318307478 steel pipe assembly XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Dedicated Steel Pipe Assembly 318307478 – Military-grade pressure bearing, ultra-durable, lifetime leak-proof!

Product Name: XCMG XE2000 Steel Pipe Assembly (Original Part Number: 318307478)

Core Parameters: Outer Diameter 72mm × Wall Thickness 9mm (Pressure Bearing Capacity Exceeds National Standard by 40%)

Aerospace-Grade Manufacturing Process:

Utilizes high-frequency welding + cold rolling finishing technology

Weld strength reaches 98% of the base material

100% X-ray non-destructive testing

Five-fold Strengthening System:

√ Inner wall electrolytic polishing (roughness Ra0.15μm)

√ Overall tempering heat treatment (hardness HRC35-40)

√ Outer wall three-layer composite protective coating

√ Shock-resistant buffer structure design

√ Pre-installed quick-sealing joint

Extreme Performance Verification:

Burst Pressure: 80MPa (2.5 times the industry standard)

Pulse Test: 4 million cycles with zero leakage

Operating Temperature: -50℃～+180℃

Performance Comparison Laboratory Data

Test Items 318307478/Ordinary Steel Pipe
Pressure Bearing Capacity: 60MPa/22MPa
Service Life: 15000h/5000h
Vibration Resistance: Level 8/Level 3
Installation Efficiency: 60% Improved/Conventional

Key Application Scenarios

▷ High-Pressure Hydraulic System Main Pipeline

▷ Boom Cylinder Key Connections

▷ Heavy-Duty Mining Environments

▷ Extreme Cold/High Temperature Conditions

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