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304 Stainless Steel U-Bolt | 4" Pipe | 2.06" W x 7.83" L

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt secures 4" nominal pipe with precision. Its superior corrosion resistance ensures longevity in demanding industrial and marine applications.

StandardASTM A106
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)2.06"
Inside Length ( B)7.83"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt is constructed from premium 304 stainless steel, offering exceptional resistance to corrosion, oxidation, and pitting, making it ideal for marine, chemical processing, and food-grade environments. With an inside width (A) of 2.06 inches and an inside length (B) of 7.83 inches, it is designed to accommodate 4-inch nominal pipe sizes. The 1/2"-13 UNC coarse thread size provides secure fastening and compatibility with standard nuts and washers, ensuring a stable and reliable connection in critical infrastructure.

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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
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 spans the conduit. 2. Place the curved section of the U-bolt over the pipe, aligning the threaded legs with the mounting surface or bracket. 3. Secure the U-bolt by attaching appropriate nuts and washers to the threaded ends, tightening evenly to the specified torque for the application.

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)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using a U-bolt with insufficient width for the pipe's outer diameter.Verify the U-bolt's inside width (A) is at least 0.125" to 0.250" greater than the pipe's actual outer diameter to allow for proper fit and thermal expansion.
Overtightening fasteners, leading to pipe deformation or fastener failure.Consult application-specific torque charts or engineering specifications to apply the correct tightening force, preventing damage to the pipe and ensuring structural integrity.

Common Applications

  • Marine and offshore rigging
  • Chemical processing plants
  • Food and beverage industry conduit support
  • Plumbing and HVAC systems in corrosive environments

⚠️ Engineering Warnings

  • Ensure proper thread engagement with nuts to prevent loosening under vibration or load.
  • For critical load-bearing applications, consult structural engineering guidelines for load ratings and safety factors.

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 304 Stainless Steel U-Bolt, 4" Pipe made from?

A: This 304 Stainless Steel U-Bolt, 4" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Marine and offshore rigging, Chemical processing plants, Food and beverage industry conduit support, Plumbing and HVAC systems in corrosive environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.06"B7.83"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.