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304 Stainless Steel Sheet 0.935" x 18" x 21" | Heating & Cooling

Expert Overview

This premium 304 stainless steel stock sheet offers exceptional durability and corrosion resistance. Engineered for high-temperature environments, it's a reliable choice for critical heating and cooling system components.

StandardDIN 933
Material304 Stainless Steel
FinishAnodized
GradeN/A
Thickness0.935"
Length18"
Width21"

Detailed Engineering Specifications

Manufactured under strict quality controls, this 304 stainless steel stock sheet measures 0.935 inches in thickness, 18 inches in length, and 21 inches in width. Composed of 18% chromium and 8% nickel, it provides superior resistance to oxidation and corrosion, even at elevated temperatures. This grade is non-magnetic in its annealed state and exhibits excellent formability and weldability, making it suitable for fabrication into custom heat exchangers, flue liners, ductwork, and other components within demanding HVAC and industrial heating systems.

🧊 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 sheet is clean and free from contaminants before fabrication. 2. Accurately measure and cut the sheet to the required dimensions using appropriate metalworking tools. 3. Fabricate and assemble components according to design specifications, utilizing compatible welding or joining techniques for 304 stainless steel.

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 incorrect cutting tools, leading to edge deformation or burrs.Employ sharp, high-quality cutting blades specifically designed for stainless steel to maintain precise edges.
Contamination of the stainless steel surface during handling or fabrication.Handle with clean gloves and ensure all tools and work surfaces are free of carbon steel or other contaminants that could cause galvanic corrosion.

Common Applications

  • Heat Exchanger Components
  • Industrial Furnace Linings
  • High-Temperature Ductwork

⚠️ Engineering Warnings

  • Always wear appropriate personal protective equipment (PPE) during cutting and fabrication.
  • Ensure proper ventilation when working with stainless steel at elevated temperatures.

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 Furnace Linings, High-Temperature Ductwork.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 18"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.