Duplex Stainless Steel Plates & Sheets

Table of Content

What are Duplex Stainless Steel Plates or Sheets?
Duplex Steel Plates & Sheets Manufacturing Process
Types of Duplex Stainless Steel Plates Sheets
Advantages of Duplex Steel Plates & Sheets
FAQs

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Lakshya Steel is a leading supplier of duplex steel plates and duplex steel sheets, offering an extensive range of products in grades duplex 2205 and duplex s31803. We provide high-quality duplex stainless steel plates and duplex stainless steel sheets in various finishes, custom-cut to your specifications, with widths from narrow to wide. Our inventory includes thicknesses from 6mm to 100mm and widths up to 2500 mm, catering to a broad spectrum of industrial applications.

We ensure the precise and high-quality delivery of duplex stainless plates. We offer custom lengths and widths up to 2000mm and can accommodate special orders for rare grades or non-standard sizes. Our well-equipped warehousing facilities allow for swift delivery and immediate dispatch to meet urgent needs.

Lakshya Steel excels in supplying duplex stainless steel plates and duplex stainless steel sheets designed to withstand high pressures and comply with rigorous industry standards. Our production methods align with global standards, and each product undergoes meticulous inspection to ensure superior quality. With our cutting-edge equipment and expertise, we are your reliable partner for duplex steel plates and duplex steel sheets in diverse industrial applications.

What are Duplex Stainless Steel Plates or Sheets?

Duplex stainless steel plates and duplex steel sheets are made with high chromium (18%-28%) and moderate nickel (1.5%-8%) content. Duplex steel plates offer excellent corrosion resistance, especially against acetic, phosphoric, and nitric acids, as well as other harsh environments.

These duplex stainless steel sheets perform well in both local and general corrosive conditions, maintaining their shape and strength at high temperatures. They are easy to machine, fabricate, and weld using standard methods like TIG, MIG, and resistance welding. Available in both magnetic and non-magnetic forms, duplex stainless plates are made through hot and cold working processes and treated to enhance their mechanical properties.

The dual-phase nature of duplex stainless steel plates makes them strong, corrosion-resistant, and tough, making them ideal for industries like chemical processing and oil and gas exploration.

Duplex Steel Plates & Sheets Manufacturing Process

Reheating Furnace: The first step involves heating the steel stock in reheating furnaces to achieve the right temperature for rolling.

Scale Breaker: Next, the steel slab passes through a scale breaker, where vertical rolls loosen the furnace scale. High-pressure water jets then remove the scale.

Finish Rolling: The slab undergoes finish rolling, which shapes it into the desired plate form.

Cooling: The plate is rapidly cooled, a process known as quenching, to harden it and improve its properties.

Skin Pass Mill: This stage imparts a high-gloss finish and fine-tunes the mechanical properties, such as strength and flexibility.

Marking & Packing: Finally, the plates are marked and packed carefully. This not only enhances the appearance but also protects the plates from damage and ensures proper handling.

Types of Duplex Stainless Steel Plates Sheets

Duplex Stainless Steel UNS S31803 Plates & Sheets

Duplex Stainless Steel 2205 Plates

Duplex Stainless Steel Plates Specification

Item	Duplex Stainless Steel Plate (Hot rolled,cold rolled)
Standard	ASTM A240,JIS4304-2005,ASTM A167,EN10088-2-2005,GB/T3280-2007, etc
Material	304 ,316, 321, 317L, 310 , 347 , 904L.,Duplex 2205, Super Duplex 2507
Surface	the surface and finish of stainless steel plate:2B,2D,BA,NO.1,NO.4,NO.8,8K,mirror,checkered,embossed,hair line,sandblast,Brush,etching,etc
Thickness	0.01~200mm
Width	1000mm,1219mm,1500mm,1800mm,2000mm,2500mm,3000mm,3500mm,etc
Length	2000mm,2440mm,3000mm,5800mm,6000mm,etc
Package	Standard export package,suit for all kinds of transport,or asrequired.
Export to	USA, India, UAE, Saudi Arabia, Singapore, Iraq, Turkey, Indonesia

Duplex Stainless Steel Sheets Mechanical Properties

Tensile Strength (MPa)	Proof Stress 0.2% (MPa)	%Elongation(min.)	Hardness (HRB)max.
620	450	25	293

Advantages of Duplex Steel Plates & Sheets

High Strength: Stronger than many other stainless steels, offering better support and durability.

Corrosion Resistance: Resists rust and corrosion from chlorides, ideal for harsh conditions.

Cost-Effective: Grades like LDX 2101 are strong and affordable because they use less nickel.

Versatile: Used in many industries, including chemicals, oil and gas, marine, and power generation, for its strong performance.

FAQs

What grade is duplex steel plate material?

Duplex steel plate material is commonly available in grades such as Duplex 2205 and Super Duplex 2507.

Is duplex better than stainless steel?

Yes, duplex stainless steel often offers better strength and corrosion resistance than regular stainless steel, making it suitable for more demanding applications.

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