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316 Stainless Steel U-Bolt for 4" Pipe - 4.19" W x 7.02" L

Expert Overview

This robust 316 stainless steel U-bolt is engineered to securely fasten 4-inch nominal diameter pipes. Its superior corrosion resistance makes it ideal for demanding environments where durability and longevity are paramount.

StandardDIN 933
Material316 Stainless Steel
FinishGalvanized
GradeN/A
Inside Width ( A)4.19"
Inside Length ( B)7.02"
Thread Size1/2"-13

Detailed Engineering Specifications

Engineered for reliability and performance, this U-bolt is constructed from premium 316 stainless steel, offering exceptional resistance to pitting, crevice corrosion, and general corrosion, even in aggressive chloride-rich environments. With an inside width (A) of 4.19 inches and an inside length (B) of 7.02 inches, it is precisely designed to accommodate standard 4-inch Schedule 40 pipe dimensions. The 1/2"-13 UNC thread size ensures a strong, secure fastening capability when used with compatible nuts and mounting plates. This material selection is critical for applications exposed to saltwater, chemicals, and high humidity, preventing premature failure and ensuring structural integrity.

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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🇺🇸
"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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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. Verify pipe outer diameter and U-bolt inside width for proper fitment. 2. Position the U-bolt around the pipe and through the mounting surface (e.g., beam clamp, mounting plate). 3. Thread nuts onto the U-bolt legs and tighten evenly to the specified torque, ensuring the pipe is firmly secured without deformation.

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
Selecting a U-bolt for the nominal pipe size without verifying actual pipe OD.Always measure the actual outer diameter of the pipe to ensure compatibility with the U-bolt's inside width.
Overtightening the nuts, potentially deforming the pipe or damaging the threads.Use a torque wrench to tighten nuts to the manufacturer's recommended torque specification for the fastener size and application.
Using standard carbon steel U-bolts in corrosive environments, leading to premature rust and failure.Always select 316 stainless steel or a comparable corrosion-resistant material for marine, chemical, or outdoor applications.

Common Applications

  • Marine and offshore installations
  • Chemical processing plants
  • Wastewater treatment facilities
  • Food and beverage industry piping
  • Outdoor conduit and pipe support

⚠️ Engineering Warnings

  • Ensure compatibility of nuts and washers with the U-bolt thread size and material.
  • Do not exceed the maximum load capacity specified for the U-bolt and its mounting hardware.
  • Regularly inspect U-bolts for signs of corrosion, wear, or loosening, especially in harsh environments.

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 and offshore installations, Chemical processing plants, Wastewater treatment facilities, Food and beverage industry piping, Outdoor conduit and pipe support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 4.19"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.