Dnya Stainless Steel Private Limited

Dnya Stainless Steel Private Limited is a leading supplier of high-quality stainless steel, nickel alloys, and titanium plates. The company specializes in providing a wide range of materials to meet the needs of various industries, offering superior products known for their strength, durability, and corrosion resistance. Dnya Stainless Steel is committed to delivering premium metal solutions to ensure high performance in diverse applications. Visit our site https://dnyastainless.com/

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Duplex Stainless Steel Sheet & Plate – A Complete Guide by Dnya Stainless Steel

Duplex stainless steel has become one of the most preferred materials in modern industrial applications due to its exceptional strength, corrosion resistance, and cost efficiency. At Dnya Stainless Steel, we offer a wide range of high-quality duplex stainless steel sheet and plate grades designed to meet diverse industry requirements.

In this blog, we’ll explore the key features, benefits, and applications of popular duplex grades including 2205, 2507, 2304, and LDX 2101.

What is Duplex Stainless Steel?

Duplex stainless steel is a combination of austenitic and ferritic microstructures, offering the best of both worlds. This dual-phase structure provides:

High mechanical strength

Excellent corrosion resistance

Improved resistance to stress corrosion cracking

Better durability compared to standard stainless steels

Because of these advantages, duplex stainless steel sheet and plate are widely used in industries such as oil & gas, chemical processing, marine, and construction.

2205 Duplex Stainless Steel Sheet & Plate

2205 duplex stainless steel is the most widely used duplex grade. It offers a balanced combination of strength and corrosion resistance, making it suitable for demanding environments.

Key Features:

High resistance to pitting and crevice corrosion

Excellent strength (almost double of austenitic grades like 304/316)

Good weldability

Superior resistance to chloride stress corrosion cracking

Applications:

Chemical processing equipment

Oil and gas pipelines

Marine environments

Heat exchangers

At Dnya Stainless Steel, our 2205 sheets and plates are manufactured with precision to ensure long-lasting performance in harsh conditions.

2507 Duplex Stainless Steel Sheet & Plate (Super Duplex)

2507 is a super duplex stainless steel, designed for extreme environments where higher corrosion resistance and strength are required.

Key Features:

Exceptional resistance to pitting and corrosion

High tensile strength

Excellent performance in highly corrosive environments

Superior resistance to seawater corrosion

Applications:

Offshore oil and gas platforms

Desalination plants

Chemical tankers

Power generation industries

Dnya Stainless Steel supplies premium-quality 2507 duplex plates that meet international standards and ensure reliability in critical applications.

2304 Duplex Stainless Steel Sheet & Plate

2304 duplex stainless steel is a lean duplex grade that offers a cost-effective alternative to standard austenitic stainless steels.

Key Features:

Good corrosion resistance

Lower nickel content (cost-effective)

High strength compared to 304 stainless steel

Good weldability

Applications:

Storage tanks

Structural applications

Food processing equipment

Pulp and paper industry

Our 2304 duplex sheets are ideal for projects requiring both performance and affordability.

LDX 2101 Duplex Stainless Steel Plate

LDX 2101 is another lean duplex stainless steel grade known for its excellent strength and cost efficiency.

Key Features:

High strength and durability

Good resistance to general corrosion

Lower alloy content reduces cost

Excellent resistance to stress corrosion cracking

Applications:

Bridges and structural components

Water treatment plants

Storage tanks

Transportation and industrial equipment

Dnya Stainless Steel provides LDX 2101 plates that are engineered for performance while keeping costs under control.

Advantages of Duplex Stainless Steel Sheets & Plates

Choosing duplex stainless steel offers several benefits:

1. Higher Strength

Duplex steels provide nearly twice the strength of conventional stainless steels, allowing for thinner material usage and reduced weight.

2. Superior Corrosion Resistance

They perform exceptionally well in chloride-rich and harsh environments, making them ideal for marine and chemical industries.

3. Cost Efficiency

With lower nickel content in lean grades like 2304 and LDX 2101, duplex stainless steel offers a more economical solution.

4. Longer Service Life

Enhanced durability reduces maintenance costs and extends the life of equipment and structures.

Why Choose Dnya Stainless Steel?

At Dnya Stainless Steel, we are committed to delivering top-quality stainless steel products that meet global standards. Our duplex stainless steel sheet and plate range is known for:

Premium material quality

Precise dimensions and finishes

Competitive pricing

Reliable supply and fast delivery

Customer-focused service

Whether you need standard sizes or customized solutions, we are your trusted partner for duplex stainless steel products.

