Shock Absorber Base Valve

Shock absorber base valve is made by powder pressing and sintering (Powder Metallurgy) technology, then do black steam oxidation as per surface treatment.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 CodeTypeD1D2D3D4D5D6D7D8NH1H2H3H4H5H6H7hA1D01D02D03D04D05D06D07D08DW466BV2555053327432.56133.5860.0330DW342BV13530.816211928157.34.3430DW566BV127.523.8181922209.54.52.22DW461-1BV227.425620.81825.41311.544.41.80.2269.11617.99.714.517.92123DW463BV232.7306272128.52612.53.55.42.50.4209.51820.51118.520.525.528DW036-1BV23532525.62128261136.24.80.03308.518.219.418.82026.527.7DW600BV23330524.520.2262411.83.3540.05SR38.591819.291718.22627.2DW628BV2282852017221.5211.83.3540.05SR38.58.514.516.58.514.516.520.722.2DW084-1BV2383552420262312.23.575.2307.515.316.515.716.924.425.6DW083-13BV233305221823.62.13113740.08SR38.57.515.316.515.216.322.423.6DW098-2BV22825620.51824.51.83113.85.530.03308.515.71715.71721.422.6DW028-3BV2333052218282611.837.34.50.0330715.316.315.416.422.823.8Packing of shock absorber base valve: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 palletsProcess flow of shock absorber base valve:Powder mixing – Pressing – Sintering – Sizing – Ultrasonic cleaning – Steam oxidation – Oil impregnation – Final inspection – Packing – Storage Quality control of shock absorber base valve: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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