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. 1. Concrete pump boom pipe or deck pipe Heat treatment process: case hardening by high-frequency induction quenching Wall thickness of the pipe: 4.00mm, 4.50mm, 7.50mm Hardness: HRC58-HRC62 for inner quenching layer; HRC35-HRC40 for transition layer; HRC25-HRC30 for protective layer Service life: 30000 cubic meters Specification Inner diameter(mm) Outer diameter (mm) Wall thickness(mm) Length (mm) The wall thickness of quenching layer(mm) Weight(kg) Working pressure Concrete pump Boom pipe 125 133 4.00 3000 1.50-1.80 48 85 bar Concrete pump Boom pipe 125 133 4.50 3000 1.50-1.80 45 85 bar Concrete pump Deck pipe 125 140 7.50 3000 2.50 85 85 bar

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Taiyuan Qilin Concrete Pump parts Inc.

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