Duplex stainless steel

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Duplex stainless steel

Duplex stainless steel is a high-strength steel that has a ferritic–martensitic microstructure. It is a low-to-medium carbon material with between 5-50% volume fractional martensite islands that are dispersed in a soft ferrite matrix. In addition to martensite, bainite and retained austenite components can also exist.

Standard: ASTM, DIN, EN, GB, JIS

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This is a picture of UNS S32205 Stainless Steel Coil SUS329J3L EN1.4462
UNS S32205 Stainless Steel Coil SUS329J3L EN1.4462

2205 stainless steel coil is a high-performance duplex stainless steel known for its excellent combination of strength, corrosion resistance, and durability. Composed of approximately equal parts austenite and ferrite, 2205 duplex stainless steel offers superior mechanical properties compared to standard austenitic stainless steels, making it ideal for applications where high strength and resistance to harsh environments are required. 

This is a picture of ASTM 31803 Stainless Steel Coil SUS31803 EN1.4462
ASTM 31803 Stainless Steel Coil SUS31803 EN1.4462

31803 stainless steel coil, also known as UNS S31803, is a duplex stainless steel grade renowned for its excellent combination of strength, corrosion resistance, and durability. As a duplex stainless steel, 31803 features a mixed microstructure of austenite and ferrite, which provides it with superior mechanical properties and resistance to various forms of corrosion, particularly stress corrosion cracking. 

This is a picture of UNS N08904 Stainless Steel Coil SUS904L EN1.4539
UNS N08904 Stainless Steel Coil SUS904L EN1.4539

904L stainless steel coil is a high-end austenitic stainless steel known for its exceptional corrosion resistance, particularly in harsh environments. Originally developed for use in the chemical industry, 904L has since found applications across various industries where superior corrosion resistance, strength, and durability are critical. 

This is a picture of UNS N08904 Stainless Steel Plate SUS904L EN1.4539
UNS N08904 Stainless Steel Plate SUS904L EN1.4539

904L stainless steel plate is a high-alloy austenitic stainless steel with a high chromium, nickel, and molybdenum content. It is designed for superior corrosion resistance, especially in highly aggressive environments, including those containing chloride and sulfuric acid.

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