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Lean Duplex Sheet Suppliers, Lean Duplex Stainless Steel Plate Distributors, Lean Duplex Hot Rolled Plates, Lean Duplex SS Hot Rolled Plates Stockist, Lean Duplex Coil Exporter in Mumbai, India.

Lean Duplex Polished Plates Stockists, ASTM A240 Lean Duplex Hot Rolled Plate (HR), (LDSS) Lean Duplex Steel Strips Dealers, Lean Duplex SS Cold Rolled Sheet (CR) Suppliers in India.

DETAILED INFORMATION

As part of the Duplex Specification, Lean Duplex Steel is a special alloy of ferratic and austenitic steels in equal quantities. It is a combination that produces an alloy that contains all the features of ferrite and austenitic steel in an alloy of chromium, nickel, and molybdenum that is the perfect combination of both. Stainless steel that is known as Lean Duplex isn't an actual mix of both types of steel, but it does have the characteristics and properties of both steel types, as well. It is possible for Lean Duplex Stainless Steel to exhibiting weaknesses from both ferrite and austenitic steels as well.

For applications that require very high strength, such as building construction sites, lean grade stainless steel is very important. Lean grade material is used for applications that do not require very high strength. LDX2101, DX2304, EDX3304 and LDX2404 are Lean Duplex Stainless Steel Grades that are interchangeable, though with some applications specific to each grade. The lower carbon content of lean duplex stainless steel makes welding much easier than welding other grades. A Lean Duplex Price varies between grades, suppliers, and locations; it also depends on transportation options. Lean Duplex Stainless Steel products are used in long term corrosion resistance applications, including storage tanks and containers.

It is most commonly used in chemical processing plants, where corrosion is not a desirable characteristic. Additionally, Lean Duplex Steel piping products can reduce localized corrosion by acidic substances, preventing uniform corrosion.

Lean Duplex stainless steel raw materials are costly due to their higher amounts of chromium, nickel and molybdenum and the formation process involved. The most common application of Lean Duplex Stainless Steel in onshore industry is onshore. Offshore, Lean Duplex Stainless Steel Products can endure salty winds and marine environments bringing up chloride-rich environments. Lean Duplex Alloy for Oil and Gas Industry is very resistant to thermal expansion due to its low thermal expansion values compared to other metals. A pressure vessel made of LDX Duplex is able to hold a great deal of weight and withstand pressure. With its high tensile values, this material is ideal for applications under pressure. 

304 and 316 are austenitic grades, and lean duplex grades are generally stronger and better than 410 and 416. They also resist stress corrosion cracking in sour service. The stainless steel in this grade is not similar to your existing grades and has a different hardness, so it does not gallon as quickly as it does with your current grades. Additionally, they're stronger and easier to machine than your current grades. 

Offshore platforms tend to use duplex stainless steel for specific applications such as storage tanks, pressure vessels, heat exchangers, bridges, and railings. In addition to supporting pipes, water treatment systems, and fire walls.

By As Duplex steel has so much stronger and more durable characteristics than carbon steel and ordinary stainless steel, the cost will decrease because the thickness of the steel will be reduced, as well as reducing handling, fabrication, and welding costs since the thickness of the steel will be reduced.

Stainless steel with a Duplex composition is a better steel than traditional grades, such as 304 and 316L. One reason is that it has a better balance of chromium, molybdenum, and nitrogen.

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Lean Duplex Stainless Steel Plate & Sheet Specification:

Material: Lean Duplex Plate / Lean Duplex Sheet

Specifications: ASTM A240 / ASME SA240

Lean Duplex Sheet & Plate Size: 1000 x 2000 mm / 1220 x 2440 mm / 1500 x 3000 mm / 2000 x 2000 mm / 2000 x 4000 mm

Finish: Cold Rolled Sheet (CR), Hot Rolled Plate (HR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)

Lean Duplex Plate & Shee Length: 2m, 2.44 m, 3 m, or as required

Hardness: Half Hard, Quarter Hard, Spring Hard, Soft, Hard, etc.