Conclusion

Duplex stainless steel sheet and plate are the perfect choice for industries that demand strength, corrosion resistance, and long-term performance. Grades like 2205, 2507, 2304, and LDX 2101 cater to a wide range of applications, from heavy industrial use to cost-effective structural solutions.

With Dnya Stainless Steel, you get superior quality materials that ensure efficiency, durability, and value for your investment.

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UNS N08904 Material | 904L Stainless Steel Properties - Dnya Stainless Steel

UNS N08904 Material 904L stainless steel properties, composition, corrosion resistance, applications, and comparison with 316L. Get a Quote

Explore UNS N08904 (904L) Stainless Steel — a premium high-alloy austenitic stainless steel offering exceptional corrosion resistance and durability for chemical processing, marine environments, oil & gas, power plants, and other challenging applications. https://dnyastainless.com/uns-n08904/ (dnyastainless.com)

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317LMN Stainless Steel Sheet & Plate | UNS S31603 | 1.4404

317lmn Stainless Steel Sheet & Plate (UNS S31726) contains 18-20% chromium, 13-15% nickel, 4-5% molybdenum, and 0.10-0.16% nitrogen. Contact

Explore 317LMN Stainless Steel Sheet & Plate (UNS S31726 / 1.4439) — a super-austenitic grade with superior corrosion resistance and strength, engineered for chemical processing, marine, oil & gas, pharmaceutical, and other demanding industrial applications. https://dnyastainless.com/stainless-steel-sheet-plate-317lmn/

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TP304 Stainless Steel Sheet & Plate | UNS S30400 | 1.4301

TP304 Stainless Steel Sheet & Plate (UNS S30400, 1.4301) offers excellent corrosion resistance, strength & weldability. View full technical

304 Stainless Steel Sheet & Plate from DNYA Stainless Steel is a premium austenitic stainless steel (UNS S30400 / EN 1.4301) known for its excellent corrosion resistance, formability, weldability, and overall durability — making it one of the most widely used stainless steel grades worldwide.

Made primarily from iron with approximately 18–20% chromium and 8–10.5% nickel, this grade delivers reliable performance in atmospheric, industrial, and mildly corrosive environments. It combines high ductility and strength with good surface finish and hygienic properties, making it suitable for a broad range of applications.

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309S Stainless Steel Sheet & Plate | UNS S30908 | 1.4833

TP 309S Stainless Steel Sheet & Plate delivers excellent oxidation resistance, lower carbon content, and great weldability. Call today

309S Stainless Steel Sheet & Plate (UNS S30908 / EN 1.4833) from DNYA Stainless Steel is a high-performance austenitic stainless steel alloy engineered for excellent high-temperature strength, oxidation resistance, and weldability. With a low carbon content, 309S minimizes carbide precipitation during welding, enhancing its fabrication reliability while still delivering strong mechanical integrity.

This alloy combines high chromium (22–24 %) and nickel (12–15 %) content to provide superior resistance to oxidation and thermal fatigue in extreme environments. It is ideal for furnace components, heat exchangers, exhaust systems, and chemical processing equipment where materials must perform reliably under elevated temperatures and thermal cycling.

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17-4 PH Stainless Steel Sheet Plate | AMS 5604 | UNS 17400

17-4 PH stainless steel sheet plate SAE Type 630 commonly known as AMS 5604 UNS 17400 has a chemical composition of 0.08 to 0.03. Contact us

17-4PH Stainless Steel Sheet & Plate (UNS S17400 / AMS 5604) from Dnyas Stainless Steel is a premium precipitation-hardening martensitic stainless steel that combines high mechanical strength, hardness, and good corrosion resistance. The “PH” designation stands for precipitation hardening, a heat-treatment process that significantly increases strength and hardness, making this grade ideal for demanding engineering applications where both structural performance and corrosion resistance are critical.

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Best Steel Plate Supplier, Distributor & Manufacturer - Dnya Stainless Steel

Dnya Stainless Steel is the leading supplier, distributor, and manufacturer of high-quality stainless steel, nickel alloy, and titanium plat

Dnyas Stainless Steel Private Limited is a leading manufacturer, supplier, distributor, and exporter of premium stainless steel, duplex steel, nickel alloy steel, and titanium plates serving industrial clients around the world. With a strong focus on quality, performance, and customer satisfaction, the company provides a wide range of corrosion-resistant and high-strength metal solutions tailored to the needs of diverse sectors including chemical processing, marine, oil & gas, power, and manufacturing. Backed by rigorous quality control, innovative materials, and expert technical support, Dnyas Stainless delivers durable, reliable, and customized steel products that help projects perform better and last longer.

