Home > U-Bolts > 304 Stainless Steel U-Bolt, 3" Pipe

304 Stainless Steel U-Bolt for 3" Pipe | 3.94" W x 7.42" L

Expert Overview

Engineered for superior pipe support, this 304 stainless steel U-bolt ensures robust and corrosion-resistant anchoring for 3" nominal pipe. Its precise dimensions guarantee a secure fit and long-lasting performance in challenging industrial settings.

StandardASME B18
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)3.94"
Inside Length ( B)7.42"
Thread Size1/2"-13

Detailed Engineering Specifications

A proven choice for industrial professionals, this 304 stainless steel U-bolt is engineered for demanding applications. With an inside width (A) of 3.94 inches and an inside length (B) of 7.42 inches, it is specifically designed to accommodate 3-inch nominal pipe sizes. The robust 1/2"-13 thread size provides exceptional holding power and compatibility with standard hardware. Fabricated from high-grade 304 stainless steel, this U-bolt offers superior corrosion resistance, making it ideal for environments exposed to moisture, chemicals, and varying temperatures, ensuring structural integrity and extended service life.

🧊 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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🌱 Climate Positive 2030
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. Position the U-bolt around the pipe and secure it to the mounting surface or bracket. 2. Hand-tighten the nuts onto the threaded ends of the U-bolt. 3. Using appropriate wrenches, tighten the nuts evenly and progressively to the manufacturer's recommended torque specification to ensure a secure and stable installation without over-compression.

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 incorrect U-bolt size for the pipe diameter, leading to loose or damaged pipe.Always verify the nominal pipe size and select a U-bolt with matching inside dimensions, ensuring a snug fit without deformation of the pipe.
Overtightening the nuts, which can deform the pipe or the U-bolt, reducing its structural integrity.Adhere to recommended torque specifications for the fastener size and material to achieve secure fastening without causing damage.
Using standard carbon steel U-bolts in corrosive environments, leading to premature rust and failure.Select U-bolts made from appropriate corrosion-resistant materials like 304 or 316 stainless steel when exposed to moisture, chemicals, or saltwater.

Common Applications

  • Plumbing and pipe support in chemical processing plants
  • Marine and offshore installations requiring corrosion resistance
  • Structural support for conduit and tubing in harsh industrial environments

⚠️ Engineering Warnings

  • Ensure compatibility of thread pitch and size with mating hardware before installation.
  • Always use appropriate personal protective equipment (PPE) 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: Plumbing and pipe support in chemical processing plants, Marine and offshore installations requiring corrosion resistance, Structural support for conduit and tubing in harsh industrial environments.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.94"B7.42"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.