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304 Stainless Steel U-Bolt for 4" Pipe - 2.24" x 6.16"

Expert Overview

This robust 304 stainless steel U-bolt is engineered for secure and corrosion-resistant fastening of 4" nominal pipe. Its precise dimensions ensure a reliable fit for demanding industrial and marine environments.

StandardASTM A106
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)2.24"
Inside Length ( B)6.16"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is constructed from premium 304 stainless steel, renowned for its exceptional resistance to corrosion, oxidation, and pitting, particularly in harsh environments. The inside width (A) is precisely machined to 2.24 inches, accommodating standard 4-inch nominal pipe outer diameters. The inside length (B) measures 6.16 inches, providing ample thread engagement for secure mounting. Featuring a robust 1/2"-13 UNC thread size, this U-bolt is designed for use with compatible nuts and washers, ensuring steadfast support and vibration dampening in a wide range of applications including plumbing, conduit support, and structural bracing.

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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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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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 sits snugly against the surface to be secured. 2. Insert the threaded legs through the mounting holes of the bracket or saddle. 3. Securely fasten with appropriate 1/2"-13 nuts and washers, tightening evenly on both sides to achieve firm, stable 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)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 the wrong size U-bolt for the pipe.Always verify the nominal pipe size and consult the U-bolt's inside width specification to ensure a proper fit.
Inadequate tightening of nuts.Tighten nuts evenly on both sides to the recommended torque to prevent loosening due to vibration or movement.
Using non-stainless steel hardware.Always pair 304 stainless steel U-bolts with compatible 304 stainless steel nuts and washers to maintain corrosion resistance.

Common Applications

  • Pipe support and anchoring in marine environments
  • Conduit and cable tray mounting
  • Structural bracing and securing of components

⚠️ Engineering Warnings

  • Ensure the mounting surface and hardware are also made of 304 stainless steel to prevent galvanic corrosion.
  • Do not exceed the recommended load capacity for this U-bolt; consult engineering specifications if load requirements are unknown.

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: Pipe support and anchoring in marine environments, Conduit and cable tray mounting, Structural bracing and securing of components.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.24"B6.16"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.