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0.400" 304 Stainless Steel Sheet - Heating & Cooling Grade

Expert Overview

This robust 0.400" thick 304 stainless steel sheet is engineered for superior performance in critical heating and cooling systems. Its excellent corrosion resistance and thermal stability ensure longevity and reliability in demanding environments.

StandardASME B18
Material304 Stainless Steel
FinishPlain
GradeN/A
Thickness0.400"
Length33"
Width25"

Detailed Engineering Specifications

Built to exacting engineering tolerances, this 304 stainless steel stock sheet measures a precise 0.400 inches in thickness, 33 inches in length, and 25 inches in width. Composed of a chromium-nickel alloy, it offers exceptional resistance to oxidation and corrosion, making it ideal for environments exposed to elevated temperatures and moisture. The inherent strength and formability of 304 stainless steel facilitate its integration into complex HVAC ductwork, heat exchangers, furnace components, and industrial process piping where reliable thermal management is paramount.

🧊 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
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🛡️ 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. Carefully position the 0.400" 304 stainless steel sheet according to design specifications. 3. Secure the sheet using appropriate fastening methods, such as welding or mechanical fasteners, ensuring a watertight and airtight seal where required.

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 lower-grade steel that will corrode in humid or high-temperature environments.Always specify and utilize 304 stainless steel for its proven corrosion and heat resistance in HVAC and industrial applications.
Inadequate sealing of joints, leading to air or fluid leaks.Employ proper welding techniques or suitable gasket materials to guarantee a hermetic seal for optimal system efficiency.

Common Applications

  • HVAC Ductwork Fabrication
  • Heat Exchanger Construction
  • Furnace and Boiler Components

⚠️ Engineering Warnings

  • Handle with care to avoid sharp edges.
  • Always wear appropriate personal protective equipment (PPE) during handling and installation.

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: HVAC Ductwork Fabrication, Heat Exchanger Construction, Furnace and Boiler Components.

Technical Schematic

ISOMETRIC CAD ENVELOPEStandard Bounding Box representationH: HL: 33"W: 25"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.