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

316 Stainless U-Bolt 4" Pipe | 1.75"W x 7.79"L | 1/2"-13 Thread

Expert Overview

This 316 Stainless Steel U-Bolt is engineered for robust pipe support in demanding industrial settings. Its superior corrosion resistance ensures long-term integrity and reliable performance.

StandardASTM A106
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)1.75"
Inside Length ( B)7.79"
Thread Size1/2"-13

Detailed Engineering Specifications

A high-performance industrial component, this 316 Stainless Steel U-Bolt is specifically designed for securing 4" nominal diameter pipe. It features an inside width (A) of 1.75 inches and an inside length (B) of 7.79 inches, providing ample clearance for standard pipe dimensions and insulation. The robust 1/2"-13 UNC thread size ensures secure fastening with standard nuts and washers. Fabricated from marine-grade 316 stainless steel, this U-bolt offers exceptional resistance to pitting and crevice corrosion in aggressive environments such as chemical processing, offshore platforms, and saltwater applications, guaranteeing longevity and structural stability.

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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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🛡️ 24/7 Application Support
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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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🛡️ Lifetime Return Policy
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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 rests within the designated pipe clamp or saddle. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially to ensure proper alignment. 3. Using appropriate wrenches, tighten the nuts alternately and evenly to the manufacturer's recommended torque specification, ensuring a secure and stable fixture without over-stressing the pipe or support.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 the U-bolt nutsTighten nuts to the specified torque to avoid deforming the pipe or support structure.
Using an undersized U-bolt for the pipe diameterVerify the U-bolt's inside width and length are appropriate for the nominal pipe size and any insulation being used.
Using a U-bolt made from lower grade stainless steel in corrosive environmentsSelect 316 stainless steel for its superior corrosion resistance in chemical, marine, and high-salinity applications.

Common Applications

  • Marine pipe support
  • Chemical processing pipe securing
  • Offshore platform infrastructure
  • Wastewater treatment facilities
  • Food and beverage processing lines

⚠️ Engineering Warnings

  • Ensure compatibility of U-bolt dimensions with pipe and support system before installation.
  • Always use appropriate personal protective equipment (PPE) during installation.
  • Verify torque specifications for the specific application to prevent damage or failure.

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 pipe securing, Offshore platform infrastructure, Wastewater treatment facilities, Food and beverage processing lines.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.75"B7.79"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.