G Purnomo,
F Putri, S Effendi - MACHINERY Jurnal Teknologi …, 2020 - jurnal.polsri.ac.id
JIS SUP 9 Steel is a medium carbon steel with chemical content of 0,544% C, 0,238% Si,
0,820% Mn, 0, 0146% P, 0, 0030% S, 0,754% Cr, 0, 0102% Mo, 0, 00665% Ni, 0, 0390% Al …