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316 Stainless Steel U-Bolt: 4" Pipe, 1/2"-13 Thread

Expert Overview

Engineered for superior corrosion resistance, this 316 stainless steel U-bolt is designed to securely fasten 4" diameter pipes. Its robust construction ensures long-term performance in harsh industrial and marine settings.

StandardDIN 933
Material316 Stainless Steel
FinishPlain
GradeN/A
Inside Width ( A)1.98"
Inside Length ( B)2.61"
Thread Size1/2"-13

Detailed Engineering Specifications

Manufactured under strict quality controls, this U-bolt features 316 stainless steel construction, renowned for its exceptional resistance to pitting, crevice corrosion, and general corrosion, even in chloride-rich environments. With an inside width (A) of 1.98 inches and an inside length (B) of 2.61 inches, it is precisely dimensioned to accommodate standard 4" pipe outer diameters. The 1/2"-13 UNC thread size provides ample engagement for secure fastening with matching nuts and washers (sold separately), ensuring reliable pipe support in applications ranging from shipbuilding to chemical processing.

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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
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"Industrial adhesives and sealants."
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McMaster-CarrEst. 1901
USA🇺🇸
"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 4" pipe, ensuring it rests flush against the mounting surface. 2. Thread the nuts onto both ends of the U-bolt, hand-tightening initially. 3. Using appropriate wrenches, tighten the nuts evenly and incrementally until the desired clamping force is achieved, ensuring a secure and stable pipe connection.

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
Overtightening the U-bolt nuts.Tighten nuts evenly and incrementally to the recommended torque specification to avoid deforming the pipe or damaging the U-bolt threads. Refer to pipe support guidelines for precise torque values.
Using a U-bolt with insufficient corrosion resistance for the application environment.Always select a U-bolt material, such as 316 stainless steel, that is specifically rated for the corrosive elements present in the operating environment to ensure longevity and prevent premature failure.

Common Applications

  • Marine and offshore structures
  • Chemical processing plants
  • Food and beverage industry piping
  • Water treatment facilities
  • General industrial pipe support

⚠️ Engineering Warnings

  • Ensure nuts and washers are compatible with 316 stainless steel to prevent galvanic corrosion.
  • Verify that the U-bolt dimensions are appropriate for the specific pipe outer diameter and wall thickness being supported.

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 structures, Chemical processing plants, Food and beverage industry piping, Water treatment facilities, General industrial pipe support.

Technical Schematic

U-BOLT DIMENSIONAL DIAGRAMASME B18.31.5PIPE1"NUTNUTA = 1.98"B2.61"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.