... steel resource agent in the strategic alliance. Strong Special Steel focus on exporting special steel, tool steel, die & mold steel ... composed of senior professional manager, professionals experienced in the special steel, die & mold materials, machining sector, ... 5-30mm STAINLESS STEEL WELDED PIPEStandard: ASTM A 554Material: 201, 202, 301, 304, 316, ... Steel Stock Stainless Steel Seamless 300 Series