Concrete pump inner-hardened pipe

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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 pump pipe. Wall thickness: 4.0mm, 4.5mm, 5.0mm, 7.5mm etc. Color: according to customers' requirement 1.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 pump pipe. 2.Heat treatment process: Case hardening by high-frequency induction quenching 3.Wall thickness of the pipe: 4.00mm, 4.50mm, 7.50mm 4.Hardness: HRC58-HRC62 for inner quenching layer; HRC35-HRC40 for transition layer; HRC25-HRC30 for protective layer

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Sunny Steel Enterprise Ltd.

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