318307491 steel pipe assembly XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Dedicated Steel Pipe Assembly 318307491 – Military-grade pressure bearing, ultra-durable, lifetime leak-proof!

Product Name: XCMG XE2000 Steel Pipe Assembly (Original Part Number: 318307491)

Core Parameters: Outer Diameter 76mm × Wall Thickness 10mm (Pressure bearing capacity exceeds national standard by 50%)

Aerospace-Grade Manufacturing Process:

Utilizes laser welding + cold spinning finishing technology

Weld strength reaches 99.2% of the base material

100% industrial CT non-destructive testing

Five-fold Reinforcement System:

√ Inner wall mirror electropolishing (roughness Ra0.1μm)

√ Overall vacuum heat treatment (hardness HRC40-45)

√ Outer wall nano-ceramic composite coating

√ Shock-resistant buffer structure design

√ Pre-installed quick-sealing joint

Extreme Performance Verification:

Burst Pressure: 110MPa (3 times industry standard)

Pulse Test: 8 million cycles with zero leakage

Operating Temperature: -60℃～+220℃

Performance Comparison Laboratory Data

Test Items: 318307491/Ordinary Steel Pipe
Pressure Bearing Capacity: 85MPa/28MPa
Service Life: 25000h/8000h
Vibration Resistance: Level 10/Level 4
Installation Efficiency: 75% Improved/Conventional

Key Application Scenarios

▷ Ultra-high pressure hydraulic system main pipeline

▷ Boom cylinder key connection

▷ Heavy-duty mining environment

▷ Extreme cold/high temperature conditions

Global Engineering Witness

“Used normally at -55℃ in the Siberian mining area!”—Russian Polar Project Department

“3 times longer lifespan than similar products in Europe and America!”—South American Mining Group

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36 804414171 1 HOSE ASS’Y

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