Thickness: 0.1mm to 100 mm Thk

Width: 10 - 2500 mm

Form: Plate, Sheet, Foils, Coils, Rolls, Strip, Flats, Clad Plate, Plain Sheet, Shim Sheet, Rolling Plate, Flat Shim, Flat Sheet, Blank (Circle), Rolling Sheet, Checker Plate annealed, descaled, sheared, tread plate, soft annealed

Chemical composition

Weight % C Si Mn S P Cr Ni Mo N Cu B
Min. 22,00 3,50 0,10 0,05 0,10
Max. 0,030 1,00 2,00 0,015 0,035 24,00 5,50 0,60 0,20 0,60 35 ppm

Mechanical Properties

Yield strength Rp0.2,

MPa

Tensile strength Rm,

MPa

Elongation

[%]

Hardness

[HB]

Impact, Charpy-V, -46ºC

[J]

Pre
PLATE CR (COIL) ≥ 500 ≥ 690 ≥ 25 ≥ 45 ≥ 28
PLATE HR (COIL) ≥ 500 ≥ 690 ≥ 25 ≤ 290 ≥ 45 ≥ 28
PLATE (QUARTO) ≥ 420 ≥ 630 ≥ 25 ≤ 290 ≥ 45 ≥ 28
ANGLE BAR ≥ 450 ≥ 600 ≥ 25 ≤ 290 ≥ 45 ≥ 28

Equivalent Material Grade Of Lean Duplex Stainless Steel UNS S32304

Alloy

1.4362 AISI product Material No.

UNS

EN Designation

2304

EN 1.4362

S32304

DIN X2CrNiN23-4

Physical Properties Lean Duplex

Thermal conductivity

W/m K

Density

g/cm³

Specific heat capacity

J/kg K

Electrical resistivity

Ω mm²/m

15 7.8 500 0.8

Lean Duplex Steel Plate & Sheet Metric Dimensions and Sizes

Surface finish

Thickness (mm)

Widtd (mm)

Lean Duplex 1D – heat treated, pickled Plate & Sheet, Hot rolled,

2.4–12.7

max. 2032

2R – bright-annealed Sheet & Plate Lean Duplex Cold-rolled

0.05–1.50

3–649

2H – Lean Duplex Steel Work hardened Plate & Sheet

0.05–1.50

3–630

2B – Lean Duplex Cold rolled, pickled, skin passed, heat treated Sheet & Plate

0.25–8.0

max. 2032

2D – Lean Duplex heat treated, pickled Plate & Sheet, Cold rolled

0.4–6.35

max. 1524

2E – mechanically descaled Sheet & Plate, Lean Duplex Cold rolled, heat treated

0.4–8.0

max. 2032

2R – bright annealed Plate & Sheet, Lean Duplex Cold rolled

0.25–3.5

max. 1524

2H – Lean Duplex Stainless Steel Work hardened Sheet & Plate

0.4–6.35

max. 1524

Lean Duplex Alloy Polished, brushed Plate & Sheet

0.5–4.0

max. 1524

Deco

0.3–3.5

max. 1524

Lean Duplex Steel Coil

0.30–3.5

max. 1,524

 

Surface finish

Thickness (in)

Widtd (in)

1 – Lean Duplex Hot rolled, heat treated, pickled Plate & Sheet

.1000 – .3750

max. 72

2R – bright-annealed Sheet & Plate, Lean Duplex Cold-rolled

0.002–0.06

0.118–25.551

2H – Lean Duplex Steel Work hardened Plate & Sheet

0.002–0.06

0.118–24.803

2B – Lean Duplex pickled, Cold rolled, skin passed Sheet & Plate, heat treated

10–24

max. 72*

2D – Lean Duplex Cold rolled, heat treated, pickled Plate & Sheet

12–24

max. 60

BA Mexinox only

18–28

max. 48

Deco Rolled-On Mexinox only

14–28

max. 48

Lean Duplex Polished Plate & Sheet (not brushed)

