nitriding depth 0 5 0 8mm parallel twin screw and barrel

{"cid":"91222495","title":"SKD61 Material Parallel Twin Screw and Barrel with 4 Cooling Zones and 0.5-0.8mm Nitriding Depth for Heavy Duty Extrusion","imgUrl":"https:\/\/img.chinax.com\/nimg\/50\/d0\/b7e53861b3c776e127a0c1f41ead-200x200-1.jpg","attrs":{"Price":"USD $4500\/set~$9500\/set","Brand Name":"Jialong","Minimum Order Quantity":"1 Set","Delivery Time":"1-35 Work Days","Place Of Origin":"China","Packaging Details":"Woodern Package","Payment Terms":"TT","Supply Ability":"300 Piece\/Pieces Per Month","Screw Surface Roughness":"Ra 0.4\u03bcm-0.6\u03bcm","Nitriding Depth":"0.5-0.8mm","Screw Cooling Zones":"4","Specification":"Min 35\/77; Max: 92\/188","Screw Cooling Power":"3kw","Screw Material":"38CrMoAlA, SKD61, 42CrMo","Barrel Length":"Customized Per Requirement","Screw Cooling System":"Air Cooling, Water Cooling"}}

{"cid":"91223756","title":"38CrMoAlA Parallel Twin Screw Barrel with 0.5-0.8mm Nitriding Depth","imgUrl":"https:\/\/img.chinax.com\/nimg\/b4\/5c\/3ca76214161f22ecd88d6781ca64-200x200-1.jpg","attrs":{"Price":"1200-3000 USD\/Set","Brand Name":"ALVEN","Model Number":"PARALLEL TWIN","Minimum Order Quantity":"1 SET","Delivery Time":"30 days","Place of Origin":"ZHEJIANG ZHOUSHAN","Packaging Details":"Standard wooden box","Payment Terms":"L\/C, T\/T","Supply Ability":"100 SETS PER MONTH","Material":"38CrMoAlA, SKD61, 42CrMo, 9Cr18MoV","Nitriding Method":"Gas Nitriding Or Plasma Nitriding","Nitriding Depth":"0.5-0.8mm","Nitride Brittleness":"\u2264Level 1","Chrome Plating Thickness":"0.03mm-0.08mm","Nitride Depth":"0.5-0.8mm","Warranty":"1 Year","Bimetallic Layer Thickness":"2-4mm"}}