... the steel plate include Common carbon steel plate, Alloy steel plate, shipbuilding steel plate, pressure vessel steel plate, boiler steel plate, stainless steel plate etc. details ... 6-50 mm 6-32 mmGB6654-1996Pressure vessel production 6Steel plate for shipbuildingA,B,C,D A32,AH32,D32, DH32,A36 ... S165 6-60 mm ASTM Electricity station equipment 13High-strength structure steel plate Q390A/B/C/D/E Q420A/B/ ...