Perbandingan kualitas hasil pengelasan elektroda low hydrogen dan rutile terhadap sifat mekanis dan mikrostruktur baja AH-36 pada kondisi pengelasan di bawah permukaan air laut menggunakan metode SMAW = Comparison of the quality of low hydrogen and rutile electrodes welding to the microstructure and mechanical properties of AH-36 steel in welding conditions under the surface of sea water using the SMAW method