the specific application.
Using the wrong size U-bolt, leading to improper fit and reduced support.Verify the nominal pipe size and confirm the U-bolt's inside dimensions (width and length) match the pipe and mounting requirements.

Common Applications

  • Marine and offshore installations
  • Chemical processing pipelines
  • Wastewater treatment facilities
  • Structural support for conduit and tubing

⚠️ Engineering Warnings

  • Ensure proper thread engagement to achieve rated load capacity.
  • Regularly inspect for signs of wear, corrosion, or damage, especially in aggressive environments.

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, 4" Pipe made from?

A: This 316 Stainless Steel U-Bolt, 4" Pipe is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine and offshore installations, Chemical processing pipelines, Wastewater treatment facilities, Structural support for conduit and tubing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.62"B3.78"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.