Kiribati single screw and barrel

Extruder barrel, screw specifications: Ø20mm ~ Ø500mm Aspect ratio: L/D = 15~55

Product Description

Extruder barrel, screw specifications: Ø20mm ~ Ø500mm
Aspect ratio: L/D = 15~55
 

Technical parameters
Hardness of tempering: HB280-320Screw straightness: 0.015mm
Nitriding hardness: HV850-1000Hardness of chromium plating on surface after nitriding ≥ 900HV
Nitriding layer depth: 0.45~0.7mmChrome coating thickness: 0.025~0.10mm
Nitriding brittleness: Grade IIDouble alloy hardness: HRC50-65td>
Surface roughness: ≤ Ra0.4Double alloy depth: 0.8~2.0mm
Materials and workmanship
High Quality 38CrMoAIA(41 CrAIMo7)SKD61(H13)
High quality duplex stainless steelGr12MoV
42CrMoHigh quality powder metallurgy material
40CrCold and hot spraying hard metal process
Zinc 3# steelCold and hot spraying hard metal process
Corrosion-resistant and wear-resistant bimetal spraying process