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pcs柴油潤滑性消耗包
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pcs柴油潤滑性消耗包介紹

2021-10-15

pcs柴油潤滑性消耗包介紹


HFRR標準試樣包含有100個上部試樣和100個下部試樣。上部試樣為一個直徑6mm的球體,裝入上部試樣座內,下部試樣為10mm的圓盤,裝入下部試樣座內。符合標準 ISO 12156-1、ASTM D6079、ASTM D7688和IP450《柴油標準測試法》,SH/T 0765-2005柴油潤滑性評定法(高頻往復試驗機法)。每批產品都經過多次檢驗,并附有合格證。


· This standard specimen pack comprises 100 upper and 100 lower specimens for use in the HFRR and are manufactured to comply with ISO and ASTM standards.


· Upper Specimen (Ball)


· The upper specimen is specified to grade 28 (ANSI B3.12), ANSI E-52100 steel, with a Rockwell hardness “C” scale (HRC) number of 58-66 (ISO 6508), and a surface finish of less than 0.05 μm Ra.


· Lower Specimen (Disc)


· The lower specimen is specified to AISI E-52100 steel machined from annealed rod, with Vickers hardness “HV30” scale number of 190-210 (ISO 6507/1). It is turned, lapped and polished to a surface finish of less than 0.02μm Ra.


HFRR standard specimens are sold as a pack of 100 upper and 100 lower specimens. The upper specimen is a 6mm diameter ball that is loaded into the upper specimen holder and the lower specimen is a 10mm disc that is loaded into the lower specimen holder.


pcs柴油潤滑性消耗包

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