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TP304 Stainless Steel Sheet & Plate | UNS S30400 | 1.4301

TP304 Stainless Steel Sheet & Plate (UNS S30400, 1.4301) offers excellent corrosion resistance, strength & weldability. View full technical

304 Stainless Steel Sheet & Plate from Dnyas Stainless Steel is a premium-grade austenitic stainless steel (UNS S30400 / EN 1.4301) renowned for its excellent corrosion resistance, durability, and formability. As one of the most widely used stainless steel grades globally, 304 offers a balanced combination of mechanical strength and weldability, making it suitable for a vast range of industrial and commercial applications.

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https://dnyastainless.com/inconel-330-sheet-plate/

Inconel 330 Sheet & Plate – Dnyas Stainless Steel is a high-performance Nickel-Iron-Chromium alloy (UNS N08330 / W.Nr. 1.4886) engineered for severe high-temperature and corrosive environments. This premium sheet and plate product offers exceptional resistance to oxidation, carburization, nitridation, and thermal fatigue, maintaining strength, stability, and mechanical integrity even under cyclic thermal loading.

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Best Steel Plate Supplier, Distributor & Manufacturer - Dnya Stainless Steel

Dnya Stainless Steel is the leading supplier, distributor, and manufacturer of high-quality stainless steel, nickel alloy, and titanium plat

Dnyas Stainless Steel Private Limited is a leading global manufacturer, supplier, and distributor of high-quality metal products, specializing in stainless steel plates, duplex steel, nickel alloy plates, and titanium plates. With a strong commitment to quality, innovation, and customer satisfaction, Dnyas Stainless delivers durable, corrosion-resistant materials tailored to diverse industrial needs — from aerospace and chemical processing to construction and food processing. Backed by rigorous quality control, competitive pricing, expert support, and efficient delivery, the company provides customized steel solutions that enhance performance and reliability across industries worldwide.

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17-4 PH Stainless Steel Sheet Plate | AMS 5604 | UNS 17400

17-4 PH stainless steel sheet plate SAE Type 630 commonly known as AMS 5604 UNS 17400 has a chemical composition of 0.08 to 0.03. Contact us

Inconel Sheets / Inconel Plates – Inconel 330 Sheet & Plate (UNS N08330, W.Nr. 1.4886) is a high-performance nickel-iron-chromium alloy engineered for exceptional resistance to high temperatures and corrosive environments. The alloy maintains mechanical strength, oxidation resistance, and thermal stability even under severe cyclic heating and high-temperature service, making it ideal for critical industrial applications such as heat-treating equipment, furnaces, petrochemical and power generation processes.

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17-4PH Stainless Steel Sheet & Plate (AMS 5604 / UNS 17400) is a premium precipitation-hardening martensitic stainless steel that delivers an excellent balance of high strength, hardness, and corrosion resistance. The “PH” stands for Precipitation Hardening, a heat-treatment process that significantly enhances its mechanical performance. This grade is ideal for demanding engineering, industrial, and structural applications where strength and durability are critical.

Manufactured from a carefully engineered alloy of chromium, nickel, copper, and other elements, 17-4PH stainless steel combines tough mechanical properties with reliable corrosion protection in various environments. It is widely used across industries such as aerospace, chemical processing, automotive, oil & gas, mining, and food processing.

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Understanding 17-4PH Stainless Steel Plate:

Strength, Versatility & Industrial Value

When it comes to high-performance metals that combine strength, corrosion resistance, and fabrication flexibility, few materials match the capabilities of the 17-4PH stainless steel plate. This precipitation-hardening stainless steel — also referred to as 17 4 stainless steel plate or 17 4 ph stainless steel sheet plate — delivers a unique blend of mechanical and physical properties that make it an ideal choice in demanding industrial applications.

What Is 17-4PH Stainless Steel?

17-4PH stainless steel, formally designated as UNS S17400 and sometimes known by its aerospace specification AMS 5604, is a precipitation-hardening martensitic stainless steel. The term “PH” stands for precipitation hardening — a controlled heat-treatment process that increases the material’s strength and hardness.

This metallurgical transformation makes the 17 4 ph stainless steel plate much stronger and tougher than many conventional stainless steels. Unlike austenitic stainless grades (such as 304 or 316), 17-4PH achieves its full mechanical potential after heat treatment, allowing engineers to tailor its properties for specific performance requirements.

Key Characteristics & Material Properties

The defining features of 17-4 stainless steel plate include:

High Strength and Hardness – Heat treatment significantly increases tensile and yield strength, enabling tensile values in excess of 1,100 MPa (160 ksi) in aged conditions.

