Semih Metals, located in Istanbul, Turkey, has built a solid reputation as a reliable manufacturer and supplier of top-notch Super Duplex Steel Forgings, catering to industries around the globe. Known for their precision engineering and adherence to international quality standards, Semih Metals produces forgings that boast remarkable strength, toughness, and outstanding resistance to corrosion. These Super Duplex Steel Forgings are designed to perform consistently in demanding environments, making them perfect for critical industrial applications. With state-of-the-art production facilities and a strong commitment to excellence, Semih Metals guarantees consistent product quality, accurate dimensions, and timely delivery, offering dependable solutions for industries that need high-performance steel components. Semih Metals based in Istanbul, Turkey, is a firm manufacturer and supplier of quality metals, providing different alloys for assorted industrial purposes. Specializing in Super Duplex Steel Forgings , this metal is renowned to be one of the strongest steels, long-lasting, with high resistance against corrosion. As such, these particular steels from Semih Metals best suit the critical applications in chemical processing, in offshore oil and gas platforms, and marine contexts. The company ensures prompt delivery of prime quality Super Duplex Steel products-which include forging, valves and fittings-to rigorous standards to accommodate critical applications globally across a multitude of industries.
Super Duplex Steel Forgings feature a well-balanced microstructure of austenite and ferrite, enriched with high levels of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), tungsten, and nitrogen. This unique chemical makeup provides exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in environments rich in chlorides and acids. Their mechanical properties include impressive tensile strength of around 800–880 MPa, yield strength of about 550 MPa, and excellent toughness even in sub-zero temperatures. The blend of superior corrosion resistance and mechanical strength ensures these forgings are durable and reliable, even under extreme service conditions.
| Standard | ASTM A182, ASME SA182 |
| Specification | DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs. |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs. |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs. |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
To verify the quality of Super Duplex Steel forgings, check for certifications like ASTM, ASME, or ISO standards. Conduct tests such as mechanical property testing, chemical composition analysis, and non-destructive testing (NDT) like ultrasonic or magnetic particle inspections.
Compatible welding processes for Super Duplex Steel forgings include Tungsten Inert Gas (TIG), Metal Inert Gas (MIG), Shielded Metal Arc Welding (SMAW), and Submerged Arc Welding (SAW), using appropriate filler materials.
Super Duplex Steel forgings are governed by standards such as ASTM A182, ASTM A240, ASME SA-182, ASME SA-240, and EN 10088-3, which define material properties, chemical composition, and mechanical requirements.
Super Duplex Steel Forgings find extensive applications in the oil and gas, chemical processing, marine, desalination, and power generation sectors. They are perfect for crafting flanges, valves, pump shafts, fittings, and pressure vessels that need to endure harsh chemicals and seawater. Their durability helps minimize maintenance needs, cut down on downtime, and guarantees a long service life. Semih Metals’ Super Duplex Steel Forgings deliver robust, corrosion-resistant, and trustworthy solutions for industries that demand high-performance steel components in tough operating conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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