Super Duplex Stainless Steel vs 316 Stainless Steel: What’s the Difference?
When it comes to selecting the right stainless steel for demanding industrial applications, understanding the nuances between different grades is…
Are you searching for the most up-to-date price list for Super Duplex Steel S32750/S32760 sheets and plates? Or perhaps you’re seeking insights into its remarkable chemical and mechanical properties that set it apart in demanding applications? Super Duplex Steel, known for its superior corrosion resistance and high strength, is a material of choice in industries ranging from offshore and subsea control lines to fire-fighting systems and chemical processing. This guide will delve into everything you need to know—from current market trends and pricing variations across different regions to the essential standards for compliance and the best suppliers worldwide. Ready to uncover the secrets of this exceptional steel? Let’s dive in!
Super Duplex Stainless Steels S32750 and S32760 are highly durable materials known for their exceptional strength and resistance to corrosion. These advanced alloys are designed for demanding environments, making them ideal for various industrial applications.
Super Duplex Steels S32750 and S32760 have a mixed microstructure of austenitic and ferritic phases, combining the best properties of both types of stainless steel. This unique structure offers:
Super Duplex Steels are renowned for their superior resistance to various forms of corrosion:
Due to their robust properties, Super Duplex Steels S32750 and S32760 are used in a wide range of applications, including:
Super Duplex Steels S32750 and S32760 comply with numerous standards, including:
These stringent standards ensure the reliability and performance of these materials across various demanding applications.
Super Duplex Steels S32750 and S32760 are renowned for their exceptional strength and resistance to corrosion, thanks to their unique chemical composition.
The key elements in these steels are:
Specific to S32760, there are additional elements:
These elements contribute to the enhanced corrosion resistance, strength, and durability of these steels.
These steels are known for their remarkable mechanical properties:
Both grades have a PREN of 40 or higher, offering excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride environments.
Super Duplex Steels S32750 and S32760 also possess notable physical properties:
Super Duplex Steels can be welded using various methods without the need for preheating or post-heating. They are solution treated or annealed by rapid cooling after heating to approximately 1100°C.
These properties make Super Duplex Steels S32750 and S32760 highly versatile and reliable for use in various industrial applications, where both mechanical performance and corrosion resistance are critical.
Super Duplex Steel S32750 and S32760 are commonly used in subsea control lines because of their excellent corrosion resistance and high strength. These lines are crucial for controlling the flow of fluids in subsea production systems, and their exposure to highly corrosive environments necessitates the use of materials that can withstand such conditions. The steels’ resistance to pitting and crevice corrosion, especially in chloride-rich environments, makes them ideal for these applications.
Offshore platforms require materials that can withstand high salinity and pressure, making Super Duplex Steel ideal for structural and piping applications. The harsh marine environment demands materials that offer both durability and resistance to corrosion. Components such as risers, manifolds, and flowlines benefit from the high mechanical strength and excellent corrosion resistance of these steels, ensuring long-term reliability and safety.
Super Duplex Steel S32750 and S32760 are used in fire-fighting systems, particularly in environments where system components are exposed to seawater or other corrosive substances. These steels ensure fire-fighting systems remain operational under high pressure and corrosive conditions, providing reliable emergency response.
Injection and ballast water systems handle large volumes of water, often containing corrosive agents. Super Duplex Steel’s high strength and corrosion resistance ensure these systems operate efficiently with minimal maintenance. These qualities are critical in marine and offshore operations where the longevity and efficiency of systems are paramount.
Heat exchangers in chemical processing, power generation, and marine applications benefit from Super Duplex Steel. These steels withstand high temperatures and corrosive environments, enhancing performance and durability. The excellent thermal conductivity and mechanical strength of Super Duplex Steel make them suitable for demanding operational conditions.
Prices for Super Duplex Steel S32750 and S32760 sheets and plates vary widely depending on the supplier, quantity, product specifications, and market conditions.
For smaller orders, typically around 200 kg, the price per kilogram can range between US$ 5.8 to US$ 6.8. This price variation is influenced by the specific requirements of the product, such as dimensions and quality standards.
For bulk purchases, such as one metric ton (1 ton), the pricing structure is different. Here, prices can range from US$ 980 to US$ 1580 per ton. In some cases, depending on the supplier and specific product characteristics, prices may go up to US$ 2000 to US$ 3500 per ton. Bulk purchases often attract discounts, making them more cost-effective for large-scale projects.
Several factors contribute to the pricing of Super Duplex Steel S32750 and S32760 sheets and plates, including:
For the most accurate pricing, request quotes directly from suppliers. This ensures a response tailored to your specific needs and current market conditions. Many suppliers provide online forms or direct contact options for quote requests, ensuring potential buyers receive precise pricing details suited to their needs.
Understanding the pricing landscape for Super Duplex Steel S32750 and S32760 sheets and plates aids in making informed purchasing decisions. By considering factors like quantity, supplier policies, and market conditions, buyers can navigate pricing variations and secure the best deals.
