1.extruder spare parts 2.Material:38CrMoAlA; 3.Highquality alloy layer 4,longer lifetime Tairong Machiney Spare Parts ... transmission, compounding, pressure-forming, etc.made of high tool speed W6Mo5Cr4V2, or anti-corrosion steel 38CrMoAlA by special treatment. ... SHAFT , TUBULAR FRAMEDE 38.3PADDLE , LINING , STOP BOLTSTEAM NOZZLE2) ALMEX DISK PLATE , LINER , SCREW , HEAD SCREW MIXING PIN , BUSH , SEAT ...