Steel and cast iron for stationary steam turbine units. Grades (restrictions imposed by GOST 380-71, GOST 977-75, GOST 1050-74, GOST 1412-79, GOST 2176-77, GOST 4543-71, GOST 5520-79, GOST 5632-72, GOST 7293-79, GOST 14959-79, GOST 20072-77).
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Hydraulic turbine steel. Grades (restrictions imposed by GOST 380-71, GOST 801-78, GOST 977-75, GOST 1050-74, GOST 2176-77, GOST 5520-79, GOST 5632-72, GOST 14959-79, GOST 19282-73, GOST 20072-74, GOST 4543-71).
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