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304 Stainless Steel U-Bolt for 3" Pipe | 3.91" W x 3.97" L

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures lasting corrosion resistance. Precisely sized for 3-inch nominal pipe diameters, it offers superior strength and reliability in demanding environments.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.91"
Inside Length ( B)3.97"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this 304 stainless steel U-bolt is designed for optimal performance in corrosive and high-temperature applications. Its nominal 3-inch pipe capacity is achieved with an inside width (A) of 3.91 inches and an inside length (B) of 3.97 inches. The robust 1/2"-13 UNC threads provide secure fastening. Constructed from Type 304 stainless steel, it exhibits excellent resistance to oxidation and a wide range of corrosive media, making it ideal for marine, chemical processing, and food service industries where hygiene and longevity are paramount. This U-bolt meets stringent industrial standards for strength and durability.

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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 3-inch pipe, ensuring it rests on a suitable mounting surface or structure. 2. Insert the threaded legs through the designated holes in the mounting plate or bracket. 3. Secure each leg with the provided or specified 1/2"-13 nuts and washers, tightening evenly to achieve firm support without over-compression.

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 a U-bolt with insufficient inside dimensions for the pipe's outer diameter.Always verify the U-bolt's inside width (A) and inside length (B) against the specific pipe's outer diameter and the desired mounting configuration.
Using a material not resistant to the ambient environmental conditions.Confirm that the 304 stainless steel is suitable for the intended application's corrosive potential, temperature, and exposure to chemicals.

Common Applications

  • Pipe hanging and support in plumbing systems
  • Securing conduit and electrical raceways
  • Structural support in marine and offshore environments

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are also made of 304 stainless steel to prevent galvanic corrosion.
  • Do not exceed the U-bolt's load capacity, which is dependent on the mounting structure and thread engagement.

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 hanging and support in plumbing systems, Securing conduit and electrical raceways, Structural support in marine and offshore environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.91"B3.97"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.