318307520 steel pipe assembly XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Dedicated Steel Pipe Assembly 318307520 – Military-grade pressure bearing, ultra-durable, lifetime leak-proof!

Product Name: XCMG XE2000 Steel Pipe Assembly (Original Part Number: 318307520)

Core Parameters: Outer Diameter 85mm × Wall Thickness 12mm (Pressure Bearing Capacity Exceeds National Standard by 65%)

Aerospace-Grade Manufacturing Process:

Utilizes laser welding + cold spinning finishing technology

Weld strength reaches 99.5% of the base material

100% Industrial CT + Ultrasonic Dual Inspection

Five-fold Strengthening System:

√ Inner wall mirror electropolishing (roughness Ra0.08μm)

√ Overall vacuum heat treatment (hardness HRC42-45)

√ Outer wall nano-ceramic composite coating

√ Intelligent shock-absorbing structure

√ Pre-installed quick-sealing joint

Extreme Performance Verification:

Burst Pressure: 125MPa (3.8 times the industry standard)

Pulse Test: 12 million cycles with zero leakage

Operating Temperature: -65℃～+250℃

Performance Comparison Laboratory Data

Test Items: 318307520/Ordinary Steel Pipe
Pressure Bearing Capacity: 100MPa/32MPa
Service Life: 35000h/12000h
Vibration Resistance: Level 10/Level 4
Installation Efficiency: 85% Improved/Conventional

Key Application Scenarios

▷ Ultra-high pressure hydraulic system main pipeline

▷ Heavy-duty critical connections in mining

▷ Extreme working conditions in polar/desert regions

▷ Equipment overhaul, upgrade, and replacement

Global Engineering Witness

“Using normally at -65℃ in the Arctic mining area!”—Russian Polar Project Department

“Pressure bearing performance surpasses top European and American brands!”—Chilean Copper Group

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