Super Duplex Steel 2507 is an exceptionally corrosion-resistant alloy composed of austenitic and ferritic stainless steels combining superior properties of each. Packed with chromium, nickel, molybdenum and nitrogen for increased chloride stress corrosion cracking resistance as well as mechanical strength benefits, Super Duplex is widely utilized in aggressive environments like seawater applications, chemical processing plants or oil and gas industries for its superior corrosion-resistance and excellent mechanical properties.
Super Duplex Stainless Steel 2507, also known as UNS S32750, offers exceptional corrosion resistance due to its high chromium, molybdenum, and nitrogen content. It withstands harsh environments including those with acidic, chloride-containing, and corrosive substances, making it ideal for offshore and marine applications. Its resistance to pitting and crevice corrosion surpasses that of conventional stainless steels, ensuring longevity in demanding conditions.
Due to its strength and work-hardening properties, Super Duplex 2507 presents unique challenges regarding machinability. This necessitates special tools and techniques to reduce tool wear while keeping dimensions accurate. However, even with its challenging machining properties, Super Duplex 2507 can still be machined successfully using adequate tooling and lubrication, making it suitable for various industrial applications.
Super Duplex 2507's weldability is another key characteristic, determining both ease and quality in joining components together. While its weldability characteristics are good, precaution must be taken during welding to prevent damaging phases like the Sigma phase from forming; appropriate filler materials, welding procedures and post-weld heat treatment techniques all help retain mechanical properties and corrosion resistance in joints while adding to structural integrity of fabricated parts.
Super Duplex Stainless Steel 2507 finds wide use across industries such as chemical processing, oil and gas production and desalination plants. Due to its superior corrosion resistance combined with its strength and excellent mechanical properties, Super Duplex 2507 makes an excellent material choice for components exposed to aggressive environments, while industries like pulp & paper production, pharmaceutical production and power generation also find great benefit in using it in equipment or infrastructure with which corrosion protection and durability is a top priority.
Super Duplex Stainless Steel 2507 can be seen everywhere from pipe systems and pressure vessels, heat exchangers and storage tanks in industrial settings to offshore platforms and subsea pipelines in high pressure oil refineries, as its corrosion resistant nature allows it to tolerate both aggressive fluids as well as high pressure environments. Furthermore, chemical processing equipment, valves and fittings fabricated using Super Duplex 2507 provide reliable performance even under challenging operating environments.
Apple Steels is a reputable manufacturer and supplier of Super Duplex Steel 2507 in Mumbai, India. Super Duplex Steel 2507 is a highly sought-after alloy combining austenitic and ferritic stainless steels, ideal for applications in aggressive environments such as chemical processing and oil and gas industries.
Standards : | ASTM A276 / ASME SA276 |
Dimensions : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Wire : | Thickness starting from 0.05mm |
Round bar size : | Diameter: 3-~800mm |
Hex Bar size : | 2-100mm A/F |
Flat bar size : | Thickness: 2 -100mm / Width: 10 to 500mm |
Square bar size : | 4 to 100mm |
Rectangular Bars Size : | 33 x 30mm to 295 x 1066mm |
Hollow Bar : | 32mm OD x 16mm ID to 250mm OD x 200mm ID |
Tolerance : | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
Finish : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
STANDARD | WERKSTOFF NR. | UNS |
Super Duplex S32750/S32760 | 1.4410 | S32750 / S32760 |
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 |
Element | S32760 |
0.2% Proof Stress (N/mm2 ) [ksi] minimum | 550 [79.8] |
Ultimate Tensile Strength (N/mm2) [ksi] minimum | 750 [108.8] |
Elongation (%) minimum | 25 |
Reduction of Cross Section Area (%) minimum | 45 |
Hardness (HBN) | 270max |
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