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304 Stainless Steel U-Bolt | 3" Pipe, 2.46" W x 3.71" L, 1/2"-13

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt secures 3-inch nominal pipes with precision. Its superior corrosion resistance ensures longevity in demanding environments.

StandardDIN 933
Material304 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)2.46"
Inside Length ( B)3.71"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, 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. The inside width measures 2.46 inches (A), accommodating pipes with an outside diameter of approximately 3.06 inches. The inside length is 3.71 inches (B), providing ample clearance for pipe insulation or mounting brackets. Featuring a standard 1/2"-13 UNC thread size, it ensures compatibility with common nuts and washers for secure fastening. The material's inherent strength and durability guarantee reliable performance under significant load and environmental stress.

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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."
Market Rank
🏆 Global Innovation Leader
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🌱 100% Renewable Energy HQ
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."
Market Rank
🏆 #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 is centered. 2. Place the provided or compatible mounting plate/channel beneath the U-bolt legs. 3. Securely fasten the U-bolt by tightening the nuts onto the threaded legs, applying even torque.

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
Incorrect U-bolt size selection leading to loose or damaged pipe.Verify the pipe's actual outside diameter and select a U-bolt with an appropriate inside width specification. Consult pipe sizing charts if unsure.
Over-tightening the nuts, potentially deforming the pipe or U-bolt.Use a torque wrench to tighten nuts to the manufacturer's recommended torque specification for the chosen thread size and material, ensuring even pressure.

Common Applications

  • Marine hardware and boat rigging
  • Chemical processing plant pipe support
  • Outdoor conduit and pipe mounting
  • Exhaust system component securing
  • Plumbing and HVAC installations

⚠️ Engineering Warnings

  • Ensure all hardware (nuts, washers) is also made of 304 stainless steel to prevent galvanic corrosion.
  • Do not exceed the rated load capacity of the U-bolt and its associated mounting hardware.

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: Marine hardware and boat rigging, Chemical processing plant pipe support, Outdoor conduit and pipe mounting, Exhaust system component securing, Plumbing and HVAC installations.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.46"B3.71"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.