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304 Stainless Steel U-Bolt for 3" Pipe | 3.74" W x 5.06" L

Expert Overview

This robust 304 stainless steel U-bolt is engineered to securely fasten 3-inch diameter pipes and conduit. Offering superior corrosion resistance, it ensures long-term integrity in challenging environments.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.74"
Inside Length ( B)5.06"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt is constructed from premium 304 stainless steel, providing excellent resistance to corrosion, oxidation, and a wide range of chemicals. Designed for a 3-inch nominal pipe size, its precise dimensions include an Inside Width (A) of 3.74 inches and an Inside Length (B) of 5.06 inches, accommodating standard pipe wall thicknesses. The 1/2"-13 UNC threading ensures compatibility with standard nuts and washers for secure mounting, making it suitable for structural support in marine, chemical processing, and food/beverage industries.

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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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LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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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 it straddles the supporting structure. 2. Thread the nuts onto the U-bolt legs, applying initial tension to secure the pipe. 3. Tighten nuts evenly to achieve firm clamping without deforming the pipe or support.

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
Overtightening U-bolt legs, causing pipe deformation or cracking.Apply torque evenly to both legs, using a torque wrench calibrated for the specific application and thread size.
Using the wrong size U-bolt for the pipe's nominal diameter.Always verify the inside width (A) and inside length (B) dimensions against the pipe's outer diameter and the mounting requirements.

Common Applications

  • Pipe and conduit support in corrosive environments
  • Marine and offshore structural fastening
  • Food and beverage processing equipment mounting

⚠️ Engineering Warnings

  • Ensure proper thread engagement with nuts for maximum holding power.
  • Always use appropriate grade nuts and washers (also recommended in 304 stainless steel) for optimal corrosion resistance and structural integrity.

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 corrosive environments, Marine and offshore structural fastening, Food and beverage processing equipment mounting.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.74"B5.06"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.