Hardness testing to ISO 6508-1
Super Duplex Stainless Steel 2507 Stud Bolts are fasteners made from Super Duplex Stainless Steel 2507, which is a high-performance alloy known for its exceptional corrosion resistance and mechanical properties. These stud bolts are commonly used in various industries, especially in applications where resistance to corrosion, high pressure, and extreme temperatures are essential. Here are some key features and applications of Super Duplex Stainless Steel 2507 stud bolts:
Corrosion Resistance: Super Duplex Stainless Steel 2507 offers excellent corrosion resistance, making it suitable for use in aggressive environments, such as offshore oil and gas platforms, chemical processing plants, and marine applications.
High Strength: This alloy has a high tensile strength and is capable of withstanding heavy loads, making it ideal for applications where strong fastening is required.
Pitting and Crevice Corrosion Resistance: Super Duplex Stainless Steel 2507 is particularly resistant to pitting and crevice corrosion, which is common in chloride-rich environments.
Resistance to Stress Corrosion Cracking: It exhibits resistance to stress corrosion cracking, which is a significant concern in many industries, including petrochemical and nuclear.
High Temperature Resistance: Super Duplex Stainless Steel 2507 maintains its mechanical properties at elevated temperatures, which is crucial in high-temperature applications.
Duplex Structure: Like other duplex stainless steels, it has a dual-phase microstructure, combining both austenitic and ferritic phases, resulting in superior mechanical and corrosion-resistant properties.
|Specifications||ASTM A479 / ASME SA479|
|Size||M02 to M160|
|Length||3 to 200 mm|
|Dimensions||DIN 975/976, ASME B18.2.1, B18.31.3, B16.5|
|DIN Standard||B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913|
|UTS||NPT, UNS, UNF, UNC, UNEF, NPTF|
|ISO||ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards|
|Threads||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|Type||Cold Forged, Hot Forged, Bar Stock Machined, Bar Stock Milling|
Oil and Gas Industry: Super Duplex Stainless Steel 2507 stud bolts are commonly used in offshore and onshore oil and gas facilities, including pipelines, subsea equipment, and drilling rigs, where they need to withstand harsh and corrosive conditions.
Chemical Processing: These stud bolts find application in chemical processing plants, where resistance to aggressive chemicals and high temperatures is essential.
Marine and Shipbuilding: Super Duplex Stainless Steel 2507 is suitable for marine applications, such as shipbuilding and offshore structures, where exposure to saltwater and corrosive marine environments is prevalent.
Power Generation: They are used in power generation facilities, including nuclear and fossil fuel power plants, due to their resistance to corrosion and high temperatures.
Pulp and Paper Industry: In the pulp and paper industry, these stud bolts are utilized in equipment and machinery that come into contact with corrosive chemicals and high-temperature steam.
Water Treatment: Super Duplex Stainless Steel 2507 stud bolts are employed in water treatment plants, particularly in areas with aggressive water conditions.
Aerospace: In certain aerospace applications, where corrosion resistance and high strength are required, these stud bolts may also find use.
Duplex Steel 31803, also known as UNS S31803 or 2205, is a popular duplex stainless steel alloy. Duplex stainless steels like 31803 have a dual-phase microstructure, combining elements of both austenitic and ferritic stainless steels. Stud bolts made from Duplex Steel 31803 offer several advantages and are used in various applications. Here are some key points about Duplex Steel 31803 stud bolts:
Corrosion Resistance: Duplex Steel 31803 is known for its excellent corrosion resistance, particularly in aggressive environments like seawater and chloride-containing solutions. This makes it suitable for applications where resistance to pitting, crevice corrosion, and stress corrosion cracking is essential.
Strength: It offers high tensile strength, making it suitable for applications that require strong stud bolts. The combination of strength and corrosion resistance is particularly valuable in industries such as oil and gas, petrochemical, and marine.
Temperature Resistance: Duplex Steel 31803 retains its mechanical properties at both low and high temperatures, which broadens its range of applications.
Weldability: It has good weldability, but care should be taken to use appropriate welding procedures to maintain its corrosion resistance. Post-weld heat treatment may also be necessary.
Applications: Stud bolts made from Duplex Steel 31803 are used in various industries and applications, including:
Oil and Gas: They are commonly used in offshore platforms, pipelines, and equipment due to their resistance to corrosion and high-strength properties.
Petrochemical: Stud bolts in 31803 are used in chemical processing plants and refineries where exposure to corrosive chemicals is a concern.
Marine: Due to its corrosion resistance, it is widely used in marine applications, including shipbuilding and offshore structures.
Construction: Duplex Steel 31803 stud bolts can also be used in construction projects, especially in areas exposed to harsh weather conditions.
To preserve the high standards of our selection of industrial stud bolts, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of stud bolts.
|ASTM A479 / A182 F55||1.4501||S32760|
|2507||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|
|Grades||Density (g/cm 3)||Density (lb/in 3)||Melting Point (°C)||Melting Point (°F)|
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
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