quenched bimetal screw barrel for efficiency

{"cid":"91223756","title":"Customized Extruder Screw Barrel with Surface Roughness Ra0.4 and Quenching Hardness HRC55-62 for PP\/PE\/PET Extrusion","imgUrl":"https:\/\/img.chinax.com\/nimg\/ec\/44\/7f223eeed6b45ed58c75537b50b4-200x200-1.jpg","attrs":{"Price":"USD 1855 per set","Brand Name":"ALVEN","Model Number":"Extruder Screw Barrel","Minimum Order Quantity":"1 Set","Delivery Time":"30-35 Days","Place of Origin":"Zhoushan Zhejiang","Payment Terms":"L\/C, T\/T","Supply Ability":"50 Sets\/ Month","Packaging Details":"Standard Wooden Box","Heating zones":"3-5 Zones","Base Materials":"38CrMoAlA\/Customized","Application":"PP\/PE\/PET Extrusion Machine","Quenching Hardness":"HRC55-62","Nitriding hardness":"HV900-1000","Surface Roughness":"Ra0.4","Nitride Depth":"0.5~0.8mm","Hardness":"HRC58-62"}}

{"cid":"91188450","title":"Essential Twin Screw Barrel Operation Masterbatch Spare Parts For Construction Industries Efficient PP PPS Screw Elements","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/2a\/08a1cc14d36447e35325a57e4b1d-200x200-1.jpg","attrs":{"Price":"Negetation","Brand Name":"Bloom","Model Number":"BLM -1","Minimum Order Quantity":"10pcs","Delivery Time":"30 to 45 days","Certification":"ISO 9001","Place of Origin":"Jiangsu,China","Payment Terms":"T\/T","Supply Ability":"1000pcs per month","Packaging Details":"Packing in wooden case","Material":"W6Mo5Cr4V2;WR5;WR13 or customized","Screw Type":"Double","Product name":"Twin screw extruder screw element","Application":"Plastic industry","Surface Treatment":"Vacuum Quenching","Machine type":"Plastic wood food twin extruder machine"}}