High-Quality Bimetallic Screw for Injection Moulding

Processing range:inner diameterф12mm-280mm,the effective length reach 8000mm   Grade- A superhard and high wearing resistance bimetallic screw: the base material is imported Sweden Km22 steel and superhard high speed steel, which is high wearing resistance, high toughness and high corrosion resistance, hardness could reach HRC59-64, allying for processing nylon plus 50%~60% glass fiber, bakelite, magnetic powder, ceramic powder, magnesium powder, iron powder, copper powder, aluminum and other special plastic, the service life of 5-8 times longer than the nitrided one.   Grade B strong corrosion resistantance bimetallic screw:take base material of improted GRC-276, GE113 ,which is strong temperature resistance and high corrosion resistance, applying for the special plastic which is high speed,high temperature and high wearing and corrosion, nylon plus 20% -40% fiber glass, halogen-free flame retardant plastic,PPE flame retardant plastic, XPS flame retardant plastic special plastics thro…