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316 Stainless Steel U-Bolt for 4" Pipe - 3.25" Width | 1/2"-13 Thread

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt securely fastens 4" diameter pipes. Its robust construction ensures long-lasting performance in harsh environments.

StandardASME B18
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)3.25"
Inside Length ( B)3.45"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is precisely fabricated from premium 316 stainless steel, renowned for its exceptional resistance to pitting and crevice corrosion, making it ideal for marine, chemical processing, and food-grade applications. Featuring an inside width (A) of 3.25 inches and an inside length (B) of 3.45 inches, it is designed to accommodate standard 4-inch nominal pipe sizes. The threads are a standard 1/2"-13 UNC, ensuring compatibility with common hardware and fittings. This material grade offers superior durability and longevity compared to lower stainless steel grades.

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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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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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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 desired mounting surface. 2. Thread the nuts onto the U-bolt legs, hand-tightening initially. 3. Use appropriate wrenches to uniformly tighten the nuts, ensuring the pipe is securely held without deformation. Torque to manufacturer specifications if applicable.

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)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 an incorrect U-bolt size for the pipe diameter.Always verify the nominal pipe size and select a U-bolt with the corresponding inside width and length specifications.
Over-tightening the U-bolt, potentially crushing the pipe or damaging the threads.Tighten nuts evenly and to the recommended torque. Avoid excessive force; snug and secure is sufficient for most applications.
Using a lower grade of stainless steel in corrosive environments.Ensure the application's environmental conditions necessitate the superior corrosion resistance of 316 stainless steel for longevity.

Common Applications

  • Marine pipe support and mounting
  • Chemical processing equipment fastening
  • Food and beverage industry infrastructure
  • Offshore oil and gas installations
  • Wastewater treatment facilities

⚠️ Engineering Warnings

  • Ensure proper thread engagement to prevent stripping.
  • Regularly inspect for signs of corrosion or stress, especially in harsh environments.

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 and mounting, Chemical processing equipment fastening, Food and beverage industry infrastructure, Offshore oil and gas installations, Wastewater treatment facilities.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.25"B3.45"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.