Keywords: Steels; Forgings; Pressure equipment; Condition of goods; Ferritic steels; Martensitic steels; High temperatures; Semi-finished products; Properties; Delivery; Chemical composition; Mechanical properties of materials; Heat treatment; Designations; Tensile strength; Yield strength; Thickness; Elongation at fracture; Impact strength ; Tolerances (measurement); Cast steels; Proof stress; Strength of materials; Rupture stress; Creep