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

316 Stainless Steel U-Bolt | 4" Pipe | 3.74"W x 7.06"L | 1/2"-13

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt is designed for secure mounting of 4" pipes. Its robust construction ensures long-term reliability in harsh industrial settings.

StandardASME B18
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)3.74"
Inside Length ( B)7.06"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this 316 stainless steel U-bolt offers exceptional resistance to corrosion, pitting, and crevice attack, making it ideal for marine, chemical processing, and food/beverage applications. With an inside width (A) of 3.74 inches and an inside length (B) of 7.06 inches, it is precisely manufactured to accommodate standard 4-inch nominal pipe. The 1/2"-13 UNC threads provide ample engagement for secure fastening with compatible nuts and washers, ensuring a stable and durable pipe support system. This material composition of 316 stainless steel, containing molybdenum, significantly enhances its performance in acidic and chloride-rich environments.

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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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🚀 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 4" pipe, ensuring it is centered on the desired mounting location. 2. Place the pipe and U-bolt assembly onto the mounting surface, aligning the legs of the U-bolt with pre-drilled holes or appropriate mounting hardware. 3. Secure the U-bolt by threading nuts onto the exposed ends of the U-bolt legs. Tighten evenly to achieve firm contact without overtightening, which could deform the pipe or mounting surface.

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
Selecting the wrong U-bolt size for the pipe diameter.Always verify the nominal pipe size and consult a pipe support dimension chart to ensure the correct U-bolt inside width and length are chosen.
Using carbon steel U-bolts in corrosive environments.For applications involving moisture, chemicals, or saltwater, always specify 316 stainless steel or a comparable corrosion-resistant material.

Common Applications

  • Marine pipe support
  • Chemical processing equipment mounting
  • Food and beverage industry piping
  • Offshore oil and gas installations
  • Wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure all nuts and washers are made of compatible stainless steel to prevent galvanic corrosion.
  • Do not exceed the recommended torque specifications for the fasteners to avoid thread stripping or material deformation.

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 support, Chemical processing equipment mounting, Food and beverage industry piping, Offshore oil and gas installations, Wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.74"B7.06"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.