Home > U-Bolts > 304 Stainless Steel U-Bolt, 4" Pipe

304 Stainless Steel U-Bolt for 4" Pipe | 1.82" W x 3.39" L

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures secure mounting for 4-inch nominal diameter pipes. Its superior corrosion resistance makes it ideal for demanding environments.

StandardISO 9001
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)1.82"
Inside Length ( B)3.39"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt features an inside width (A) of 1.82 inches and an inside length (B) of 3.39 inches, specifically designed to accommodate standard 4-inch Schedule 40 pipe dimensions. The 1/2"-13 UNC thread size ensures compatibility with standard U-bolt hardware for secure fastening. Constructed from premium 304 stainless steel, it offers exceptional resistance to corrosion, oxidation, and pitting, even in aggressive atmospheric conditions and chemical exposures. This material integrity guarantees long-term structural integrity and performance in marine, chemical processing, food and beverage, and general industrial applications.

🧊 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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Certified:ISO 9001, ISO 14001
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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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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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 the pipe is centrally located within the U-bolt's curvature. 2. Place the U-bolt over a suitable mounting surface (e.g., a mounting plate or beam) and thread the provided nuts onto the bolt ends, finger-tight. 3. Tighten the nuts progressively and evenly using a wrench, ensuring uniform pressure on both sides to achieve a secure and stable attachment without over-stressing the pipe or mounting surface.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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
Selecting a U-bolt with an inside width that is too small or too large for the intended pipe diameter, leading to poor fit and potential pipe damage.Always verify the U-bolt's inside width (A) against the actual outside diameter of the pipe being supported to ensure a snug and secure fit.
Using standard carbon steel U-bolts in corrosive environments, resulting in premature rust and failure.For applications exposed to moisture, chemicals, or saltwater, always opt for 304 or 316 stainless steel U-bolts to guarantee corrosion resistance and longevity.

Common Applications

  • Pipe Support and Clamping in Industrial Settings
  • Marine and Offshore Applications
  • Chemical Processing Equipment Mounting
  • Food and Beverage Industry Piping
  • Plumbing and HVAC Systems

⚠️ Engineering Warnings

  • Ensure the mounting surface is capable of supporting the load of the pipe and its contents.
  • Do not overtighten the U-bolt nuts, as this can deform the pipe or damage the mounting threads.

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 Clamping in Industrial Settings, Marine and Offshore Applications, Chemical Processing Equipment Mounting, Food and Beverage Industry Piping, Plumbing and HVAC Systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.82"B3.39"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.