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304 Stainless Steel Sheet | 0.342" x 21" x 21" | Industrial Grade

Expert Overview

Engineered for resilience, this 304 stainless steel stock sheet offers superior durability and corrosion resistance. Ideal for fabricating critical safety components and protective barriers in harsh industrial settings.

StandardDIN 933
Material304 Stainless Steel
FinishZinc Plated
GradeN/A
Thickness0.342"
Length21"
Width21"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 0.342" thick 304 stainless steel stock sheet measures 21" x 21". Composed of a minimum of 18% chromium and 8% nickel, it provides excellent resistance to oxidation and general corrosion. The alloy's inherent strength and formability make it suitable for fabricating machine guards, splash shields, protective enclosures, and structural elements requiring high integrity and longevity. Its smooth, non-porous surface also facilitates easy cleaning and maintenance, crucial for maintaining hygiene and preventing contaminant buildup in regulated environments.

🧊 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
USA🇺🇸
"Science applied to life."
Market Rank
🏆 Global Innovation Leader
Industry Approvals
🚀 Aviation & Medical Approved
Warranty & Support
🛡️ Premium Performance Guarantee
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🌱 100% Renewable Energy HQ
Certified:ISO 9001, ISO 14001
LoctiteEst. 1953
Germany🇩🇪
"Industrial adhesives and sealants."
Market Rank
🏆 #1 Global Adhesives
Industry Approvals
🚀 Formula 1 & Aerospace OEM
Warranty & Support
🛡️ 24/7 Application Support
Green Manufacturing
🌱 Climate Positive 2030
Certified:ISO 9001, IATF 16949
McMaster-CarrEst. 1901
USA🇺🇸
"Complete industrial supply."
Market Rank
🏆 #1 Industrial Supply Standard
Industry Approvals
🚀 US Military Approved
Warranty & Support
🛡️ Lifetime Return Policy
Green Manufacturing
🌱 Sustainable Logistics
Certified:ISO 9001 Compliant

Certifications & Compliance

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

Installation Procedure

1. Ensure the installation area is clean and free of debris. 2. Precisely cut the sheet to the required dimensions using appropriate metal cutting tools. 3. Securely fasten the sheet using industry-standard mounting hardware, ensuring a rigid and stable installation.

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 undersized fasteners for sheet mounting.Utilize fasteners of adequate size and material (e.g., stainless steel) to ensure secure and lasting attachment, preventing vibration-induced loosening.
Improper handling leading to surface scratches or dents.Employ protective coverings during transport and installation, and use non-abrasive tools when manipulating the sheet to maintain surface integrity.

Common Applications

  • Machine Guarding
  • Protective Barriers
  • Splash Shields

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE) including safety glasses, gloves, and hearing protection when cutting or fabricating.
  • Ensure proper ventilation when welding or grinding stainless steel to avoid exposure to hazardous fumes.

Alternative Products to Consider

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

Frequently Asked Questions

Q: What is the 304 Stainless Steel Stock Sheet made from?

A: This 304 Stainless Steel Stock Sheet is manufactured from 304 Stainless Steel.

Q: What are the main applications?

A: Machine Guarding, Protective Barriers, Splash Shields.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 21"W: 21"GENERAL COMPONENT304 Stainless Steel Stock Sheet

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.