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304 Stainless Steel U-Bolt | 3" Pipe | 2.11" W x 4.80" L

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt securely fastens 3-inch nominal diameter pipes. Its superior corrosion resistance ensures longevity in demanding environments.

StandardASTM A106
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)2.11"
Inside Length ( B)4.80"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 304 stainless steel U-bolt offers exceptional durability and corrosion resistance, ideal for marine, chemical processing, and food-grade applications. Featuring an inside width (A) of 2.11 inches and an inside length (B) of 4.80 inches, it precisely accommodates 3-inch nominal pipe. The robust 1/2"-13 UNC thread size ensures secure fastening. Manufactured from 304 stainless steel, it provides excellent resistance to a wide range of corrosive media and environmental factors, guaranteeing structural integrity and extended service life in critical infrastructure.

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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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🚀 Formula 1 & Aerospace OEM
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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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🌱 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 3-inch nominal pipe and the supporting structure. 2. Insert the threaded legs through the mounting holes of the saddle or bracket. 3. Securely tighten the 1/2"-13 nuts onto the U-bolt threads using appropriate wrenches, ensuring even pressure on both sides.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 compare it to the U-bolt's inside dimensions (A and B) to ensure a proper fit.
Over-tightening the nuts, leading to deformation of the pipe or bolt.Apply torque gradually and evenly to both nuts, stopping once the pipe is firmly secured without visible deformation.

Common Applications

  • Piping systems in corrosive environments (e.g., chemical plants, wastewater treatment)
  • Marine and offshore applications requiring corrosion resistance
  • Food and beverage processing lines
  • General structural support and pipe clamping

⚠️ Engineering Warnings

  • Ensure material compatibility with the surrounding environment and transported media to prevent premature corrosion.
  • Regularly inspect U-bolts for signs of wear, corrosion, or loosening, especially in high-vibration or extreme temperature applications.

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: Piping systems in corrosive environments (e.g., chemical plants, wastewater treatment), Marine and offshore applications requiring corrosion resistance, Food and beverage processing lines, General structural support and pipe clamping.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.11"B4.80"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.