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304 Stainless Steel U-Bolt for 4" Pipe | 2.72" W x 7.37" L

Expert Overview

This 304 Stainless Steel U-Bolt is engineered for robust pipe support in demanding environments. Designed for 4" nominal pipe, its precise dimensions and superior corrosion resistance ensure lasting integrity and secure fastening.

StandardASME B18
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)2.72"
Inside Length ( B)7.37"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is manufactured from high-grade 304 stainless steel, offering exceptional resistance to corrosion, oxidation, and pitting, making it ideal for environments exposed to moisture, chemicals, or saltwater. With an inside width (A) of 2.72 inches and an inside length (B) of 7.37 inches, it is specifically designed to accommodate 4-inch nominal pipe sizes. The robust 1/2"-13 UNC thread size provides secure engagement with compatible nuts and mounting hardware, ensuring a stable and reliable pipe support system. Its construction adheres to stringent industrial standards for material strength and dimensional accuracy.

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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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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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🛡️ 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 pipe, ensuring it rests flush against the mounting surface. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Using appropriate wrenches, tighten the nuts evenly and progressively to the specified torque, ensuring a secure and stable fit.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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.Always verify the U-bolt's inside width and length against the nominal pipe size and any insulation being used to ensure a proper fit.
Overtightening or undertightening the nuts.Tighten nuts to the manufacturer's recommended torque specification to avoid damaging the pipe or the U-bolt, or creating an insecure connection.
Using a U-bolt not rated for the environmental conditions.Select U-bolts made from materials like 304 stainless steel for corrosive or wet environments to prevent premature failure due to rust or degradation.

Common Applications

  • Marine and offshore installations
  • Chemical processing plants
  • Food and beverage production facilities
  • Wastewater treatment systems
  • General industrial pipe support

⚠️ Engineering Warnings

  • Ensure proper torque is applied during installation to avoid pipe damage or inadequate support.
  • Verify material compatibility with the surrounding environment to prevent premature corrosion or failure.

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 installations, Chemical processing plants, Food and beverage production facilities, Wastewater treatment systems, General industrial pipe support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.72"B7.37"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.