rudder blade for oil tank,shipbuilding part

Material:Carbon steel,low alloy steel:ZG20SiMn,ZG50Mn,ZG35SiMn,ZG35CrMo,ZG35SiMnMo, ZG42CrMo,ZG40Cr,ZG34CrNiMo,ZG40Mn and so on. Process:Place a pattern in sand to create a mold; Incorporate a gating system; Remove the pattern;Fill the mold cavity with molten metal; Allow the metal to cool; Break away the sand mold and remove the casting. Heat treatment. Chemical composition test,UT/MT test,mechanical property test and so on. Surface treatment and other requirement from customer. Standard&certificate:ASTM,BS,NF,DIN,JIS and so on; ISO 9001:2000;BV,CCS,DNV,NK,RINA,KR and so on. Weight:from 3 tons to 120 tons per piece Application: The products can be widely used in the area of cement mill,rotary kiln,shipbuilding, metallurgy,mine,sugar mill,powder plant,rail road,engine bed and so on.