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316 Stainless Steel U-Bolt | 3" Pipe | 1.07" W x 7.02" L

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt securely fastens 3" diameter piping systems. Its robust construction ensures long-term performance in demanding environments.

StandardDIN 933
Material316 Stainless Steel
FinishZinc Plated
GradeN/A
Inside Width ( A)1.07"
Inside Length ( B)7.02"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this U-bolt features a 1.07" inside width (A) and a 7.02" inside length (B), precisely accommodating standard 3" nominal pipe. Constructed from premium 316 stainless steel, it offers exceptional resistance to pitting, crevice corrosion, and general corrosion in aggressive media, including saltwater and chemical solutions. The 1/2"-13 UNC thread size ensures compatibility with standard nuts and washers for a secure and reliable mounting solution. Ideal for marine, chemical processing, and offshore applications where material integrity is 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
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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 the pipe rests evenly within the curved section. 2. Place the included washers onto the threaded legs of the U-bolt. 3. Thread the nuts onto the U-bolt legs and tighten them evenly until snug, ensuring secure pipe clamping without over-compression.

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 the wrong size U-bolt for the pipe diameter.Always verify the pipe's nominal diameter and select a U-bolt with the corresponding inside width and length specifications.
Improper tightening, leading to pipe deformation or insufficient clamping force.Tighten nuts evenly and progressively on both sides to distribute pressure and achieve secure, uniform clamping.

Common Applications

  • Marine pipe support
  • Chemical processing equipment
  • Offshore structural mounting
  • Wastewater treatment systems

⚠️ Engineering Warnings

  • Ensure compatibility of mating hardware (nuts and washers) with 316 stainless steel to prevent galvanic corrosion.
  • Do not exceed the recommended torque specifications to avoid damaging the pipe or the U-bolt.

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, Offshore structural mounting, Wastewater treatment systems.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.07"B7.02"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.