Super Duplex Stainless Steel Round Bars
Super Duplex Stainless Steel
Super Duplex Stainless Steel Sheet
Super Duplex Stainless Steel Plate
Super Duplex Stainless Steel Pipe and Pipe Fittings
Super Duplex Stainless Steel Tubes
Super Duplex Stainless Steel Round Bars and Rods
Super Duplex Stainless Steel Forged Fittings
Super Duplex Stainless Steel Round Bars
Super duplex stainless steel round bars and rods supplier in maharashtra represent a class of stainless steel alloys enriched with substantial levels of chromium, molybdenum, and nitrogen, rendering them exceptionally impervious to corrosion, stress corrosion cracking, and pitting. These round bars emerge as the material of choice for demanding environments such as offshore oil rigs, chemical processing plants, and desalination facilities.
Ashapura Steel proudly presents a diverse assortment of super duplex stainless steel round bars and rods, featuring grades like S32750 and S32760, each endowed with distinct mechanical properties and corrosion resistance attributes. Our round bars come in a variety of sizes and lengths, tailor-made to fulfill your precise requirements.
ASTM A479 Super Duplex Stainless Steel Round Bars and Rods Equivalent Grades
The most commonly used standard for duplex steel round bars is ASTM A479. It specifies the chemical composition, mechanical properties, and other relevant requirements for stainless steel bars and shapes for use in boilers and pressure vessels.
UNS S31803/S32205
These grades are also known as F51/F60 or 2205 duplex stainless steel. They have a high chromium content (22%) and moderate nickel content (5%), which provides excellent corrosion resistance in various environments such as seawater, acidic solutions, and chloride-containing media.
UNS S32750
This grade is also known as F53 or 2507 super duplex stainless steel. It has a higher chromium (25%) and molybdenum (4%) content than S31803/S32205, which enhances its resistance to pitting corrosion caused by chlorides and other halide ions.
UNS S32760
This grade is also known as F55 or Zeron 100 super duplex stainless steel. It has a higher chromium (25%), molybdenum (3%), tungsten (1%), and copper (0.5%) content than S32750, which offers superior corrosion resistance in aggressive environments such as sulfuric acid solutions.
Properties of Equivalent Grades
Each grade of duplex steel round bar has unique properties that make it suitable for specific applications.
Corrosion resistance
Duplex steel round bars have excellent corrosion resistance due to their high chromium and molybdenum content. They can withstand pitting, crevice, and stress corrosion cracking in various environments.
Strength
Duplex steel round bars have higher strength than austenitic stainless steels due to their duplex microstructure. They exhibit good ductility and toughness even at low temperatures.
Weldability
Duplex steel round bars are weldable using conventional welding methods such as gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW). However, care should be taken to avoid excessive heat input that may cause intermetallic phases and reduce the corrosion resistance.
Types of Super Duplex Stainless Steel Round Bars and Rods Available
Super Duplex Round Bar
The most common type of super duplex steel round bar is the standard super duplex round bar. This type of bar is made from a combination of austenitic and ferritic stainless steels, which gives it superior strength and corrosion resistance. It is commonly used in applications such as offshore oil rigs, chemical processing plants, and seawater desalination plants.
Super Duplex S32750 Round Bars
Super duplex S32750 round bars are a specific type of super duplex steel that contains high levels of both chromium and molybdenum. This gives them exceptional resistance to pitting and crevice corrosion, making them ideal for use in harsh environments where other materials may fail. They are often used in applications such as chemical processing plants, oil refineries, and offshore drilling rigs.
ASTM A276 Super Duplex S32750 Round Bars
ASTM A276 super duplex S32750 round bars are manufactured according to strict industry standards set by the American Society for Testing and Materials (ASTM). These standards ensure that the bars meet specific requirements for composition, mechanical properties, and performance. This makes them a reliable and consistent choice for applications where quality and consistency are critical.
Stainless Steel Round Bar
Stainless steel round bars are another popular type of super duplex steel round bar. They are made from a combination of chromium, nickel, and molybdenum, which gives them excellent strength, durability, and resistance to corrosion. They are often used in applications such as aerospace engineering, medical equipment manufacturing, and food processing.
Forged Round Bars
Forged round bars are a type of super duplex steel round bar that is manufactured using a forging process. This process involves heating the metal to high temperatures and then shaping it using mechanical force. This results in a highly dense and uniform material with exceptional strength and durability. Forged round bars are often used in applications such as heavy machinery manufacturing, power generation, and construction.
