nitriding hardness hv 950 1100 screw and barrel assembly

{"cid":"91222495","title":"Nitrided Layer Thickness 0.5-0.8mm Single Screw Extruder Screw Barrel with HV 950-1100 Hardness and Water-cooled or Air-cooled Options","imgUrl":"https:\/\/img.chinax.com\/nimg\/2a\/11\/9ae25de7558de9954c00f5efbe52-200x200-1.jpg","attrs":{"Price":"USD $700\/set - USD $4500\/set","Brand Name":"Jialong","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Packaging Details":"Woodern Package","Supply Ability":"300 Piece\/Pieces Per Month","Payment Terms":"T\/T","Screw Diameter":"20mm-200mm","Screw Type":"Extruder Screw","Nitriding Hardness":"HV 950-1100","Coolingmethod":"Water-cooled Or Air-cooled","Barrel Hardness":"HV900-1100","Barrel Material":"38CrMOAIA","Barrel Diameter":"35mm-500mm","Surface Treatment":"Nitriding"}}