... also production moulds for our equipment.such as elbow mandrel,elbow sizing moudls,elbow coil,tee moulds,elbow cold forming mouldspipe expanding moulds,cap moulds ... more practicalelbow sizing mouldelbow OD:1/2"----64"elbow WT:sch10--sch60process:casting,grinding,quenching and so on High-class elbow sizing moulds