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304 Stainless Steel U-Bolt for 3" Pipe | 1/2"-13 Threads

Expert Overview

Engineered for robust pipe support, this 304 stainless steel U-bolt ensures secure fastening for 3" nominal diameter pipes. Its corrosion resistance makes it ideal for harsh environments and critical infrastructure.

StandardISO 9001
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)2.76"
Inside Length ( B)4.75"
Thread Size1/2"-13

Detailed Engineering Specifications

Trusted by engineers across multiple sectors, this 304 stainless steel U-bolt is precision-manufactured to reliably secure 3" nominal pipe. Featuring an inside width (A) of 2.76 inches and an inside length (B) of 4.75 inches, it accommodates standard pipe dimensions. The robust 1/2"-13 UNC thread size offers substantial holding power and compatibility with common mounting hardware. Crafted from 304 stainless steel, it exhibits excellent resistance to corrosion, oxidation, and a wide range of chemicals, making it suitable for marine, chemical processing, food and beverage, and general industrial applications.

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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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McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
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🏆 #1 Industrial Supply Standard
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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 pipe, ensuring it is centered. 2. Place the provided mounting plate (if applicable) or bracket against the pipe and U-bolt legs. 3. Thread the nuts onto the U-bolt legs and tighten evenly using appropriate wrenches, alternating sides to ensure uniform pressure.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 the U-bolt nuts.Tighten nuts to the recommended torque specification to avoid deforming the pipe or U-bolt.
Using the wrong size U-bolt for the pipe.Verify the nominal pipe diameter and the U-bolt's inside dimensions (A and B) to ensure a proper fit.

Common Applications

  • Pipe support and anchoring
  • Marine hardware applications
  • Chemical processing equipment
  • Plumbing and HVAC systems

⚠️ Engineering Warnings

  • Ensure threads are clean and free of debris before installation to prevent cross-threading.
  • Use appropriate thread lubricant if installing in a corrosive environment to facilitate future removal.

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 support and anchoring, Marine hardware applications, Chemical processing equipment, Plumbing and HVAC systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 2.76"B4.75"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.