concrete pump spare parts
The concrete pump straight pipe is made of special alloy steel (45Mn2). The inner pipe wall is case hardened by CNC high-frequency induction hardening machine. The inner pipe wall becomes a wearable layer with high hardness. The service life of the inner-hardened concrete pump boom pipe is as 3 to 5 times as normal concrete
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concrete pump spare parts | The concrete pump straight pipe is made of special alloy steel (45Mn2). The inner pipe wall is case hardened by CNC high-frequency induction harden... |
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