Home > U-Bolts > 304 Stainless Steel U-Bolt, 3" Pipe

304 Stainless Steel U-Bolt for 3" Pipe | 2.13" W x 4.75" L | Buy Now

Expert Overview

Engineered for superior pipe support, this 304 stainless steel U-bolt ensures reliable fastening for 3" nominal pipe. Its robust construction and corrosion resistance make it ideal for demanding industrial environments.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)2.13"
Inside Length ( B)4.75"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is meticulously fabricated from high-grade 304 stainless steel, offering exceptional resistance to corrosion and oxidation, vital for environments exposed to moisture or chemicals. Designed to accommodate a 3" nominal pipe size, it features a precise inside width (A) of 2.13 inches and an inside length (B) of 4.75 inches, ensuring a secure fit. The robust 1/2"-13 UNC thread size guarantees strong and stable attachment to mounting surfaces or structures, making it suitable for plumbing, conduit, and structural support 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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🏆 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, ensuring it rests flush against the mounting surface. 2. Thread the nuts onto the bolt legs, hand-tightening initially. 3. Use appropriate wrenches to tighten nuts evenly, applying firm, consistent pressure until the pipe is securely held, avoiding over-tightening that could deform the pipe or mounting surface.

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
Selecting the wrong U-bolt size for the pipe.Always verify the nominal pipe size and consult the U-bolt's inside dimensions (width and length) to ensure compatibility.
Over-tightening the nuts, potentially crushing the pipe or damaging the mounting surface.Tighten nuts progressively and evenly. Use a torque wrench to achieve the manufacturer's recommended torque if specified.
Using a U-bolt made of an unsuitable material for the environmental conditions.For corrosive or high-moisture environments, opt for stainless steel grades like 304 or 316 for superior longevity and performance.

Common Applications

  • Securing conduit and electrical raceways
  • Supporting plumbing and HVAC piping systems
  • Structural pipe and rod bracing in industrial settings

⚠️ Engineering Warnings

  • Ensure the mounting surface can adequately support the load of the pipe and its contents.
  • Always use appropriate personal protective equipment (PPE) during installation, including safety glasses and gloves.

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: Securing conduit and electrical raceways, Supporting plumbing and HVAC piping systems, Structural pipe and rod bracing in industrial settings.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.13"B4.75"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.