TRA MÁC THÉP KHÔNG RỈ TƯƠNG ĐƯƠNG
Thép Fecritic International steel designation National designations, superseded by EN EN ASTM JIS BS/UK DIN Germany NF France SS Sweden 1.4016 430 SUS 430 430S17 1.4016 Z8 C17 2320 Thép martensitic 1.4021 420 SUS 420J1 420S29 1.4021 Z20 C13 2303 1.4028 420 SUS 420J2 420S45 1.4028 Z33 C13 2304 ...