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304 Stainless Steel U-Bolt 4" Pipe | 2.89" W x 6.63" L

Expert Overview

This 304 stainless steel U-bolt is engineered for secure and corrosion-resistant mounting of 4-inch nominal pipes. Its robust construction ensures reliable support in a variety of demanding industrial applications.

StandardASTM A106
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)2.89"
Inside Length ( B)6.63"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt features a 304 stainless steel construction, offering superior corrosion and oxidation resistance, especially in saline or acidic environments. With an inside width (A) of 2.89 inches and an inside length (B) of 6.63 inches, it is specifically designed for 4-inch nominal pipe diameters. The 1/2"-13 UNC thread size provides ample thread engagement for secure fastening with standard nuts and washers, ensuring a stable and long-lasting installation.

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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
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"Complete industrial supply."
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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 pipe, ensuring it rests evenly on the supporting surface or bracket. 2. Thread the nuts onto the U-bolt legs until snug, but do not overtighten initially. 3. Apply final torque to the nuts, ensuring even pressure on both sides for optimal pipe 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 diameter.Verify the nominal pipe size and ensure the U-bolt's inside dimensions (width and length) are appropriate for a snug fit without excessive gap or deformation.
Overtightening one leg of the U-bolt before the other.Tighten both nuts incrementally and evenly to ensure uniform pressure distribution and prevent pipe distortion.
Using standard steel U-bolts in corrosive environments.Select 304 stainless steel U-bolts for applications exposed to moisture, chemicals, or saltwater to prevent premature corrosion and failure.

Common Applications

  • Pipe hanging and support in plumbing systems
  • Securing conduit and cables in industrial settings
  • Marine applications requiring corrosion resistance

⚠️ Engineering Warnings

  • Ensure proper torque is applied to avoid over-stressing the pipe or the U-bolt.
  • Use appropriate washers to distribute load and prevent damage to the mounting surface.

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 hanging and support in plumbing systems, Securing conduit and cables in industrial settings, Marine applications requiring corrosion resistance.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.89"B6.63"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.