Pengaruh waktu tahan dan siklus spheroidizing terhadap sifat mekanik dan struktur mikro baja karbon rendah JIS G 3302 Grade SGC 400 - Putra, Angga Pamilu; Department of Metallurgical Engineering, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa (Faculty of Engineering, Universitas Sultan Ageng Tirtayasa, 2020)