DIWA 393 is used where combined resistance to elevated temperatures up to 375 C (707 F) and elevated pressures is required, in nuclear power plant engineering, for example, in urea and methanol production, and in the manufacture of synthetic fuels. This steel is supplied in waterquenched and tempered state in thicknesses up to 250 mm (9.84 in.). DIWA 393 is based on the standardized 20MnMoNi45 grade (Material No. 1.6311), EN 10028, Part 2. This datasheet provides information on composition, physical properties, and tensile properties as well as fracture toughness. It also includes information on high temperature performance as well as heat treating and joining. Filing Code: SA-626. Producer or source: Dillinger Hütte GTS.

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