318307921 welded steel pipe XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Welded Steel Pipe (Part No. 318307921): A Reliable Framework for Heavy-Duty Transmission

In the high-intensity operations of mining engineering worldwide, the XCMG XE2000 excavator, with its 192-ton operating weight, powerful 810kW engine, and large bucket capacity of 10-14m³, has become a mainstay in heavy-duty construction. From the high-altitude hard rock mines of the Democratic Republic of Congo to the open-pit coal mines of Australia, it consistently delivers stable and efficient performance in extreme working conditions. Within its complex mechanical system, the welded steel pipe (part no. 318307921), serving as a reliable framework for hydraulic and power transmission, is a key component ensuring the equipment’s continuous output of robust performance.

I. Core Mission of Multi-System Transmission

Stable Hydraulic Power Channel: The XE2000’s hydraulic system operates at pressures up to 35MPa. During high-intensity excavation operations, the welded steel pipe (318307921) undertakes the task of transmitting high-pressure hydraulic oil between the main pump, main valve, and various actuator cylinders. Its precise pipe diameter design and smooth pipeline routing minimize hydraulic oil flow resistance, ensuring explosive force and responsiveness in excavation actions. In heavy-duty breaking operations after hard rock blasting, this steel pipe can stably withstand continuous high-pressure impacts, effectively preventing equipment downtime due to pipeline failure and ensuring the continuity of construction.

Auxiliary System Transmission Support: In addition to hydraulic transmission, this welded steel pipe also provides a transmission channel for auxiliary systems such as fuel supply and coolant circulation. In extreme temperature environments ranging from -30℃ to 50℃, its excellent high and low temperature resistance ensures normal fuel delivery at low temperatures and efficient coolant circulation at high temperatures, laying a solid foundation for stable engine operation. In the high-humidity environment of the Indonesian rainforest mining area, its excellent sealing and corrosion resistance prevent scale buildup and blockage inside the pipelines, ensuring the smooth operation of all auxiliary systems.

II. Customized Design for Heavy-Duty Operations

High-Strength Materials and Precision Welding Process: To meet the heavy-duty requirements of the XE2000, the welded steel pipe (318307921) is made of high-strength alloy steel with a tensile strength exceeding 600MPa, far exceeding the standards for ordinary engineering machinery steel pipes. The pipe joints utilize a fully automated precision welding process, with weld strength comparable to the base material. The welding quality undergoes rigorous testing to ensure no leakage risk under high pressure. After multi-layer anti-corrosion treatment, the surface can withstand over 1000 hours of salt spray testing, providing long-term resistance to rust in the high-humidity, high-salt coastal mining environment.

Optimized Layout for Overall Machine Adaptation: XCMG engineers, through 3D simulation and extensive on-site testing, tailored the layout of the welded steel pipes specifically for the XE2000. The pipeline cleverly avoids interference areas with moving parts such as the boom and slewing mechanism, and is securely installed using specialized fixed brackets, reducing wear caused by vibration and extending pipeline lifespan by over 50%. This high degree of compatibility with the overall machine structure ensures stable pipeline transmission during full-range operation, preventing malfunctions caused by bending and friction.

III. Quality and Service Guarantee under Stringent Standards

Comprehensive Extreme Performance Testing: Every batch of welded steel pipes (318307921) undergoes multiple rigorous tests before leaving the factory: a water pressure burst test at 2 times the working pressure (40 minutes without leakage), a high and low temperature cyclic impact test from -40℃ to 120℃ (600 cycles without cracking), a 1.2 million-cycle vibration fatigue test (simulating 6 years of working conditions), and a chemical corrosion resistance test (immersion in hydraulic oil and mining coolant for 250 hours without abnormalities). These stringent tests ensure the long-term reliability of the product under extreme working conditions. In the high-intensity operations of mining construction where “time is money,” the welded steel pipe (part number 318307921) for XCMG XE2000 excavators provides stable and reliable transmission support with its superior quality. Choosing this original factory-customized welded steel pipe not only reduces equipment failure rates but also extends the service life of core components, continuously creating value for mining production. Let XCMG’s original factory quality be your solid support for heavy-duty construction.

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318307881 steel pipe assembly XCMG XE2000 excavator spare parts

1 318307921 1 WELDED STEEL PIPE
2 803103345 1 CONNECTOR
3 803379383 1 CONNECTOR
4 805047567 4 SCREW M10×30 GB/T70.1-2008
5 803192477 1 ORING 30×2.65 GB/T3452.1-2005