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

316 Stainless Steel U-Bolt 4" Pipe | 3.32" W x 7.68" L | 1/2"-13 Thread

Expert Overview

Engineered for robust pipe support, this 316 stainless steel U-bolt ensures exceptional corrosion resistance. Its precise dimensions and durable construction make it ideal for critical infrastructure and marine applications.

StandardDIN 933
Material316 Stainless Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.32"
Inside Length ( B)7.68"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this U-bolt is manufactured from premium 316 stainless steel, offering superior resistance to chloride corrosion and pitting, making it suitable for harsh marine, chemical, and food processing environments. With an inside width (A) of 3.32 inches and an inside length (B) of 7.68 inches, it provides secure clamping for standard 4-inch nominal pipe sizes. The 1/2"-13 UNC coarse thread size ensures robust engagement and reliable load-bearing capacity, meeting stringent industrial fastening requirements. The material's inherent strength and non-magnetic properties further enhance its utility in diverse operational settings.

🧊 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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🚀 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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🌱 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 spans the desired support point. 2. Place the provided saddle or plate (if applicable) onto the pipe and under the U-bolt legs. 3. Thread the nuts onto the U-bolt legs until snug, then tighten evenly to the recommended torque specification for the thread size.

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 U-bolt nuts, which can deform the pipe or damage the threads.Use a torque wrench to tighten nuts to the manufacturer's recommended specification for the given thread size and application.
Using standard carbon steel U-bolts in corrosive environments, leading to premature failure.Always select U-bolts made from appropriate corrosion-resistant materials like 316 stainless steel for applications exposed to moisture, chemicals, or saltwater.

Common Applications

  • Marine and offshore structures
  • Chemical processing plants
  • Food and beverage industry
  • Wastewater treatment facilities
  • Piping systems in corrosive environments

⚠️ Engineering Warnings

  • Ensure proper torque is applied to avoid over-stressing the component or the supported structure.
  • Regularly inspect for signs of corrosion or wear, especially in aggressive environments, and replace as needed.

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 structures, Chemical processing plants, Food and beverage industry, Wastewater treatment facilities, Piping systems in corrosive environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.32"B7.68"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.