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304 Stainless Steel Sheet | 0.489" x 21" x 16" | HVAC & Industrial

Expert Overview

Engineered for demanding environments, this 304 stainless steel sheet offers superior corrosion resistance and formability, making it ideal for custom fabrication in heating, cooling, and general industrial applications.

StandardASME B18
Material304 Stainless Steel
FinishBlack Oxide
GradeN/A
Thickness0.489"
Length21"
Width16"

Detailed Engineering Specifications

Specified by design engineers worldwide, this 304 stainless steel stock sheet measures a precise 0.489 inches in thickness, 21 inches in length, and 16 inches in width. Composed of 18% chromium and 8% nickel, its austenitic structure provides excellent tensile strength, formability, and resistance to a broad spectrum of corrosive media, including atmospheric conditions and many organic and inorganic chemicals. This makes it a preferred material for heat exchangers, ductwork, tank fabrication, and components subjected to elevated temperatures and moisture.

🧊 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 cutting and forming equipment is calibrated for the specified material thickness. 2. Accurately mark all dimensions according to fabrication drawings. 3. Proceed with cutting and forming operations, utilizing appropriate tooling to prevent material distortion or work hardening.

Equivalent Standards (Cross-Reference)

Standard SystemDesignation
ISO EquivalentISO 9001:2015 Mfg
DIN EquivalentIndustry Standard
Primary StandardASME B18

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 tooling for cutting or bending, leading to contamination and reduced corrosion resistance.Employ dedicated stainless steel tooling, or ensure thorough cleaning of shared equipment to prevent carbon steel transfer.
Ignoring the potential for galling during machining or fastening operations.Utilize lubricants specifically designed for stainless steel and apply moderate, consistent pressure to minimize friction and prevent surface damage.

Common Applications

  • Heat Exchanger Components
  • Industrial Ductwork Fabrication
  • Custom Enclosures for HVAC Systems

⚠️ Engineering Warnings

  • Avoid abrasive cleaning compounds that can scratch the surface and compromise corrosion resistance.
  • Ensure proper ventilation and personal protective equipment when performing cutting or welding operations.

Alternative Products to Consider

Premium Heating & Cooling equivalentHigher corrosion resistance (316 SS)
Economy Heating & Cooling 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: Heat Exchanger Components, Industrial Ductwork Fabrication, Custom Enclosures for HVAC Systems.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 21"W: 16"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.