Home > Fabricating > 304 Stainless Steel Stock Sheet

304 Stainless Steel Sheet | 0.343" x 45" x 20" | Fabricating Grade

Expert Overview

This 304 stainless steel stock sheet is a premium choice for demanding fabrication projects. Its robust construction and superior corrosion resistance make it ideal for a wide range of industrial and commercial applications requiring durability.

StandardISO 9001
Material304 Stainless Steel
FinishPlain
GradeN/A
Thickness0.343"
Length45"
Width20"

Detailed Engineering Specifications

Manufactured under strict quality controls, this 304 stainless steel sheet offers exceptional performance. With a nominal thickness of 0.343 inches, a length of 45 inches, and a width of 20 inches, it meets the rigorous demands of ASTM A240 standards. The austenitic 304 alloy provides excellent formability, weldability, and resistance to a broad spectrum of corrosive environments, including atmospheric conditions, food processing, and chemical exposure. Its inherent toughness and non-magnetic properties at room temperature further enhance its suitability for critical applications.

🧊 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. Ensure the fabrication area is clean and free from contaminants. 2. Accurately mark and cut the sheet to the required dimensions using appropriate cutting tools for stainless steel. 3. Prepare edges for welding or joining according to specific project requirements, ensuring proper surface treatment to maintain corrosion resistance.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardISO 9001

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 carbon steel cutting tools, leading to contamination and reduced corrosion resistance.Utilize dedicated stainless steel cutting tools (e.g., plasma cutters, abrasive saws with specific blades) to prevent carbide precipitation and maintain material integrity.
Improper surface preparation before welding, resulting in weak joints and potential corrosion initiation.Thoroughly clean weld areas with stainless steel-specific degreasers and wire brushes. Use inert gas shielding during welding to prevent oxidation.

Common Applications

  • Custom fabrication of machinery components
  • Food processing equipment and tanks
  • Architectural elements and cladding

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE) when handling and fabricating stainless steel.
  • Ensure proper ventilation when cutting or welding to avoid exposure to fumes.

Alternative Products to Consider

Premium Fabricating equivalentHigher corrosion resistance (316 SS)
Economy Fabricating 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 machinery components, Food processing equipment and tanks, Architectural elements and cladding.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 45"W: 20"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.