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316 Stainless Steel U-Bolt for 3" Pipe

Expert Overview

This heavy-duty 316 stainless steel U-bolt is engineered for secure mounting of 3-inch pipes. Its superior corrosion resistance makes it ideal for demanding industrial and marine environments.

StandardDIN 933
Material316 Stainless Steel
FinishBlack Oxide
GradeN/A
Inside Width ( A)3.10"
Inside Length ( B)6.52"
Thread Size1/2"-13

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this U-bolt is forged from marine-grade 316 stainless steel, renowned for its exceptional resistance to pitting, crevice corrosion, and general corrosion, particularly in chloride-rich environments. The precise dimensions, including an inside width (A) of 3.10" and an inside length (B) of 6.52", are designed to accommodate standard 3-inch nominal pipe sizes. The robust 1/2"-13 UNC threading ensures a secure and reliable fastening solution for structural supports and pipe hangers, maintaining integrity under significant load and vibration.

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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
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McMaster-CarrEst. 1901
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"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. Select appropriate U-bolt and mounting hardware based on load requirements and substrate. 2. Position the U-bolt around the 3" pipe, ensuring it rests on the pipe's outer diameter. 3. Securely fasten the U-bolt using the provided or specified nuts and washers to the mounting surface, tightening evenly on both legs.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardDIN 933

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 carbon steel U-bolts in corrosive environments.Always specify 316 stainless steel for marine, chemical, or high-humidity applications to prevent premature rust and failure.
Improperly sizing the U-bolt for the pipe diameter.Confirm the U-bolt's inside width and length are appropriate for the nominal pipe size to ensure a snug and secure fit.

Common Applications

  • Marine pipe support
  • Chemical processing equipment mounting
  • Wastewater treatment infrastructure
  • Offshore oil and gas platforms

⚠️ Engineering Warnings

  • Ensure mounting hardware (nuts and washers) are also made of 316 stainless steel to prevent galvanic corrosion.
  • Do not exceed the U-bolt's stated load capacity. Consult engineering specifications for safe working loads.

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 pipe support, Chemical processing equipment mounting, Wastewater treatment infrastructure, Offshore oil and gas platforms.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.10"B6.52"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.