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4" 304 Stainless Steel U-Bolt | Pipe Support & Clamping

Expert Overview

This 4" U-bolt, crafted from premium 304 stainless steel, offers superior corrosion resistance and long-term durability. Designed for secure pipe mounting and support, ensuring system integrity in demanding environments.

StandardASTM A106
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)4.65"
Inside Length ( B)4.03"
Thread Size1/2"-13

Detailed Engineering Specifications

Precision-manufactured to tight tolerances, this U-bolt is engineered for optimal performance in demanding applications. Constructed from high-grade 304 stainless steel, it exhibits excellent resistance to corrosion and oxidation, making it suitable for marine, chemical processing, and outdoor environments. The 4.65" inside width (A) accommodates standard 4" nominal pipes, while the 4.03" inside length (B) provides ample clearance for mounting. Featuring a robust 1/2"-13 thread size, it ensures secure fastening with compatible nuts and washers, offering reliable structural support and vibration dampening for piping systems.

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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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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 4" pipe and the mounting surface. 2. Thread the nuts onto the U-bolt legs, ensuring a snug fit against the mounting surface. 3. Tighten the nuts evenly and progressively to achieve the required clamping force, avoiding overtightening.

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 incorrect size U-bolt for the pipe diameter.Always verify the nominal pipe size against the U-bolt's inside width (A) to ensure a proper fit.
Insufficient or uneven tightening of nuts.Tighten nuts incrementally and evenly on both legs to distribute stress and prevent pipe deformation.
Using a material not suited for the environment.Select 304 stainless steel for corrosive or high-moisture environments; consider other alloys for extreme conditions.

Common Applications

  • Pipe support and anchoring
  • Conduit and cable tray mounting
  • General structural clamping and fastening

⚠️ Engineering Warnings

  • Ensure nuts and washers are compatible with the 1/2"-13 thread size.
  • Do not exceed the specified torque limits to prevent damage to the pipe or mounting surface.

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: Pipe support and anchoring, Conduit and cable tray mounting, General structural clamping and fastening.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.65"B4.03"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.