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

Expert Overview

Engineered for superior corrosion resistance and robust structural support, this 304 stainless steel U-bolt is specifically designed for securing 3-inch diameter piping systems. Its precise dimensions ensure a reliable and long-lasting fit in demanding environments.

StandardASME B18
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.13"
Inside Length ( B)2.08"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt features an inside width (A) of 1.13 inches and an inside length (B) of 2.08 inches, ideal for accommodating standard 3-inch nominal pipe. Constructed from high-grade 304 stainless steel, it offers exceptional resistance to a wide range of corrosive agents, including chlorides, acids, and alkaline solutions, making it suitable for marine, chemical processing, and food-grade applications. The 1/2"-13 UNC threads provide ample strength for secure fastening with standard nuts and washers, ensuring structural integrity and vibration resistance in critical infrastructure and industrial settings.

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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
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"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" pipe, ensuring it is centered and flush against the mounting surface. 2. Thread the nuts onto the U-bolt legs, initially by hand to ensure proper engagement and alignment. 3. Using appropriate wrenches, tighten the nuts incrementally and evenly on both sides to achieve the specified torque, ensuring a secure and stable installation without over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 a U-bolt with incorrect dimensions for the pipe size.Verify the pipe's nominal and actual outer diameter, and select a U-bolt with matching inside width and length specifications.
Over-tightening the U-bolt nuts, leading to pipe deformation or stress.Consult torque specifications for the specific application and material being secured, and use a calibrated torque wrench for accurate tightening.
Installing in a corrosive environment without using stainless steel.Always select materials resistant to the expected environmental conditions; 304 stainless steel is suitable for many corrosive applications, but consider 316L for more aggressive environments.

Common Applications

  • Piping support and clamping in marine environments
  • Securing conduits and cables in chemical processing plants
  • Structural support for HVAC ductwork and exhaust systems
  • Mounting of antennas and equipment on towers

⚠️ Engineering Warnings

  • Ensure compatibility of the U-bolt material with the surrounding environment to prevent premature corrosion.
  • Always use appropriate safety equipment, including gloves and eye protection, during installation.

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 support and clamping in marine environments, Securing conduits and cables in chemical processing plants, Structural support for HVAC ductwork and exhaust systems, Mounting of antennas and equipment on towers.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.13"B2.08"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.