Chemical Properties

304 stainless steel plate is an austenitic stainless steel primarily composed of 18% chromium (Cr) and 8% nickel (Ni), offering excellent corrosion resistance, formability, and weldability. Its typical chemical composition includes:

Element Composition (%)

Chromium (Cr) 18.0 – 20.0

Nickel (Ni) 8.0 – 10.5

Carbon (C) ≤ 0.08

Manganese (Mn) ≤ 2.0

Silicon (Si) ≤ 1.0

Phosphorus (P) ≤ 0.045

Sulfur (S) ≤ 0.03

Iron (Fe) Balance

Applications

Due to its durability and resistance to oxidation, 304 stainless steel plate is widely used in:

 Food & Beverage Industry (processing tanks, conveyor belts)

 Chemical & Pharmaceutical Equipment (storage tanks, reactors)

 Architecture & Construction (elevator panels, cladding)

 Medical & Laboratory Equipment (sterilization trays, surgical tools)

 Automotive & Aerospace (structural components, exhaust systems)

 Household & Kitchenware (countertops, sinks)

 Specifications

304 stainless steel plates are available in various sizes, thicknesses, and surface finishes:

 Thickness Range: 0.1mm to 100mm (common industrial thickness: 0.5mm – 50mm)

 Width: 1000mm, 1219mm, 1500mm (standard), or custom sizes

 Length: 2000mm, 2438mm, 3000mm, or custom lengths

 Surface Finishes:

 2B: Smooth, slightly reflective (most common)

 BA (Bright Annealed): Highly reflective, mirror-like

 No. 4 (Brushed): Matte finish with visible grain lines

 No. 8 (Mirror): Polished to a high gloss

 Common Standards:

ASTM A240 (Standard specification for chromium and chromium-nickel stainless steel plate)

 EN 1.4301 (European equivalent of 304)

 JIS SUS304 (Japanese standard)

 GB/T 3280 (Chinese standard)

 304 stainless steel plate is widely preferred for its cost-effectiveness, corrosion resistance, and versatility in industrial and commercial applications.