11–24

max. 60

Temper rolled Mexinox only

13–29

max. 48

Lean Duplex price per kg

Grade

Price Per Kg in US $

Price per kg

$ 3-4

Lean Duplex Stainless Steel Uses

  • Maritime pipelines and pipelines that are exposed to aggressive chemicals
  • All types of profiles required for use in the above-mentioned scenarios
  • In all kinds of industries, pressure vessels are used
  • Facilities for cleaning flue gases
  • In petrochemical plants, heat exchangers are used
  • Stations for the desalination of water
  • A vehicle's construction components
  • Vessels, storage tanks, and containers for different purposes
  • A wide range of food and beverage tanks and containers can be found here
  • The oil and gas industry relies on pipelines
  • Architects and engineers design structural elements for bridges and buildings

Good weldability

Most austenitic stainless steels can be welded using most of the welding methods used for duplex stainless steels:

  • Welding with shielded metal arcs (SMAW)
  • A gas tungsten arc welding process called GTAW (gas tungsten arc welding)
  • MIG welding (GMAW) is a gas metal arc welding process
  • Welding with flux-cored arcs (FCW)
  • Welding with plasma arcs (PAW)
  • Welding with submerged arcs (SAW)
  • Welding by laser
  • Welding with resistance
  • Welding at high frequencies

Superior corrosion resistance

There are several grades of duplex stainless steel, which offer superior corrosion resistance than standard austenitics and can withstand acidic and alkaline environments.

For every austenitic stainless steel grade offered by Mehtametals.com, there is a duplex counterpart that provides both corrosion resistance and strength twice as much.

Advantages of duplex materials

An extremely strong material

A high degree of corrosion resistance

The price level can be predicted more easily

Strong endurance when fatigued

The majority of applications experience a weight reduction of more than 30%

As there is no need to paint regularly, there is a low life cycle cost

Over 85% of the material is recycled, and is 100% recyclable

Benefits of letting Lean Duplex replace 304 and 316L:

In comparison with comparable austenitic grades (304 and 316L), this grade exhibits superior corrosion resistance.

You need to double your strength, take advantage of physical properties, and use them to your advantage

Compared to austenitic 304 and 316L, this alloy offers a better cost-performance ratio

Reduced sensitivity to raw material price increases

Lean Duplex Sheet & Plate

Lean Duplex Plain Sheet

Lean Duplex Steel Blank (Circle)

Lean Duplex Steel Foils

Lean Duplex Steel Coils

Lean Duplex Perforated Sheet

LDX Duplex Alloy Strip

LDX Lean Duplex Sheets

Lean Duplex Steel Plates

Lean Duplex Stainless Steel Coils

Steel Lean Duplex Shim Sheet

LDX Lean Duplex Plate

2101 LDX Lean Duplex Sheet

Steel Lean Duplex LDX Sheet

Lean Duplex Polished Plates

2404 Leand Duplex Polished Sheets

LDX 2304 Duplex Slatting Coil

Lean Duplex Alloy Sheet

Lean Duplex Stainless Steel Strip

Lean Duplex Hot Rolled Plate (HR)

Lean Duplex Cold Rolled Sheet (CR)

