Galvanized steel plateStandard: AISI,Website:http://www.tytsteeltube.com, ASTM, BS, DIN, GB, JIS Steel Grade: ... ,1010,1020,1522,1524, ...ASTM A283 Gr.B,Gr.D, ...ASTM A569 Gr. A,B,C, ... ASTM A572 Gr.42,50,60,65, ...DIN ... 17100 Gr. St37-2, ...DIN 1623-2 Gr. St37-2, ...EN 10025 Gr. S185, S235JR, S235JO, S235J2, E355, S355JR ...