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304 Stainless Steel U-Bolt 4" Pipe | Secure Mounting

Expert Overview

This 304 Stainless Steel U-Bolt is engineered for secure and robust mounting of 4" diameter pipes. Its superior corrosion resistance ensures long-term performance in demanding environments.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.54"
Inside Length ( B)2.03"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is constructed from premium 304 stainless steel, offering exceptional resistance to corrosion and oxidation, making it ideal for marine, chemical processing, and outdoor applications. It features an inside width (A) of 3.54 inches and an inside length (B) of 2.03 inches, precisely designed to accommodate standard 4-inch nominal pipe sizes. The robust 1/2"-13 UNC thread size on both legs ensures secure fastening with compatible nuts and washers, providing a strong and stable support solution for your piping systems. The material's inherent strength and durability guarantee structural integrity under significant load and environmental stress.

🧊 Download 3D CAD Model (.STEP)

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
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"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 is centered. 2. Place the pipe between the legs of the U-bolt and insert the legs through the mounting surface or bracket. 3. Secure the U-bolt by threading the nuts onto the bolt legs and tightening evenly.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Overtightening nuts, which can deform the pipe or U-bolt.Tighten nuts to the recommended torque specification for the thread size and material, ensuring a snug fit without excessive force.
Using the wrong size U-bolt for the pipe diameter.Verify the pipe's nominal and actual outer diameter against the U-bolt's inside dimensions (width and length) before installation.

Common Applications

  • Pipe support in corrosive environments
  • Marine and offshore installations
  • Chemical processing plants
  • Plumbing and HVAC systems

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with the 1/2"-13 thread size.
  • Regularly inspect for signs of wear or corrosion, especially in harsh environments.

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 in corrosive environments, Marine and offshore installations, Chemical processing plants, Plumbing and HVAC systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.54"B2.03"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.