... Detailed Product Description Product Features:1)Round and Square Size: (16-530) x (1-20) x ( ... according to your requirements.2) Our products are corrosion and high-temperature resistant.3) Main grades 304, 304L, ... : ASTM A312, ASTM A213, ASTM A269, ASTM A511 and GB/T14975-2002, GB/T14976-2002, GB13296-91, GB9948 ... making, chemical, medical equipment, aviation, boiler heat-exchanger and other fields