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We supply premium grade ASTM A240 304 cold rolled stainless steel sheet, fully manufactured and inspected in compliance with ASTM A240 standard, the international standard for chromium and chromium-nickel stainless steel plate, sheet, and strip for pressure vessels and general application.
This 304 SS sheet is available in mainstream thickness of 4mm and 6mm, processed by professional cold rolling production line. It features ultra-flat surface, uniform thickness tolerance, stable chemical composition, excellent mechanical properties and perfect surface finish. It is the most versatile and cost-effective austenitic stainless steel material widely recognized in global industrial and construction markets.
Different from hot rolled plate, our 304 stainless steel sheet adopts cold rolling process after pickling and precise rolling control:
Higher dimensional accuracy, tighter thickness tolerance, no thickness deviation
Super smooth and delicate surface, no oxide scale, no rust spots, clean and bright appearance
Improved material density and internal grain structure, higher hardness and better flatness
Good straightness, not easy to deform during cutting, bending and stamping
Easy for secondary processing such as polishing, drawing, laser cutting, welding and forming
Mechanical & Physical Performance
Tensile Strength: ≥ 515 MPa
Yield Strength: ≥ 205 MPa
Elongation: ≥ 40%
Hardness: Low hardness, good toughness and ductility
Temperature Resistance: Excellent oxidation resistance at normal and medium high temperature
Corrosion Resistance: Resists atmospheric corrosion, water corrosion, urban industrial environment corrosion, weak acid and weak alkali corrosion. Perfect anti-rust performance for indoor and outdoor long-term use
Surface Quality & Tolerance Control
Strict surface inspection, no scratch, no pitting, no crack, no fold
Uniform color and luster, consistent surface texture of the whole coil and sheet
Thickness, width and length tolerance fully meet ASTM A240 standard
Flatness strictly controlled, suitable for high requirement decoration and structural use
Key Features & Benefits
Standard Compliance Fully conforms to ASTM A240 standard, can pass third-party inspection such as SGS, BV, factory test certificate provided
Super Corrosion & Rust Resistance 18% chromium and 8% nickel alloy formula provides outstanding anti-corrosion performance, not easy to rust in humid, rainy, coastal and industrial polluted areas
Excellent Processability Good weldability, bendability, stamping performance, easy to process into various shapes and parts
Durable & Low Maintenance High oxidation resistance, aging resistance, long service life, no need regular painting or anti-rust maintenance
Complete Specifications & Flexible Service 4mm, 6mm regular thickness in large stock; support custom cutting, slitting, grinding, brushing, mirror polishing as customer requirements
Wide Application Range
Building & Construction: Exterior wall cladding, roof panel, decoration panel, structural steel plate, bridge auxiliary parts
