After-sales Service: 
                            Provided
                         
                                            
                                            
                            Standard: 
                            DIN, ASTM, GOST, GB, JIS, ANSI, BS
                         
                                            
                                            
                                            
                                            
                            Product: 
                            Extruder Screw Barrel/Conical Twin Screw Barrel
                         
                                            
                            Structure Characteristics: 
                            Twin Screw Barrel
                         
                                            
                            Main Material: 
                            Tool Steel, Structural & Engineering Steel
                         
                                            
                            Base Steel: 
                            38crmoala, SKD61,SKD11,DC53
                         
                                            
                            Surface Treatment: 
                            Nitridation, Vacuum Quenching, Chrome-Plated
                         
                                            
                            Nitridation Depth: 
                            0.5-0.9mm
                         
                                            
                            HS Code for Export: 
                            847790
                         
                                            
                            Suitable Raw Materials: 
                            PP, PE, ABS,PVC,UPVC
                         
                                            
                            Key Selling Points: 
                            Long Operating Life
                         
                                            
                            Chrome Thickness: 
                            0.05-0.18mm
                         
                                            
                            Quenching Hardness: 
                            HRC58-62
                         
                                            
                            Surface Roughness: 
                            Ra 0.4
                         
                                            
                            Nitrided Brittleness: 
                            Less Than Grade II
                         
                                            
                            Screw Straightness: 
                            0.015mm/M
                         
                                            
                            Nitridation Hardness: 
                            Hv900-1050
                         
                                            
                                            
                            Transport Package: 
                            Wooden Box with Bubble Film Wrapped
                         
                                            
                            Specification: 
                            51/105 55/110 65/132 80/156 92/188 and so on