Silicone Screw Barrel Details
Base material：38CrMoAlA(JIS SACM645)
Treatment process
Tempering, qualitative treatment
Nitriding process
Technical parameters：
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: 900-1000HV
Nitriding brittleness: <= 1
Surface roughness: Ra 0.4
Screw straightness: 0.015mm
Surface chrome plate hardness after nitriding: ≥950H
Chrome plate thickness: 0.025~0.085mm
Dual alloy depth: 3mm
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