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

Expert Overview

Securely fasten 3" diameter piping with this robust 304 stainless steel U-bolt. Engineered for superior corrosion resistance and lasting structural integrity in demanding environments.

StandardASME B18
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.79"
Inside Length ( B)2.06"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this 304 stainless steel U-bolt ensures a reliable and secure fit for 3" nominal pipe sizes. With an inside width (A) of 3.79 inches and an inside length (B) of 2.06 inches, it accommodates standard pipe wall thicknesses and provides ample clearance. The 1/2"-13 UNC thread size on each leg allows for secure fastening with standard nuts and washers, offering significant tensile strength. Constructed from high-grade 304 stainless steel, it exhibits excellent resistance to a wide range of corrosive agents, making it ideal for marine, chemical, and outdoor applications where rust and degradation are concerns. Its durable construction guarantees long-term performance and maintenance-free operation.

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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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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 3" pipe, ensuring the pipe sits snugly within the curve. 2. Place the accompanying washers and nuts onto the threaded legs of the U-bolt. 3. Tighten the nuts evenly and securely to create a firm and stable connection, ensuring the pipe is held in place without deformation.

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
Over-tightening the U-bolt, leading to pipe deformation or damage.Apply firm, even pressure when tightening. Refer to torque specifications if available, or hand-tighten with moderate force.
Using the wrong size U-bolt for the pipe diameter, resulting in a loose or ill-fitting connection.Always verify the nominal pipe size and compare it with the U-bolt's inside dimensions (width and length) to ensure compatibility.

Common Applications

  • Pipe support and clamping in plumbing systems
  • Secure mounting of conduit and electrical conduits
  • Structural bracing in marine and offshore applications

⚠️ Engineering Warnings

  • Ensure the U-bolt and associated hardware are rated for the intended environment and load capacity.
  • Regularly inspect for signs of wear, corrosion, or loosening, especially in harsh operating conditions.

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 support and clamping in plumbing systems, Secure mounting of conduit and electrical conduits, Structural bracing in marine and offshore applications.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.79"B2.06"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.