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

Expert Overview

Engineered for robust pipe support in demanding environments, this 304 stainless steel U-bolt ensures reliable performance. Its corrosion resistance and precise dimensions make it ideal for critical industrial applications.

StandardASME B18
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.25"
Inside Length ( B)5.99"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this U-bolt is fabricated from high-grade 304 stainless steel, renowned for its excellent corrosion resistance, particularly in saline or chemically active atmospheres. The internal dimensions are meticulously engineered for a secure fit around a 3-inch nominal pipe size, featuring an inside width (A) of 1.25 inches and an inside length (B) of 5.99 inches. The robust 1/2"-13 UNC thread size allows for secure fastening with standard nuts and washers, ensuring a stable and long-lasting installation in a wide array of structural and mechanical 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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🚀 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 pipe, ensuring it is seated correctly within any designated saddles or supports. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially to align the components. 3. Tighten the nuts evenly and progressively using appropriate wrenches until the desired clamping force is achieved, ensuring the pipe is securely held without deformation.

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
Selecting the wrong U-bolt size for the pipe diameter, leading to a loose or overly tight fit.Always verify the nominal pipe size and cross-reference with the U-bolt's internal dimensions (width and length) to ensure compatibility.
Using standard steel U-bolts in corrosive environments, resulting in premature rust and failure.For environments exposed to moisture, chemicals, or salt, exclusively use U-bolts made from corrosion-resistant materials like 304 or 316 stainless steel.

Common Applications

  • Marine and offshore piping systems
  • Chemical processing plants
  • Food and beverage industry plumbing
  • Wastewater treatment facilities
  • General structural pipe support

⚠️ Engineering Warnings

  • Ensure thread engagement is sufficient for secure fastening. Over-tightening can damage threads.
  • Periodically inspect U-bolts for signs of corrosion, wear, or loosening, especially in harsh environments.

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 and offshore piping systems, Chemical processing plants, Food and beverage industry plumbing, Wastewater treatment facilities, General structural pipe support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.25"B5.99"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.