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304 Stainless Steel U-Bolt - 3" Pipe, 4.17" W x 3.30" L

Expert Overview

Engineered for robust pipe support in corrosive industrial settings, this 304 stainless steel U-bolt ensures secure fastening for 3" diameter piping. Its premium material guarantees longevity and resistance to environmental degradation.

StandardDIN 933
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)4.17"
Inside Length ( B)3.30"
Thread Size1/2"-13

Detailed Engineering Specifications

Designed for demanding industrial environments, this U-bolt is precision-manufactured from high-grade 304 stainless steel, offering superior corrosion and oxidation resistance, critical for applications exposed to moisture, chemicals, or saltwater. The 4.17" inside width (A) accommodates standard 3" nominal pipe (approximately 3.5" actual OD), with a 3.30" inside length (B) providing ample thread engagement for the 1/2"-13 UNC threads. This configuration ensures a secure and reliable clamping force, essential for preventing pipe movement and vibration in sectors such as chemical processing, marine, food and beverage, and wastewater treatment.

🧊 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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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. Clean the pipe surface and the U-bolt threads to ensure optimal engagement. 2. Position the U-bolt around the pipe, ensuring it is centered and perpendicular. 3. Thread the nuts onto the U-bolt legs, tightening them evenly in an alternating pattern to achieve uniform pressure.

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
Using the wrong U-bolt size for the pipe's actual outer diameter.Always verify the pipe's actual outer diameter (OD) and select a U-bolt with an inside width (A) that is slightly larger than this OD, typically 0.5" to 1" larger for proper clearance and clamping.
Over-tightening the nuts, leading to pipe deformation or thread stripping.Tighten nuts to the recommended torque specification for the thread size and material, ensuring a secure hold without excessive force. Use a torque wrench for precision.

Common Applications

  • Pipe Hangers and Supports
  • Marine Hardware
  • Chemical Processing Equipment
  • Food and Beverage Manufacturing

⚠️ Engineering Warnings

  • Ensure the U-bolt is rated for the intended load and environmental conditions.
  • Periodically inspect for signs of corrosion or thread damage and replace if necessary.

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 Hangers and Supports, Marine Hardware, Chemical Processing Equipment, Food and Beverage Manufacturing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.17"B3.30"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.