Bahan Biasa Digunakan Keluli tahan karat SS201 SS303 SS304 SS316 17-4PH SUS440C, dsb. Keluli Q235 20# 45#, dsb. Loyang C36000(C26800), C37700(HPb59), C38500(HP6 20N1)(HP6 20N1) , 1214, 1215, dsb. Gangsa C51000, C52100, C5400, dsb. Aluminium Al606...
Baca lagi