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PurposeTo evaluate the effect of synthesised calixarenes as new inhibitors on the corrosion of steel in HCl media at various temperatures.Design/methodology/approachCalixarenes have been synthesised and tested as corrosion inhibitors. Gravimetric technique and potentiodynamic polarisation and impedance spectroscopy methods were used.FindingsCalixarenes exhibited a good inhibition. Their efficiency decreases slightly with temperature.Research limitations/implicationsIt was found that the inhibition efficiency increases with the concentration of inhibitors to reach 92 per cent at 10−4M.Practical implicationsThe efficiency of calixarene derivatives increases with the concentration and falls slowly with temperature to attain 84 per cent at 353 K range. Calixarenes can be used in chemical cleaning and pickling processes.Originality/valueThe originality of this work is to find an inhibitor to give protection close to 100 per cent.