oilfield machinery by sand casting

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. Standard&certificate:ASTM,BS,NF,DIN,JIS and so on; ISO 9001:2000 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. We can provide OEM service for cement mill and rotary kiln casting parts,marine steel casting parts,sugar mill machinery parts with carbon steel or low alloy steel. The casting parts can be supplied as following treatment: Heat Treatment: Normalized, normalized and tempered,quench and tempered Machining: Rough machined,semi-finished machined,finished machined Quality warranty and testing equipment: Magnetic powder inspection UT nondestructive test Dye inspection Leeb hardness testing equipment Machinery performance testing equipment Metallographic microscope Direct-reading spectrometer