Wijaya, Sentot (2025) Pengaruh Proses Pengelasan Terhadap Kekerasan Dan Laju Korosi Pada Material Baja A36. Other thesis, Universitas Islam Riau.

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Abstract

ASTM A36 type low carbon steel is a material that is widely used as a general construction material, this is because A36 steel has high ductility so that in its use A36 steel often undergoes a welding process. This study aims to find out how welding affects the hardness, corrosion rate and microstructure of A36. The hardness testing and corrosion rate measurement methods used are the B-type rockwell method and the weight loss method. The results of the study showed that welding increased the hardness of the material. The hardness of weld metal is higher than that of base metal for all current variations. On the contrary, welding increases the rate of corrosion. The lowest corrosion rate is shown by unwelded metal, which is 0.33 mm/y and the highest corrosion rate is shown by metal welded with a current of 90 A, which is 0.602 mm/y.

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