Abstract The hot forming of metals is carried out by means of various laboratory tests. The behaviour of the metal depends on the precise combination of the parameters temperature-deformation-time-stress factor. The hot workability test is usually done by performing the material under the conditions where the analysis of the stress-strain relation is easily carried out. The torsion test is of frequent use for assessing hot workability of metals, and in terms of different stress factors for assessing hot workability of metals performed tensile test. The stress-strain curves are the result of mentioned laboratory test. The one of the characteristics that governs hot tensile test is formability. The article deals with hot-forming characteristics of aluminium alloy 2014 stabilized Zr. Deformation characteristics performed by hot tensile test. From hot tensile test is achieved a stress-strain relationship at constant deformation rate and temperature, that are called deformation curves. Formability is very important properties, evaluated from tensile test. This is area of plastic deformation, in which is material tested before fracture. The hot tensile tests were carried out on a computer controlled hot tensile machine at temperatures from 300 to 500°C at constant deformation rate of 0.1 mm/min. Every curve shows a rapid increase in the stress to a peak value, followed by a gradual decrease towards a steady state regime which is not reached before fracture. The value of properties slightly increasing with applied deformation temperature to maximum at 400°C and following decreased formability of investigated materials. This material behaviour is connected with fractured mechanism at elevated temperature. The highest values of mechanical properties were achieved at temperature 400°C: tensile strength Rm = 30.5 MPa, yield strength Re = 29 MPa, tensile strain A5 = 72.5 % and elongation Z = 29 %.