Shock Absorber Piston
Shock absorber piston is made by powder pressing and sintering (Powder Metallurgy) technology.We will do the black steam oxidation and cover the outer diameter with PTFE film.Technical information:1. Material: MPIF 35 FC - 0205 Equivalent material: DIN 30910 - Sint C102. Chemical compositionDesignationFeCuCFC - 0205Balance1.5-3.9%0.3-0.6%3. Hardness range: HRB 40 – 100 Before black oxidation (around 50 HRB) After black oxidation (around 85 HRB)4. Density range: 6.3-6.9 g/cm³ 5. Possible tolerance for ID: 0.03 mm, for OD: 0.05 mm6. General tolerance: ISO 2768 – m7. Degree of oxidation: 2-5%, thickness 0.003-0.005 mm Fe3O4 CodeTypeD1D2D3D4D5D8NH1H2H3H4hA1D01D02D03D04D05D06D07D08DW357PT136.235.91027.524.52.561489.20.025132021.6132021.62829.6DW607PT235.73482820.52.1618785.50.025111819.21819.226.327.5DW303PT135.1351029.525.52.8814.128.7111322.82422.623.83132.2DW082-11PT130.130824201..527.9DW206-1PT130.0529.92824.521.22.46148100.021219.520.51219.520.52526DW207-1PT125.3524.9582017.51.8513.56101115.816.71115.816.721.522.5DW591PT132.1731.96824.521.22.46148100.021219.520.51219.520.52526DW523PT13029.94102.58139.513.421.823.2DW524PT13231.941038139.513.422.223.7DW522PT12524.9282810711.517.619Packing of shock absorber piston: 1. Rolled by anti-rust kraft paper, 5 or 10 pcs per roller / Plastic blister packing2. Neutral standard carton or to your choice3. Wooden boxes or pallets Process flow of shock absorber piston:Powder mixing – Pressing – Sintering – Sizing – Ultrasonic cleaning – Steam oxidation – Oil impregnation – PTFE film encapsulation – Final inspection – Packing – Storage Quality control of shock absorber piston:Work instruction paper and pictures at each working positionProcess flow card with each tray (Fully traceability)Sampling inspection and routing inspectionTS:16949 5 tools: PPAP, APQP, FMEA, SPC, MSADimensional report as per your requirement by CMM, projector, etc
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