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

316 Stainless Steel U-Bolt for 4" Pipe | 1/2"-13 Thread

Expert Overview

This 316 stainless steel U-bolt is engineered for robust pipe support and anchoring in corrosive environments. Designed to fit 4" nominal pipe size, ensuring a secure and lasting installation.

StandardASME B18
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.52"
Inside Length ( B)2.39"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt boasts superior corrosion resistance due to its 316 stainless steel construction, offering excellent protection against chlorides and other aggressive media. With an inside width (A) of 1.52 inches and an inside length (B) of 2.39 inches, it is precisely manufactured to accommodate standard 4-inch nominal pipe. The robust 1/2"-13 UNC thread size ensures a strong and reliable connection when paired with appropriate fasteners, making it ideal for marine, chemical processing, and offshore applications where material integrity is paramount.

🧊 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."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
Green Manufacturing
🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ Lifetime Return Policy
Green Manufacturing
🌱 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 4" pipe, ensuring it rests securely on a suitable mounting surface or support structure. 2. Thread the nuts onto the U-bolt legs until snug against the mounting surface. 3. Tighten the nuts evenly in an alternating pattern to achieve the specified torque, ensuring uniform pressure on the pipe and support.

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
Using the wrong U-bolt size for the nominal pipe size.Always verify the nominal pipe size and consult dimensional charts to ensure correct U-bolt selection. This U-bolt is designed for 4" nominal pipe.
Over-tightening the nuts, potentially deforming the pipe or support.Tighten nuts to the manufacturer's recommended torque specifications for the thread size and material to prevent damage and ensure optimal clamping force.
Using standard steel U-bolts in corrosive environments.Select 316 stainless steel for applications involving saltwater, chemicals, or other corrosive agents to prevent premature failure due to rust and corrosion.

Common Applications

  • Marine pipe securing
  • Chemical processing plant pipe support
  • Offshore structural bracing
  • Wastewater treatment facility conduit anchoring

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (nuts and washers) with 316 stainless steel to prevent galvanic corrosion.
  • Always use appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.

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 pipe securing, Chemical processing plant pipe support, Offshore structural bracing, Wastewater treatment facility conduit anchoring.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.52"B2.39"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.