In India, Super Duplex Steel (grades S32750 and S32760) costs about $7.27 per kilogram (around Rs 500 per kilogram). The lower price is due to readily available raw materials, local manufacturing, and lower labor costs. Indian suppliers often cater to both domestic and international markets, providing competitive pricing for bulk orders.
In the USA, Super Duplex Steel prices are higher, with the cost of S32750 and S32760 grades around $10.88 per kilogram (Rs 750 per kilogram). The higher price in the USA reflects the advanced manufacturing processes, strict quality standards, and higher labor costs. Additionally, import tariffs and transportation costs for raw materials contribute to the increased pricing. The USA market demands high-quality materials for critical applications in industries such as oil and gas, chemical processing, and marine engineering.
In the UK and Europe, Super Duplex Steel costs about $10.15/kg (Rs 700/kg). These higher prices reflect strict environmental regulations, high-quality standards, and advanced technology. The steel is highly sought after for offshore oil and gas platforms, chemical plants, and other industries requiring corrosion resistance and high strength.
In Japan, the price for Super Duplex Steel grades S32750 and S32760 is around $9.45 per kilogram (Rs 650 per kilogram). The cost in Japan reflects the country’s advanced manufacturing technologies, high labor costs, and the quality assurance processes that are integral to Japanese industry. Japan’s market for Super Duplex Steel is driven by its application in high-performance and precision engineering sectors, including automotive, marine, and chemical industries.
To compare prices more easily, here they are in euros:
The prices mentioned are generally for various forms of Super Duplex Steel, including pipes, tubes, fittings, flanges, wires, fasteners, round bars, and plates. Specific product forms may have slightly different pricing due to varying manufacturing and processing costs. For example, more complex shapes or products requiring additional treatments and certifications may command higher prices.
Market variations and supplier differences can lead to price fluctuations, especially on platforms like Alibaba. Prices can vary widely depending on the supplier and product type (e.g., sheets, plates, pipes). Therefore, it’s crucial to request quotes from multiple suppliers to ensure competitive pricing.
Super Duplex Steel 2507 (S32750) tends to be pricier in the USA and Europe than in India and Japan. Its high corrosion resistance and mechanical strength make it essential for demanding applications like offshore platforms, chemical processing, and the petroleum industry, justifying its premium price. Prices can vary based on the specific form of the material and the supplier, emphasizing the importance of checking current market rates and obtaining supplier quotes.
Super Duplex Steel S32750 and S32760 are highly popular due to their outstanding corrosion resistance, especially in harsh environments. This property is critical in industries such as offshore oil and gas, chemical processing, and marine engineering, where materials are exposed to highly corrosive substances like chlorides and acids. The presence of chromium, molybdenum, and nitrogen in their composition enhances their ability to resist pitting and crevice corrosion, making them ideal for such applications.
The balance of strength and toughness provided by the combination of austenitic and ferritic microstructures makes these steels ideal for high load-bearing applications like subsea control lines, offshore platforms, and high-pressure piping systems. This strength is beneficial in applications requiring high load-bearing capacity and resistance to mechanical stress.
Although initially more expensive than other stainless steels, Super Duplex Steels save money in the long run due to their durability and low maintenance needs. Their ability to withstand extreme conditions without significant degradation reduces the frequency of replacements and repairs, leading to lower lifecycle costs. This cost-effectiveness makes them a preferred choice for critical applications where reliability and longevity are essential.
The growing focus on sustainability and environmental impact has also driven the adoption of Super Duplex Steels. These materials are highly recyclable. Their long service life reduces the need for frequent replacements, minimizing waste and resource consumption. Industries are increasingly considering the environmental footprint of their materials, and Super Duplex Steels align well with these sustainability goals.
Super Duplex Steel S32750 and S32760 must comply with stringent international standards to ensure their quality and suitability for critical applications. These standards cover various aspects, including chemical composition, mechanical properties, and manufacturing processes.
The American Society for Testing and Materials (ASTM) provides several standards that apply to Super Duplex Steels:
The NORSOK standards, developed by the Norwegian petroleum industry, ensure that materials used in offshore and subsea applications meet high safety and reliability requirements:
The National Association of Corrosion Engineers (NACE) provides standards to ensure materials can withstand corrosive environments, particularly in the oil and gas industry:
European standards, including those from the Deutsches Institut für Normung (DIN) and the European Committee for Standardization (CEN), are also relevant:
To ensure compliance with these standards and the reliability of Super Duplex Steel products, rigorous testing and quality assurance measures are implemented:
These testing protocols ensure that Super Duplex Steel S32750 and S32760 meet the highest standards of performance and reliability, making them suitable for the most demanding industrial applications.
To find reliable Super Duplex Steel suppliers, focus on those with a well-established reputation and years of experience in the industry. Suppliers such as Sunflex Metal Industries, Metallica, and Amardeep Steel Centre, each boasting over three decades in the steel industry, have proven track records for delivering high-quality Super Duplex steel products.
A reliable supplier should offer a comprehensive range of Super Duplex steel products, including pipes, tubes, coils, plates, bars, and fittings. Companies like Sverdrup Steel, Sunflex Metal Industries, and Metallica maintain extensive inventories, ensuring that you can find the specific product forms and sizes required for your projects.
