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304 Stainless Steel U-Bolt | 3" Pipe | 1/2"-13 Thread

Expert Overview

Engineered from robust 304 stainless steel, this U-bolt is specifically designed to securely fasten 3" diameter pipes and conduits. Its durable construction ensures reliable performance in corrosive and high-stress industrial applications.

StandardASME B18
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)2.31"
Inside Length ( B)7.43"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this 304 stainless steel U-bolt offers superior corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or saltwater. With an inside width (A) of 2.31 inches and an inside length (B) of 7.43 inches, it is precisely engineered to accommodate standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC thread size ensures a strong and secure fastening capability, suitable for pipe supports, conduit mounting, and structural anchoring where integrity and longevity are paramount. The 304 stainless steel alloy provides excellent mechanical strength and resistance to pitting and crevice corrosion.

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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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🏆 Global Innovation Leader
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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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🌱 Climate Positive 2030
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 or conduit, ensuring the threaded legs straddle the supporting structure. 2. Place the accompanying 304 stainless steel nuts onto the threaded legs of the U-bolt. 3. Tighten the nuts evenly using appropriate wrenches until the pipe is securely fastened and shows no signs of movement.

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 U-bolt size for the pipe diameter.Always verify the pipe's nominal and actual outside diameter against the U-bolt's inside width and length specifications to ensure a proper fit.
Not using stainless steel hardware (nuts and washers) with a stainless steel U-bolt.To prevent galvanic corrosion and maintain the integrity of the assembly, always use matching stainless steel nuts and washers.

Common Applications

  • Pipe and conduit support in marine environments
  • Chemical processing plant pipe anchoring
  • Food and beverage industry equipment mounting

⚠️ Engineering Warnings

  • Ensure proper torque is applied to avoid over-tightening, which can damage the pipe or threads.
  • Inspect U-bolts regularly for signs of corrosion or wear, especially in aggressive environments, and replace as needed.

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, 3" Pipe made from?

A: This 304 Stainless Steel U-Bolt, 3" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Pipe and conduit support in marine environments, Chemical processing plant pipe anchoring, Food and beverage industry equipment mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.31"B7.43"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.