Twin Bimetallic Screw and Barrel 

st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman","serif";}   material Grade A   Wc-10 tungsten carbide alloy Processing range Inner diameter : φ16mm-φ450mm ,effective length to 9000mm Processing technic Centrifugal casting,alloy layer reach 1.5mm-2mm one side,maximum reach 3mm-6mm one side Alloy powder composition Wc(50%~60%),C,Si,Cr,B,Ni,Mo,Co,etc Index of hardness HRC62-65,the service life of 5-6 times longer than the nitrided one Characteristics of alloy High wearing resistance,high corrosion resistance and…