318307957 steel pipe assembly XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Dedicated Steel Pipe Assembly (Part No. 318307957): High-strength hydraulic channel, safeguarding power transmission in heavy-duty operations.

As the core transmission carrier of the hydraulic system of XCMG XE2000 heavy excavator, the steel pipe assembly with part number 318307957, with its excellent structural strength and adaptability, has become a key component to ensure the stable operation of the equipment in high-intensity operations such as mining and infrastructure construction.

In terms of material selection, this steel pipe assembly uses customized high-strength seamless steel pipes, with Q345B low-alloy structural steel as the base material. After quenching and tempering heat treatment, the tensile strength is increased to 510-600MPa, and the yield strength reaches over 345MPa, which is 40% stronger than ordinary steel pipes in terms of deformation resistance. Facing the high-pressure impact of the hydraulic system during XE2000 excavator operation (the maximum working pressure can reach 35MPa), the steel pipe assembly has no risk of plastic deformation or cracking, ensuring that the hydraulic oil transmission channel is always stable and unobstructed.

Addressing the complex installation space and hydraulic piping layout of excavators, this component employs a precision cold-bending forming process, controlling the bending angle error within ±0.5°. The piping path perfectly matches the XE2000 excavator’s body structure, allowing for direct installation without on-site secondary processing, significantly reducing assembly time. Simultaneously, the inner wall of the steel pipe undergoes honing treatment, achieving a roughness Ra≤0.8μm, resulting in low resistance and stable flow velocity for hydraulic oil. This prevents hydraulic valve jamming and pump wear caused by impurities or burrs on the inner wall, indirectly extending the lifespan of core hydraulic system components.

In terms of corrosion resistance, the component surface undergoes double-layer galvanizing and passivation treatment, with a zinc layer thickness exceeding 85μm. Salt spray testing lasts over 720 hours, effectively resisting corrosion from harsh environments such as damp dust in mines and muddy water from construction sites, preventing hydraulic oil contamination caused by steel pipe corrosion. Furthermore, the joints at both ends of the steel pipe are precision-machined on CNC lathes, achieving a thread accuracy of 6H. When mated with hydraulic fittings, the sealing surface achieves a 99% fit, eliminating oil leakage under high-pressure conditions.

Whether for heavy-duty excavation or long-term continuous operation, the XCMG XE2000 excavator-specific steel pipe assembly (part number 318307957) can provide a reliable power transmission channel for the hydraulic system with stable performance, helping the equipment to achieve the best operating efficiency.

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