Setiawan, Ipick, AND Noer Ilman, Mochammad. " Pengaruh Post Weld Heat TreatmentTerhadap Sifat Mekanis dan Korosi Sambungan Las Spiral Saw pada Pipa Baja ASTM A252" Jurnal Energi Dan Manufaktur [Online], Volume 5 Number 1 (18 February 2013)