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304 Stainless Steel Sheet | 0.495" x 21" x 45" | Industrial Grade

Expert Overview

This robust 304 stainless steel stock sheet offers superior corrosion resistance and mechanical strength, making it ideal for fabrication and repair in harsh industrial settings.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Thickness0.495"
Length21"
Width45"

Detailed Engineering Specifications

Designed for demanding industrial environments, this 304 stainless steel stock sheet (ASTM A240 Type 304) measures 0.495 inches thick, 21 inches in width, and 45 inches in length. Its excellent corrosion resistance, high tensile strength (minimum 520 MPa), and formability make it suitable for fabricating custom components, structural supports, and protective barriers. The austenitic structure ensures good weldability and performance across a wide temperature range, resisting oxidation and pitting in corrosive atmospheres.

🧊 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
Green Manufacturing
🌱 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. Verify dimensions and material grade against project requirements. 2. Prepare cutting surfaces according to safety protocols and desired cut shape. 3. Secure sheet firmly before performing any cutting, bending, or welding operations.

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 standard cutting tools not rated for thick stainless steel, leading to inefficient cuts and tool damage.Employ specialized metal cutting tools such as abrasive cut-off wheels, plasma cutters, or waterjet cutters designed for heavy gauge stainless steel.
Neglecting proper ventilation and personal protective equipment when cutting or welding, exposing personnel to hazardous fumes and particles.Always use appropriate respiratory protection (e.g., N95 respirator or supplied air), safety glasses, gloves, and ensure adequate local exhaust ventilation during fabrication.

Common Applications

  • Custom fabrication of machine guards and enclosures
  • Repair and reinforcement of structural components
  • Substrates for specialized surface treatments and coatings

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE), including safety glasses, gloves, and hearing protection when handling or fabricating.
  • Thick stainless steel requires specialized cutting and forming equipment; ensure tools are rated for the material thickness and type to prevent injury and equipment damage.

Alternative Products to Consider

Premium Hand Tools equivalentHigher corrosion resistance (316 SS)
Economy Hand Tools 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: Custom fabrication of machine guards and enclosures, Repair and reinforcement of structural components, Substrates for specialized surface treatments and coatings.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 21"W: 45"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.