Ensure the supplier follows strict quality control measures and holds important certifications. For example, Sunflex Metal Industries is ISO 9000:2015 certified, and suppliers like All Metals & Forge Group, LLC, and Tech Steel & Materials comply with industry standards such as ASTM, AMS, and NIST SP 800-171. These certifications ensure the reliability and quality of their steel products.
Look for suppliers that offer exceptional customer service and technical support. Sverdrup Steel, for instance, has a dedicated technical team and metallurgists ready to assist with your project needs, ensuring you select the correct materials.
Consider the logistics and delivery capabilities of potential suppliers. Efficient logistics and reliable delivery channels are crucial for ensuring timely supply of materials. Suppliers like Sunflex Metal Industries and Metallica are known for their robust infrastructure and efficient delivery systems, which can significantly impact project timelines and success.
Review feedback from existing clients and look for suppliers with established partnerships in major industries. Companies such as Metallica and Amardeep Steel Centre serve a broad range of industries globally, including oil & gas, petrochemical, and power generation sectors. Positive client feedback and strong industry partnerships are indicators of a supplier’s reliability and product quality.
While quality is paramount, competitive pricing is also a key consideration. Suppliers like Sunflex Metal Industries and Metallica are known for offering competitive prices on Super Duplex steel products. Balancing cost with quality ensures that you receive good value for your investment.
Choose a supplier with a wide inventory of standard sizes and grades, and the ability to customize products to meet your specific needs. For example, Amardeep Steel Centre manufactures Super Duplex steel tubes in various sizes and dimensions according to customer specifications, providing the flexibility needed for unique projects.
By considering these factors, you can identify reliable suppliers who provide high-quality Super Duplex steel products tailored to your specific requirements.
Below are answers to some frequently asked questions:
The current price list for Super Duplex steel S32750/S32760 sheets and plates varies depending on the type and finish. Generally, prices range from $0.70 to $4.20 per kg, with specific products like the S32750 1.4410 DSS Super Duplex Stainless Steel Plate priced at $4.00 – $4.20 per kg, and the ASTM A240 Cold Rolled Duplex Steel F53 S32750 strip circle coil/sheet/plate priced at $2.20 – $4.00 per kg. Prices may also vary by region, with approximate conversions indicating rates like ₹500 (around $6.11 USD) for certain sheet types.
The price of Super Duplex 2507 varies by region due to factors like local demand, supply chain costs, and currency exchange rates. In India, prices range from ₹500 to ₹3,200 per kg. In the UK and Europe, it is around Rs 700 per kg, while in the USA, it is approximately Rs 750 per kg. In the UAE, prices range from $7-10 per kg, and in Japan, it is around Rs 650 per kg. These variations reflect the regional economic conditions and market dynamics, as discussed earlier.
Super Duplex steel S32750 and S32760 exhibit exceptional mechanical properties, including a tensile strength ranging from 730 to 930 MPa and a yield strength above 550 MPa. These alloys offer good ductility with an elongation at break of at least 25% and a maximum hardness of 290 HB. Additionally, they demonstrate excellent impact resistance with Charpy values around 100 J at room temperature and retain their mechanical strength from sub-zero temperatures up to about 480°C. These attributes, combined with superior corrosion resistance, make them ideal for demanding applications in marine, chemical, and oil & gas industries.
To find reliable suppliers for Super Duplex steel products, particularly grades S32750 and S32760, consider reputable companies such as Silicon Steels, Sunflex Metal Industries, and Metallica in India. Globally, Penn Stainless Products, All Metals & Forge Group, Mega Mex, and Langley Alloys, Inc. are well-known suppliers. Additionally, platforms like Thomasnet provide listings of various manufacturers and distributors, offering detailed information about their capabilities and product ranges. These suppliers are recognized for their quality, reliability, and competitive pricing, ensuring you receive high-standard Super Duplex steel products.
Super Duplex steel grades UNS S32750 and UNS S32760 are typically used in demanding applications due to their exceptional mechanical properties and high corrosion resistance. Common applications include the oil and gas industry for transporting corrosive substances, chemical processing plants for handling aggressive chemicals, marine engineering for shipbuilding and offshore structures, desalination and seawater treatment facilities, and heat exchangers and pressure vessels. They are also utilized in the power industry for flue gas desulfurization systems, offshore structural components, and food processing equipment, ensuring high performance under challenging conditions.
Super Duplex steel S32750 and S32760 adhere to several key standards that ensure their quality and suitability for various applications. For S32750, relevant standards include ASTM A240, A276, A479, and A790, as well as ASME SA240, SA276, SA479, and SA790, and European standards like BS EN 10088-2 and EN 10028-7. S32760 is governed by ASTM standards such as A182, A240, A276, A314, A473, A479, A815, A928, and A890, along with corresponding ASME standards and European norms like BS EN 10088-2. These standards cover chemical composition, mechanical properties, and testing requirements, ensuring reliable performance in demanding applications.
