Home > U-Bolts > 304 Stainless Steel U-Bolt, 4" Pipe

304 Stainless Steel U-Bolt for 4" Pipe | 3.56" W x 6.50" L

Expert Overview

Securely fasten 4" pipes with this robust 304 stainless steel U-bolt. Engineered for superior corrosion resistance, it ensures long-lasting integrity in demanding environments.

StandardASTM A106
Material304 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)3.56"
Inside Length ( B)6.50"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 304 stainless steel U-bolt is precisely manufactured to accommodate a 4" nominal pipe size. Its critical dimensions include an inside width (A) of 3.56 inches and an inside length (B) of 6.50 inches. The robust 1/2"-13 UNC threading provides a secure and reliable connection. Constructed from Type 304 stainless steel, it offers excellent resistance to a wide range of corrosive agents, including atmospheric conditions, many organic and inorganic chemicals, and food processing environments, making it suitable for demanding applications where material integrity is paramount.

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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 rests on a suitable mounting surface or bracket. 2. Thread the nuts onto the U-bolt legs until snug against the mounting surface. 3. Tighten nuts alternately and evenly to achieve the specified clamping force, avoiding over-tightening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASTM A106

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 the wrong U-bolt size for the pipe diameter.Verify the nominal pipe size and confirm the U-bolt's inside dimensions (width and length) are appropriate for a secure fit without excessive play or compression.
Over-tightening the nuts, which can distort the pipe or mounting surface.Tighten nuts incrementally and alternately, using a torque wrench if precise clamping force is required. Consult pipe and mounting surface specifications for recommended torque values.

Common Applications

  • Marine and offshore environments
  • Chemical processing plants
  • Food and beverage industries
  • Plumbing and pipe support systems

⚠️ Engineering Warnings

  • Ensure compatibility of the 304 stainless steel with the specific corrosive media present in the application.
  • Verify that the mounting surface and any associated hardware are also corrosion-resistant and adequately rated for the load.

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: Marine and offshore environments, Chemical processing plants, Food and beverage industries, Plumbing and pipe support systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.56"B6.50"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.