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316 Stainless U-Bolt for 3" Pipe - 3.07" W x 3.53" L

Expert Overview

Engineered for superior performance, this 316 Stainless Steel U-Bolt is specifically designed to secure 3" nominal pipe. Its robust construction and corrosion resistance make it ideal for harsh and marine environments.

StandardDIN 933
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)3.07"
Inside Length ( B)3.53"
Thread Size1/2"-13

Detailed Engineering Specifications

Specified by design engineers worldwide, this 316 Stainless Steel U-Bolt offers exceptional durability and corrosion resistance, crucial for applications exposed to moisture, chemicals, and saltwater. With an inside width (A) of 3.07 inches and an inside length (B) of 3.53 inches, it precisely accommodates standard 3-inch nominal pipe. The robust 1/2"-13 UNC threads ensure secure fastening. Manufactured from high-grade 316 stainless steel, it provides superior protection against pitting and crevice corrosion compared to lower 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🇺🇸
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LoctiteEst. 1953
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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. Position the U-bolt around the 3" pipe, ensuring it spans the desired location. 2. Place the provided mounting plate (if applicable) or washers and nuts onto the threaded ends of the U-bolt. 3. Tighten the nuts evenly and securely, applying appropriate torque to prevent pipe movement without over-stressing the components.

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 size and select a U-bolt with compatible inside dimensions (A) for a snug fit.
Insufficient or uneven tightening of nuts.Tighten nuts gradually and alternately to ensure even pressure distribution and prevent slippage or damage.
Using carbon steel U-bolts in corrosive environments.For marine, chemical, or high-moisture applications, always opt for 316 stainless steel to guarantee long-term corrosion resistance.

Common Applications

  • Marine hardware and fittings
  • Chemical processing equipment support
  • Plumbing and pipe support in corrosive environments
  • Industrial exhaust systems
  • Offshore structures

⚠️ Engineering Warnings

  • Ensure the U-bolt material is compatible with the environment to prevent premature corrosion.
  • Do not exceed the recommended torque specifications for tightening to avoid thread damage or pipe deformation.

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 fittings, Chemical processing equipment support, Plumbing and pipe support in corrosive environments, Industrial exhaust systems, Offshore structures.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 3.07"B3.53"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.