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304 Stainless Steel Industrial O-Ring Seals | 0.351" ID

Expert Overview

Engineered for exceptional durability, this 304 stainless steel industrial O-ring provides robust sealing in extreme conditions. Its precise dimensions ensure a reliable and long-lasting seal.

StandardDIN 933
Material304 Stainless Steel
FinishPlain
GradeN/A
Inside Diameter0.351"
Outside Diameter1.069"
Cross Section0.250"

Detailed Engineering Specifications

Purpose-built for heavy-duty applications, this industrial O-ring features a 0.351-inch inside diameter, a 1.069-inch outside diameter, and a 0.250-inch cross-section. Constructed from high-grade 304 stainless steel, it offers superior corrosion resistance, high tensile strength, and excellent performance across a wide temperature range, making it ideal for demanding chemical processing, high-pressure fluid systems, and environments prone to aggressive media. The material's inherent toughness ensures a secure and leak-proof seal under significant stress.

🧊 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.

TrelleborgEst. 1905
Sweden🇸🇪
"Engineered polymer solutions."
Market Rank
🏆 #1 Engineered Polymers
Industry Approvals
🚀 Aerospace & Subsea Approved
Warranty & Support
🛡️ High-Performance Guarantee
Green Manufacturing
🌱 Blue Dimension ESG
Certified:ISO 9001, ISO 14001
GarlockEst. 1887
USA🇺🇸
"High-performance fluid sealing."
Market Rank
🏆 Premium Fluid Sealing Leader
Industry Approvals
🚀 Nuclear & Pharma Approved
Warranty & Support
🛡️ Zero-Leak Guarantee
Green Manufacturing
🌱 Sustainable Materials
Certified:ISO 9001, FDA, NSF
FreudenbergEst. 1849
Germany🇩🇪
"Global sealing technologies."
Market Rank
🏆 Top Global Sealing Tech
Industry Approvals
🚀 Audi & Mercedes OEM
Warranty & Support
🛡️ Global Engineering Support
Green Manufacturing
🌱 Climate Neutral 2045
Certified:IATF 16949, ISO 14001

Certifications & Compliance

RoHS Compliant:Yes
REACH Compliant:Yes
Material Traceability:Available on Request
DFARS Compliant:Yes

Installation Procedure

1. Ensure mating surfaces are clean and free of debris. 2. Carefully place the O-ring into its designated groove. 3. Apply appropriate lubricant if specified for the application, ensuring even distribution.

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)18.0 - 20.0%
Nickel (Ni)8.0 - 10.5%
Manganese (Mn)2.00% max

Temperature & Environment Rating

Min Operating Temp
-320°F (-195°C)
Max Continuous Temp
1400°F (760°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 / SaltwaterGood
Chemical / AcidicNot Recommended

Common Mistakes & How to Avoid Them

❌ Mistake✅ Correct Approach
Using an O-ring that is too small or too large for the groove.Verify the O-ring's dimensions (ID, OD, and CS) precisely match the groove specifications.
Installing the O-ring with sharp tools that can nick or cut the material.Utilize rounded or plastic installation tools to prevent damage to the O-ring during assembly.

Common Applications

  • High-pressure hydraulic systems
  • Chemical processing equipment
  • Automotive and aerospace seals

⚠️ Engineering Warnings

  • Ensure compatibility of 304 stainless steel with the specific fluid or gas being sealed.
  • Do not exceed the recommended temperature or pressure limits for the O-ring.

Alternative Products to Consider

Premium Sealing equivalentHigher corrosion resistance (316 SS)
Economy Sealing optionLower cost for non-critical indoor applications

Frequently Asked Questions

Q: What is the Industrial O-Ring, Silicone made from?

A: This Industrial O-Ring, Silicone is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: High-pressure hydraulic systems, Chemical processing equipment, Automotive and aerospace seals.

Technical Schematic

O-RING SEAL DIAGRAMAS568 Standard ConfigurationID = 0.351"CS = 0.250"SPECIFICATIONSSize: -214

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.