318307573 steel pipe assembly XCMG XE2000 excavator spare parts

XCMG XE2000 Excavator Dedicated Steel Pipe Assembly 318307573 – Military-grade pressure bearing, ultra-durable, and precisely matched!

Product Name: XCMG XE2000 Excavator Steel Pipe Assembly (Original Part Number: 318307573)

Core Parameters: Outer Diameter 76mm × Wall Thickness 8mm (Pressure Bearing Capacity Exceeds National Standard by 35%)

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 Treatment:

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

√ Overall tempering heat treatment (hardness HRC35-40)

√ Outer wall three-layer composite coating

√ Shockproof and buffer structure

√ Pre-installed quick coupling

Extreme Performance Verification:

Burst Pressure: 85MPa (2.5 times the industry standard)

Pulse Test: 3 million cycles with zero leakage

Operating Temperature: -50℃～+180℃

Performance Comparison Laboratory Data

Test Items: 318307573/Ordinary Steel Pipe
Pressure Bearing Capacity: 65MPa/25MPa
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

▷ High-Pressure Hydraulic Circuit of Slewing Mechanism

▷ Heavy-Duty Mining Environment

Global Engineering Witness

“Three years of continuous trouble-free use in African gold mines!”—China Mining Group

“More durable than similar Japanese products!”—Southeast Asia Infrastructure Project Department

Original factory steel pipes, safeguarding heavy-duty operations!

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318307573 steel pipe assembly

1 318307574 1 WELDED STEEL PIPE
2 803175012 1 ORING 80×3.55 GB/T3452.1-2005
3 805139947 4 SCREW M16×45 GB/T70.1-2008
4 329900304 8 THICKENED FLAT WASHER
5 805046465 4 BOLT M16×140 GB/T5782-2000
6 805238374 8 NUT M16 GB/T6170-2000

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