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304 Stainless Steel U-Bolt | 3" Pipe | 3.35" W x 2.69" L

Expert Overview

This 304 Stainless Steel U-Bolt is engineered for secure pipe support. Designed for a 3" nominal pipe size, its robust construction and corrosion resistance make it ideal for industrial and marine applications.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Inside Width ( A)3.35"
Inside Length ( B)2.69"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt conforms to rigorous standards for industrial fastening. Constructed from premium 304 stainless steel, it offers superior corrosion resistance against a wide range of chemicals and environmental factors, ensuring longevity in harsh conditions. The bolt features an inside width (A) of 3.35 inches and an inside length (B) of 2.69 inches, providing a precise fit for standard 3-inch nominal pipe. The 1/2"-13 UNC thread size ensures compatibility with standard hex nuts and washers for secure assembly in demanding applications such as plumbing, conduit support, and structural framing.

🧊 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. Select appropriate U-bolt size and material for the application and pipe. 2. Position the U-bolt around the pipe, ensuring it rests securely. 3. Install washers and nuts onto the bolt threads, tightening evenly and progressively until the pipe is firmly secured but not deformed.

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 diameter.Always verify the nominal pipe size and select a U-bolt with the corresponding inside dimensions for a secure and proper fit.
Over-tightening the U-bolt, which can crush the pipe or reduce its structural integrity.Tighten nuts evenly and progressively to snugness, ensuring the pipe is held firmly without excessive pressure.
Using the incorrect material for the environment, leading to premature corrosion.Choose a material like 304 stainless steel for its proven corrosion resistance in humid, saline, or chemically aggressive environments.

Common Applications

  • Marine hardware and rigging
  • Plumbing and pipe support systems
  • Conduit and cable management
  • Automotive exhaust systems
  • General structural framing

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are compatible with 304 stainless steel to prevent galvanic corrosion.
  • Do not exceed the recommended load capacity for this U-bolt, as specified by engineering calculations for the application.

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 rigging, Plumbing and pipe support systems, Conduit and cable management, Automotive exhaust systems, General structural framing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.35"B2.69"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.