... PRECISION CASTING 3.DN10~3500 4.ISO9001 Heat,Wear Resisting Steel Casting (exporting to JAPAN) ..........................................................................................ABOUT THIS PICTURE Material:Heat resistant steel Techonlogy:precision casting HAVE ... DN10 to DN3000 ; 2), Material: carbon steel, stainless steel and alloy steel; 3), Standard: ANSI, DIN, EN1092-1, NFE, AS, JIS ...