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316 Stainless Steel U-Bolt | 3" Pipe | 4.06" W x 4.95" L

Expert Overview

Engineered for superior corrosion resistance, this 3" pipe U-bolt is precision-crafted from marine-grade 316 stainless steel. It ensures secure, long-lasting support in demanding environments.

StandardISO 9001
Material316 Stainless Steel
FinishPassivated
GradeN/A
Inside Width ( A)4.06"
Inside Length ( B)4.95"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt is constructed from premium 316 stainless steel, renowned for its excellent resistance to chloride corrosion, pitting, and crevice corrosion, making it ideal for marine, chemical, and food processing applications. The precise dimensions, with an Inside Width (A) of 4.06 inches and an Inside Length (B) of 4.95 inches, are designed for a secure fit on standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC threads provide ample strength for fastening with compatible nuts and washers, ensuring reliable structural support. Material hardness and tensile strength are verified to meet industry standards.

🧊 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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🏆 Global Innovation Leader
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🌱 100% Renewable Energy HQ
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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🌱 Climate Positive 2030
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. Identify the pipe and the mounting surface. 2. Position the U-bolt around the pipe, ensuring it straddles the pipe correctly. 3. Secure the U-bolt to the mounting surface using appropriate nuts and washers (not included).

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 standard steel U-bolts in corrosive environments.Always select 316 stainless steel for applications exposed to saltwater, chemicals, or high humidity to prevent premature corrosion and failure.
Incorrectly sizing the U-bolt for the pipe.Verify the nominal pipe size and confirm the U-bolt's inside width and length dimensions are appropriate for a snug and secure fit.

Common Applications

  • Marine hardware and rigging
  • Plumbing and pipe support in corrosive environments
  • Chemical processing equipment support

⚠️ Engineering Warnings

  • Ensure all fasteners (nuts and washers) are also made of 316 stainless steel to prevent galvanic corrosion.
  • Torque nuts to manufacturer specifications to avoid over-tightening or under-tightening, which can compromise structural integrity.

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, 3" Pipe made from?

A: This 316 Stainless Steel U-Bolt, 3" Pipe is manufactured from 316 Stainless Steel.

Q: What are the main applications?

A: Marine hardware and rigging, Plumbing and pipe support in corrosive environments, Chemical processing equipment support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.06"B4.95"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.