Duplex Stainless Steel Sheet S31803

Categories	Stainless Steel Sheet
Brand Name:	KORER
Model Number:	Stainless Steel Sheet / Plate
Certification:	ISO 9001 And Manufacture License Of Pressure Tube
Place of Origin:	China
MOQ:	1 Metric Tons Per Size
Price:	Negotiable
Payment Terms:	T/T L/C
Supply Ability:	10000 Metric Tons Per Year
Delivery Time:	15Days – 45Days Or Depends on the quantity
Packaging Details:	Wooden Boxes With Angle Steel Frame Or Seaworthy Bundle
Product Name:	Stainless Steel Sheet / Plate
Material Grade:	304 / 316L / 317L
Brand:	TISCO POSCO BAOSTEEL
Delivery Condition:	2B
Standard:	ASME SA240

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Wuxi Korer Stainless Steel Co.,Ltd.

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Duplex Stainless Steel Sheet S31803

Duplex Stainless Steel Sheet S31803

Introduction:
The S31803 duplex stainless steel sheet is a high-performance industrial material designed for applications requiring superior corrosion resistance and high strength. With a duplex microstructure combining ferritic and austenitic phases, S31803 offers excellent resistance to chloride-induced stress corrosion, pitting, and crevice corrosion, while maintaining high tensile strength and durability. This makes it ideal for chemical processing, petrochemical plants, offshore structures, desalination, and industrial fabrication. Its pickled and passivated surface ensures a smooth and corrosion-resistant finish, suitable for both structural and process applications.

Material Table:

Material Grade	Description	Key Properties
S31803 Duplex Stainless Steel	Ferritic-Austenitic duplex stainless steel	High strength, excellent resistance to pitting and crevice corrosion, suitable for chemical, petrochemical, and offshore applications

Specifications Table:

Parameter	Value / Range
Standard	ASTM A240 / EN 10088
Sheet Type	Flat Sheet
Thickness	1mm – 20mm
Width	1000mm – 2000mm
Length	2000mm – 6000mm
Surface Finish	Pickled & Passivated / 2B / Polished
Material	S31803 Duplex Stainless Steel

Manufacturing Process Table:

Step	Description
Raw Material Selection	High-quality S31803 duplex stainless steel slabs
Hot Rolling	Rolled to desired thickness
Cold Rolling	Refined for precise dimensions and surface finish
Heat Treatment	Solution annealing to enhance corrosion resistance and mechanical properties
Surface Treatment	Pickling and passivation for smooth, corrosion-resistant surface
Inspection & Testing	Thickness, dimensional, and surface quality inspections
Packaging	Protective packaging to prevent scratches and deformation during transport

Uses / Applications Table:

Industry / Application	Description
Chemical & Petrochemical	Storage tanks, piping, and process equipment
Offshore & Marine	Corrosion-resistant structural panels and pipelines
Desalination Plants	Seawater and brine transport
Industrial Fabrication	Structural sheets, enclosures, and cladding
Heat Exchangers	High-pressure and corrosive fluid tubing

Advantages:

Superior Corrosion Resistance: Excellent performance in chlorides, acids, and industrial environments.
High Strength: Duplex microstructure provides higher tensile strength than standard austenitic stainless steel.
Durable & Long-Lasting: Minimizes maintenance and extends operational life.
Smooth Surface Finish: Reduces fouling and scaling while ensuring structural and process integrity.
Versatile Applications: Suitable for chemical, petrochemical, offshore, desalination, and industrial fabrication projects.

FAQ:

Q: Can S31803 duplex stainless steel sheets be used in seawater applications?
A: Yes, the duplex structure provides superior chloride and seawater corrosion resistance.
Q: Are custom thicknesses and sizes available?
A: Yes, thickness, width, and length can be customized according to project requirements.
Q: Is this suitable for chemical processing plants?
A: Absolutely, S31803 is widely used for chemical tanks, piping, and process equipment.
Q: How is quality ensured?
A: Sheets undergo dimensional, surface, and mechanical inspections according to ASTM and EN standards.

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Duplex Stainless Steel Sheet S31803

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