Home > U-Bolts > 316 Stainless Steel U-Bolt, 4" Pipe

4" 316 Stainless Steel U-Bolt | 1.91" Width | 1/2"-13 Thread

Expert Overview

Engineered from superior 316 stainless steel, this robust U-bolt ensures exceptional corrosion resistance for demanding environments. Precisely manufactured for secure pipe clamping, it's ideal for marine, chemical, and offshore applications.

StandardASTM A106
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)1.91"
Inside Length ( B)2.07"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this 4" pipe U-bolt is constructed from premium 316 stainless steel, renowned for its superior resistance to pitting and crevice corrosion in chloride-rich environments. The internal dimensions are meticulously engineered with an Inside Width (A) of 1.91 inches and an Inside Length (B) of 2.07 inches, ensuring a snug and secure fit around standard 4-inch nominal pipe. The threaded ends feature a robust 1/2"-13 UNC thread size, compatible with industry-standard nuts and washers for reliable fastening. This U-bolt is ideal for supporting pipes in corrosive atmospheres such as marine applications, chemical processing plants, and wastewater treatment facilities.

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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
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"Industrial adhesives and sealants."
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🏆 #1 Global Adhesives
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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 pipe, ensuring it is centrally located. 2. Thread the provided nuts onto the U-bolt ends, initially by hand to engage all threads. 3. Tighten the nuts evenly and securely using appropriate wrenches, ensuring consistent pressure is applied to both sides of the U-bolt.

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)16.0 - 18.0%
Nickel (Ni)10.0 - 14.0%
Molybdenum (Mo)2.0 - 3.0%

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1500°F (815°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 / SaltwaterExcellent
Chemical / AcidicGood

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal diameter and select a U-bolt with compatible internal dimensions (A and B) to ensure a secure and proper fit.
Under-tightening the nuts, leading to potential slippage or loosening.Ensure nuts are tightened to the manufacturer's recommended torque specifications or until the U-bolt provides firm, unwavering support for the pipe.
Using standard carbon steel U-bolts in corrosive environments.For marine, chemical, or high-humidity applications, always opt for 316 stainless steel to prevent premature corrosion and failure.

Common Applications

  • Marine pipe support
  • Chemical processing equipment
  • Offshore oil and gas installations
  • Wastewater treatment systems

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with the 1/2"-13 thread size.
  • Do not exceed the maximum load capacity of the U-bolt; consult engineering specifications if unsure.

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 316 Stainless Steel U-Bolt, 4" Pipe made from?

A: This 316 Stainless Steel U-Bolt, 4" Pipe is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine pipe support, Chemical processing equipment, Offshore oil and gas installations, Wastewater treatment systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.91"B2.07"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.