Steel Lean Duplex Coils

Available Forms Available In 1.4362 ALLOY 2304

Sheets /Plates

Bars

Tubes/ Pipes

Fittings

Alloy 2304

EN 10088 -3 1.4362

Alloy 2304

EN 10222-5 1.4362

Alloy 2304 UNS S32304

EN 10088 -3 X2CrNiN23-4

Alloy 2304 UNS S32304

EN 10222-5 X2CrNiN23-4

EN 10028-7 1.4362

EN 10088-5 1.4362

EN 10217-7 1.4362

EN 10253-4 1.4362

EN 10088-4 X2CrNiN23-4

EN 10263-5 X2CrNiN23-4

EN 10216-5 X2CrNiN23-4

EN 10253-3 X2CrNiN23-4

EN 10088-4 1.4362

EN 10263-5 1.4362

EN 10216-5 1.4362

EN 10253-3 1.4362

EN 10028-7 X2CrNiN23-4

EN 10088-5 X2CrNiN23-4

EN 10217-7 X2CrNiN23-4

EN 10253-4 X2CrNiN23-4

EN 10088-2 1.4362

EN 10272 1.4362

EN 10297-2 1.4362

EN 10269 1.4362

EN 10088-2 X2CrNiN23-4

EN 10272 X2CrNiN23-4

EN 10297-2 X2CrNiN23-4

EN 10269 X2CrNiN23-4

EN 10151 1.4362

EN 10296-2 1.4362

EN 10250-4 1.4362

EN 10151 X2CrNiN23-4

EN 10296-2 X2CrNiN23-4

EN 10250-4 X2CrNiN23-4

SA 789 uns s32304

2204 Duplex stainless steel (DSS)

Lean duplex stainless steel DSS 2204 (New)

pitting resistance

1 mass %Cr + 3.3 mass %Mo + 16 mass %N

Composition

22Cr-1.5Mn-4Ni-0.2N-1.2Mo

DSS 2304 alloying elements

Cr, Mo and N

(Cr and Mo are enriched in ferrite phase and N is concentrated in austenite)

 

Super Duplex Vs Lean Duplex

Lean Duplex

ASTM

EN-Nr.

C max.

Cr

Ni

Mo

N

Mn

Cu

W

PRE*

S32101

1.4162

0,04

21,0-22,0

1,35-1,7

0,1 – 0,8

0,20-0,25

4,0-6,0

0,1-0,8

26

S32202

1.4062

0,03

21,5-24,0

1,0-2,8

0,45

0,18-0,26

2,0

26

S32304

1.4362

0,03

21,5-24,5

3,0-5,5

0,05-0,6

0,05-0,20

2,5

0,05-0,60

26

 

Standard

ASTM

EN-Nr.

C max.

Cr

Ni

Mo

N

Mn

Cu

W

PRE*

S31803

1.4462

0,03

21,0-23,0

4,5-6,5

2,5-3,5

0,08-0,20

2,0

33

S32205

1.4462

0,03

22,0-23,0

4,5-6,5

3,0-3,5

0,14-0,20

2,0

35

 

25% Cr

ASTM

EN-Nr.

C max.

Cr

Ni

Mo

N

Mn

Cu

W

PRE*

S32520

1.4507

0,03

24,0-26,0

5,5-8,0

3,0-4,0

0,20-0,35

1,5

0,5-2,0

>40

S32550

1.4507

0,04

24,0-27,0

4,5-6,5

2,9-3,9

0,10-0,25

1,5

1,5-2,5

>40

 

Austenitic Grades

ASTM

EN-Nr.

C max.

Cr

Ni

Mo

N

Mn

Cu

W

PRE*

304L

1.4307

0,03

17,5-19,5

8,0-10,5

0,11

18

316L

1.4404

0,03

16,5-18,5

10,0-13,0

2,0-2,5

0,10

24

904L

1.4539

0,02

19,0-21,0

24,0-26,0

4,0-5,0

0,15

1,20

34

S31254

1.4547

0,2

19,5-20,5

17,5-18,5

6,0-7,0

0,18-0,25

0,5-1,0

43

 

Applications

There are mainly applications for 1.4362 / Lean Duplex UNS S32304 / EDX 2304 in complex details with high corrosion resistance requirements.

S32304 is characterized by:

Corrosion cracking is not a problem due to good stress corrosion resistance.

Despite its corrosion resistance, this alloy is not prone to pitting or crevice corrosion.

The ability to resist corrosion in general is high.

A high degree of mechanical strength is required.

A high resistance to erosion corrosion and corrosion fatigue is provided by this product.

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