国产亚洲熟妇在线视频

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              2018-06-25 14:37:37

              Excavator Ripper Teeth 48-52 HRC 195-78-21331


              1. Good Alloy steel material.

              2. Wearproof and durable for the rock, hard bottom,stone.

              3.Smooth appearance with good quality.
              4.Yellow,black,green etc for option.

              5. All kinds of types and different weight for option.

              6 .Provide OEM service with large quantity.


              Material Parameter:

              Material45# Alloy steel

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                              Impact ToughnessHardness(HRC)Extension

                              Strength of extension (Mpa)

                              Yield strength (Mpa)

                              20oC ≥20J,

                              -40 oC≥14J

                              <span style="border-bottom-color: rgb(51 国产亚洲熟妇在线视频
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