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4" 304 Stainless Steel U-Bolt | Pipe Support

Expert Overview

Engineered for robust pipe securing, this 4" U-bolt is crafted from premium 304 stainless steel. It offers superior corrosion resistance and long-term durability in demanding environments.

StandardDIN 933
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)4.70"
Inside Length ( B)5.25"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is precision manufactured from ASME-grade 304 stainless steel, ensuring exceptional corrosion resistance and structural integrity in corrosive or high-moisture environments. The 4.70-inch inside width (A) is specifically designed to accommodate standard 4-inch nominal pipe sizes, while the 5.25-inch inside length (B) provides ample thread engagement for secure fastening. Featuring robust 1/2"-13 UNC threads, this U-bolt is engineered to withstand significant static and dynamic loads, making it ideal for industrial piping, marine applications, and structural supports where reliability is paramount. The inherent properties of 304 stainless steel, including its resistance to pitting and crevice corrosion, guarantee 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."
Market Rank
🏆 Global Innovation Leader
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🚀 Aviation & Medical Approved
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🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #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, ensuring it rests within a compatible pipe strap or saddle. 2. Thread the provided nuts onto the U-bolt legs, hand-tightening initially. 3. Use appropriate wrenches to tighten the nuts evenly on both sides until snug, then torque to the manufacturer's recommended specification for the application, ensuring the pipe is securely held without deformation.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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
Over-tightening the U-bolt nuts, which can deform the pipe or bracket.Utilize a torque wrench to apply the specified torque, ensuring consistent and secure fastening without over-stressing components.
Using a U-bolt of incorrect dimensions, leading to a loose or damaging fit.Verify pipe size and confirm the U-bolt's inside width and length specifications match the application's requirements before installation.

Common Applications

  • Industrial pipe support systems
  • Marine and offshore installations
  • Structural framework and bracing

⚠️ Engineering Warnings

  • Ensure compatibility with existing mounting hardware and pipe material.
  • Always wear 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, 4" Pipe made from?

A: This 304 Stainless Steel U-Bolt, 4" Pipe is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Industrial pipe support systems, Marine and offshore installations, Structural framework and bracing.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.70"B5.25"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.