UNS S32750 Round Bar
UNS S32750 is a specific grade of super duplex steel that contains high levels of both chromium and molybdenum. It is highly resistant to pitting and crevice corrosion, making it ideal for use in harsh environments where other materials may fail. UNS S32750 round bars are often used in applications such as chemical processing plants, oil refineries, and offshore drilling rigs.
Super Duplex Stainless Steel Round Bars and Rods Specification
| S32750 Sheets Specifications | ASTM A240 / ASME SA240, BS EN 10088-2, en 10028-7, IS 6911 |
|---|---|
| S32750 Sheets Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Super Duplex Steel S32750 Sheets Size Range | "Cold rolled ASME SA240 Grade S32750 Super Duplex Steel Sheet 0.5-6.4 mm Hot rolled ASME SA240 Grade S32750 Super Duplex Steel Sheet 3.0–10.0 mm" |
| S32750 Super Duplex Steel Sheets Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Super Duplex Steel S32750 Sheets Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Super Duplex Steel S32750 Sheets Thickness | 0.3 mm to 120 mm |
| International Standard of Super Duplex Steel S32750 Sheets | ASTM A480 ASTM A959 ASME IID EN ISO 9445 EN ISO 18286 EN 10051 EN 10088-1 ISO 15510 |
| Tolerances (width / thickness) of Super Duplex Steel S32750 Sheets | EN 10258/ DIN 59381) EN 10151 ASME SA240 S32750 Super Duplex Steel Strips EN 10088 SA -240-S32750 Strips |
| Finish of Super Duplex Steel S32750 Sheets | 2B, 2D, BA NO (8), Cold rolled sheet (CR), Hot rolled plate (HR), SATIN (Met with Plastic Coated), No.1 finish hot rolled, 1D, 2B, No.4, BA, 8K, satin, hairline, brush, mirror etc. |
| Hardness | Half Hard, Soft, Hard, Quarter Hard, Spring Hard |
| Form | Sheet, Plate, Strip, Flats, Clad Plate, Coils, Foils, Plain Sheet, Flat Shim, Flat Sheet, Shim Sheet, Rolling Sheet, Rolling Plate, Rolls, Blank (Circle), soft annealed, descaled, tread plate, sheared, annealed, Checker Plate |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Super Duplex Steel S32750 Profiling | Plasma Plate Cutting Laser Plate Cutting Oxy-propane Flame Cutting |
ASTM A276 S32760 Super Duplex Stainless Steel Round Bars and Rods Standards
| Grade | EN 10088-3 | EN 10272 | "AD2000- W2/W10" | ASTM A 479 | ASME SA 479 | NACE MR 0175 |
|---|---|---|---|---|---|---|
| ASTM A276 UNS S32760 Round Bar | 20-450 mm | 20-160 mm | - | 20-450 mm | 20-450 mm | Independent of size |
Super Duplex Stainless Steel Round Bars and Rods Sizes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
Super Duplex Stainless Steel Round Bar resistivity
| Temperature, °C | μΩm | Temperature, °F | μΩin. |
|---|---|---|---|
| 20 | 0.83 | 68 | 32.7 |
| 100 | 0.89 | 200 | 34.9 |
| 200 | 0.96 | 400 | 37.9 |
| 300 | 1.03 | 600 | 40.7 |
| 400 | 1.08 | 800 | 43.2 |
Super Duplex Stainless Steel Rod elasticity
| Temperature, °C | MPa | Temperature, °F | ksi |
|---|---|---|---|
| 20 | 200 | 68 | 29 |
| 100 | 194 | 200 | 28.2 |
| 200 | 186 | 400 | 27 |
| 300 | 180 | 600 | 26.2 |
Super Duplex Stainless Steel Round Bar temperature
| Grade | Temperature |
|---|---|
| Duplex 2707 HD | 1080-1120°C/ 1976-2048°F |
| Duplex 2507 | 1050-1125°C/ 1922-2057°F |
Super Duplex Stainless Steel Round Bars and Rods Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
Super Duplex Stainless Steel Round Bars and Rods Mechanical Properties
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| Super Duplex S32750/S32760 Round Bar | 7.8 | 0.281 | 1350 | 2460 |
Industrial Application of Super Duplex Stainless Steel Sheets
Defence & Aerospace
Defence & Aerospace
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Oil/Gas
Oil/Gas
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Speciality Valves & Vacuum
Speciality Valves & Vacuum
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Precision Components
Precision Components
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