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

316 Stainless Steel U-Bolt 4" Pipe 1.11" W x 2.44" L

Expert Overview

Engineered for superior corrosion resistance and structural integrity, this 316 stainless steel U-bolt securely fastens 4" nominal pipe. Its robust construction ensures reliable performance in harsh environments.

StandardISO 9001
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)1.11"
Inside Length ( B)2.44"
Thread Size1/2"-13

Detailed Engineering Specifications

Built to exacting engineering tolerances, this U-bolt is precision-formed from high-grade 316 stainless steel, renowned for its exceptional resistance to pitting, crevice corrosion, and chloride attack. The internal dimensions are meticulously controlled: an Inside Width (A) of 1.11 inches and an Inside Length (B) of 2.44 inches, ensuring a precise fit for 4" nominal pipe. The standardized 1/2"-13 UNC thread size allows for broad compatibility with standard nuts and washers. This material composition makes it ideal for marine, chemical processing, and food/beverage applications where hygiene and longevity are paramount.

🧊 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."
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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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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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🌱 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. Place the U-bolt around the pipe and through the mounting surface. 2. Thread the provided nuts onto the U-bolt threads, initially by hand. 3. Tighten the nuts alternately using appropriate wrenches to achieve secure clamping force, ensuring even pressure on both sides.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 nominal pipe size and compare it against the U-bolt's inside width and length specifications to ensure a proper fit.
Over-tightening the nuts, leading to pipe deformation or thread damage.Tighten nuts firmly and evenly, avoiding excessive force. Consider using a torque wrench if specific torque values are critical for the application.
Using carbon steel fasteners with stainless steel U-bolts in corrosive environments.Always use compatible stainless steel nuts and washers to prevent galvanic corrosion and maintain the corrosion resistance of the entire assembly.

Common Applications

  • Marine applications (e.g., vessel piping, dock structures)
  • Chemical processing plants
  • Food and beverage processing equipment
  • Wastewater treatment facilities
  • Offshore oil and gas platforms

⚠️ Engineering Warnings

  • Ensure compatibility of all fasteners (nuts, washers) with 316 stainless steel to prevent galvanic corrosion.
  • Do not exceed the recommended load capacity for this 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 applications (e.g., vessel piping, dock structures), Chemical processing plants, Food and beverage processing equipment, Wastewater treatment facilities, Offshore oil and gas platforms.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.11"B2.44"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.