Good Corrosion Resistance – While not as corrosion-proof as 300-series stainless steels in all environments, 17-4PH performs exceptionally well in many atmospheric and mildly corrosive environments, often comparable to or better than some 400-series grades.

Thermal Stability – It maintains useful strength and performance up to moderate temperatures (typically under 572°F / 300°C).

Fabrication Flexibility – 17-4PH is suitable for machining, forming, and finishing. However, while machining in the solution-treated condition is easier, ageing treatments after fabrication are often used to achieve desired hardness.

Typical Chemical Composition

The alloying elements in 17-4PH stainless steel plate work together to balance strength and corrosion resistance:

Chromium (Cr): approx. 15–17.5%

Nickel (Ni): 3–5%

Copper (Cu): 3–5%

Carbon (C): ≤0.07%

Other trace elements such as manganese, silicon, phosphorus, sulfur, and niobium/tantalum.

This alloy chemistry makes 17-4PH distinctly different from typical 300-series stainless steels and gives it the ability to respond to age-hardening heat treatments.

Mechanical Performance & Heat Treatment

One of the most notable aspects of a 17 4 stainless steel plate is how dramatically its mechanical properties improve after proper heat treatment. The process generally involves:

Solution Annealing – Heating the material to a high temperature (approx. 1500–1700°F), followed by rapid cooling to create a uniform martensitic structure.

Aging (Precipitation Hardening) – Controlled reheating to specific temperature ranges (commonly 900–1100°F) to precipitate strengthening phases in the alloy.

These steps allow 17-4PH to achieve high tensile strength and hardness without significantly compromising ductility — a rare balance in stainless steels.

Where Is 17-4PH Stainless Steel Plate Used?

Thanks to its excellent combination of properties, the 17 4 ph stainless steel sheet plate is widely used across multiple industries, including:

Aerospace and Defense – Structural components, gears, fasteners, and aircraft fittings where strength and corrosion resistance are crucial.

Oil & Gas – Valves, shafts, and pressure vessel parts that need to endure corrosive elements and fluctuating loads.

Chemical Processing – Equipment and piping exposed to corrosive chemical environments.

Food & Pharmaceutical Manufacturing – Hygienic surfaces and machinery components where a blend of corrosion resistance and strength is required.

Marine & Offshore – Components exposed to seawater and marine environments benefit from its corrosion resistance and durability.

These applications highlight the versatility of 17 4 ph stainless steel sheet plate, especially when strength and corrosion resistance cannot be compromised.

Forms & Availability

Notably, 17-4PH stainless steel plate is available in a range of thicknesses to suit diverse engineering needs — from thin sheets to thick plates over 100 mm in thickness. This range gives designers flexibility when choosing material sizes for fabrication and manufacturing.

Final Thoughts: Why Choose 17-4PH?

Whether you are sourcing 17 4 ph stainless steel plate for a high-performance aerospace part or a robust chemical processing structure, this grade offers a reliable blend of mechanical strength and corrosion resistance. With established global standards — including ASTM, ASME, EN, and JIS equivalents — 17-4 stainless steel plate continues to be a trusted choice for demanding industrial applications.

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Understanding UNS N08904: The Premium 904L Stainless Steel Alloy

UNS N08904 is a high-performance austenitic stainless steel known globally for its remarkable corrosion resistance and mechanical strength. Often specified in demanding industrial environments, this alloy is synonymous with 904L stainless steel, particularly when corrosion resistance and durability are essential. Engineers and material specialists often refer to this as 904L UNS N08904 to highlight both its grade and its unique corrosion-resistant chemistry.

In this comprehensive guide, we’ll explore the UNS N08904 material, its equivalents, chemical and mechanical characteristics, applications, and why it’s a go-to choice for aggressive industrial environments.

What Is UNS N08904?

At its core, UNS N08904 is the Unified Numbering System designation for 904L stainless steel — a super-austenitic stainless steel that incorporates high levels of nickel, chromium, molybdenum, and copper. Compared to other stainless steels, this alloy delivers superior corrosion resistance, especially against reducing acids and chloride-based environments.

The low-carbon nature of UNS N08904 also reduces the risk of sensitization during welding, meaning it maintains excellent corrosion resistance even after fabrication.

UNS N08904 Equivalent and 904L 1.4539

One key factor when specifying UNS N08904 material is understanding its international equivalents. Engineers often encounter different standards and designations globally. Fortunately, this grade is widely recognized and cross-referenced in numerous standards:

AISI/ASME: 904L

UNS: N08904

DIN/EN/Werkstoff: 1.4539 (X1NiCrMoCu25-20-5)

JIS: SUS 904L

AFNOR: Z2 NCDU 25-20

Swedish SS: 2562

These equivalents ensure that materials sourced from different regions meet the same performance criteria, making 904L UNS N08904 a truly global material.

