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2. Duplex stainless steel - Wikipedia

   en.wikipedia.org/wiki/Duplex_Stainless_Steel

   Duplex steels also have higher strength. For example, a Type 304 stainless steel has a 0.2% proof strength in the region of 280 MPa (41 ksi), a 22%Cr duplex stainless steel a minimum 0.2% proof strength of some 450 MPa (65 ksi) and a superduplex grade a minimum of 550 MPa (80 ksi). [6]

3. Stainless steel - Wikipedia

   en.wikipedia.org/wiki/Stainless_steel

   Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5%, or more, chromium content which forms a passive film that can protect the material ...

4. SpaceX Starship - Wikipedia

   en.wikipedia.org/wiki/SpaceX_Starship

   The bodies of both rocket stages are made from stainless steel [21] and are manufactured by stacking and welding stainless steel cylinders. [22] These cylinders have a height of 1.8 m (5 ft 11 in), a thickness of 4 mm (0.16 in) and a mass of 1,600 kg (3,500 lb) each. [22] Domes inside the spacecraft separate the methane and oxygen tanks. [22]