Chemical Composition of 904L UNS N08904

The excellent corrosion resistance of 904L UNS N08904 arises from its optimized alloy chemistry. The major elements and their roles include:

Nickel (Ni): 23.0–28.0% – Enhances formability and corrosion resistance.

Chromium (Cr): 19.0–23.0% – Crucial for oxidation and general corrosion resistance.

Molybdenum (Mo): 4.0–5.0% – Improves resistance to pitting and crevice corrosion.

Copper (Cu): 1.0–2.0% – Aids resistance to reducing acids like sulfuric acid.

Carbon (C): ≤0.02% – Low carbon minimizes carbide precipitation and enhances weldability.

Manganese (Mn), Silicon (Si), Phosphorus (P), Sulfur (S): Minor elements balanced to optimize mechanical behavior and industrial usability.

This carefully balanced chemistry gives UNS N08904 material its signature performance in harsh chemical and marine environments.

Mechanical Properties of UNS N08904

Along with its corrosion resistance, 904L stainless steel delivers reliable mechanical performance. Typical properties include:

Tensile Strength: ≥ 490 MPa

Yield Strength (0.2% offset): ≥ 220 MPa

Elongation: ≥ 35%

Hardness: ≤ 90 HRB

These properties make 904L UNS N08904 suitable for structural components that must withstand both corrosive attack and mechanical loading.

Corrosion Resistance: A Major Advantage

One of the defining strengths of UNS N08904 is its superior corrosion resistance compared to standard austenitic grades such as 304L or 316L stainless steels:

Sulfuric Acids and Reducing Environments: The significant copper content improves resistance to strong reducing acids — environments in which many stainless steels fail.

Chloride Stress Corrosion Cracking: High nickel and molybdenum levels enhance resistance to chloride damage, a common issue in seawater and industrial brines.

Pitting and Crevice Corrosion: The alloy maintains excellent performance in localized corrosion zones thanks to its balanced microstructure and alloying elements.

This robustness is precisely why 904L 1.4539 is preferred in aggressive service environments where long-term reliability is essential.

Typical Applications of 904L Stainless Steel

Due to its blend of corrosion resistance and mechanical strength, UNS N08904 material is widely used across industries including:

Chemical Processing: Reactors, piping, and heat exchangers handling sulfuric and phosphoric acids.

Oil & Gas: Offshore equipment, desalination units, and robust piping systems.

Marine and Seawater Equipment: Condensers, cooling systems, and seawater piping.

Pharmaceutical and Food Processing: Hygienic process equipment with strict corrosion standards.

Power Generation: Flue gas desulfurization, cooling systems, and boiler components.

In all these sectors, 904L UNS N08904 ensures extended service life, reduced maintenance, and dependable performance.

Fabrication and Welding

Despite its high alloy content, UNS N08904 stainless steel shows good weldability and fabrication behavior. Its low carbon content prevents sensitization, making post-weld corrosion resistance reliable. It can be cold or hot formed, although higher forming forces may be required compared to lower alloyed materials.

Machining is moderate, typically requiring sharp tools and controlled speeds due to the alloy’s tough microstructure.

Conclusion

UNS N08904 represents a class of high-performance stainless steel engineered for demanding, corrosive environments. Known globally through its equivalents such as 904L UNS N08904 and 904L 1.4539, this material combines excellent corrosion resistance, sound mechanical properties, and reliable fabrication characteristics. Whether in chemical plants, marine applications, or power generation, UNS N08904 material continues to be a top choice for engineers seeking durability and performance.

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Discover premium-quality Nickel 200 Sheet & Plate from DNYA Stainless Steel Pvt. Ltd. Engineered for superior corrosion resistance, electrical conductivity, and durability, Nickel 200 is ideal for high-temperature and industrial applications. Get excellent performance with exceptional strength and ductility. Contact us today or visit www.dnyastainless.com

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LDX 2101 Duplex Stainless Plate - Dnya Stainless Steel

LDX 2101 Duplex Stainless Steel (UNS S32101, 1.4162) is ideal for structural components, storage tanks, bridges, and transportation systems.

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Inconel 330 Sheet & Plate | UNS N08330 | Alloy 330

Inconel 330 Sheet & Plate stands out as a trusted and efficient option, delivering unmatched performance in some of the harshest environment